Alert archive / California / Heat Advisories in 2021

Heat Advisory 4, NWS San Diego, CA

August 1, 2021Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this heat advisory at Aug 1, 2021, 12:50 PM PDT for Riverside County, San Bernardino County, San Diego County, California. It took effect at Aug 2, 2021, 10:00 AM PDT. It was in force for 3 days.

The area

The counties it named.

The facts

Issued
Aug 1, 2021, 12:50 PM PDT (19:50 UTC)
In effect from
Aug 2, 2021, 10:00 AM PDT
Expired
Aug 5, 2021, 8:00 PM PDT
In force
3 days
Issued by
NWS San Diego, CA

Counties Riverside County, CA, San Bernardino County, CA, San Diego County, CA

The radar

The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 19:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

San Diego, CA (KNKX), launched 12:00Z, 7.8 hours before the alert went out and 145 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, San Diego, CA at 12:00Z on 2021-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, San Diego, CA at 12:00Z on 2021-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2385 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

644 
WWUS76 KSGX 011950
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
1250 PM PDT Sun Aug 1 2021

CAZ048-020500-
/O.NEW.KSGX.HT.Y.0004.210802T1700Z-210805T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
1250 PM PDT Sun Aug 1 2021

...HEAT ADVISORY IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT
WEDNESDAY...

* WHAT...High temperatures 100 to 105.

* WHERE...The Inland Empire.

* WHEN...From 10 AM Monday to 8 PM PDT Wednesday. Hottest Monday
  and Tuesday.

* IMPACTS...Extreme heat will significantly increase the potential
  for heat related illnesses, particularly for those working or
  participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ055-056-058-020500-
/O.NEW.KSGX.HT.Y.0004.210802T1700Z-210805T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
Idyllwild-Pine Cove, Julian, and Pine Valley
1250 PM PDT Sun Aug 1 2021

...HEAT ADVISORY IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT
WEDNESDAY...

* WHAT...High temperatures 85 to 98 degrees.

* WHERE...San Bernardino County Mountains, Riverside County
  Mountains and San Diego County Mountains below 6000 feet.

* WHEN...From 10 AM Monday to 8 PM PDT Wednesday.

* IMPACTS...Extreme heat will significantly increase the potential
  for heat related illnesses, particularly for those working or
  participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ060>062-065-020500-
/O.NEW.KSGX.EH.A.0005.210803T1700Z-210805T0300Z/
Apple and Lucerne Valleys-Coachella Valley-
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Victorville, Hesperia, Apple Valley, 
Indio, Palm Springs, Cathedral City, Palm Desert, 
Palm Desert Country, La Quinta, Coachella, Borrego Springs, 
Banning, and Desert Hot Springs
1250 PM PDT Sun Aug 1 2021

...EXCESSIVE HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
WEDNESDAY EVENING...

* WHAT...For the Coachella Valley and San Diego County desert,
  highs 113 to 118. For the High Desert, high temperatures 100 to
  108. 

* WHERE...Apple and Lucerne Valleys, Coachella Valley, San Diego 
  County Deserts and San Gorgonio Pass Near Banning.

* WHEN...From Tuesday morning through Wednesday evening.

* IMPACTS...Extreme heat will significantly increase the potential
  for heat related illnesses, particularly for those working or
  participating in outdoor activities.

* ADDITIONAL DETAILS...Low temperatures between 85 and 90 are
  expected for the Coachella Valley and San Diego County desert.
  The lack of overnight heat relief can significantly increase
  heat stress for those without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Be prepared to drink plenty of fluids, stay in an air-
conditioned room, stay out of the sun, and check up on relatives
and neighbors.

Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.

&&

$$

Rodriguez

For more information from the National Weather Service 
visit http://weather.gov/sandiego
13 follow-up statements
835 
WWUS76 KSGX 020400
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
900 PM PDT Sun Aug 1 2021

CAZ048-021230-
/O.CON.KSGX.HT.Y.0004.210802T1700Z-210805T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
900 PM PDT Sun Aug 1 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT
WEDNESDAY...

* WHAT...High temperatures 100 to 105.

* WHERE...The Inland Empire.

* WHEN...From 10 AM Monday to 8 PM PDT Wednesday. Hottest Monday 
  and Tuesday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay out of the midday sun, and check up 
on relatives and neighbors. Young children and pets should never 
be left unattended in vehicles under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ055-056-058-021230-
/O.CON.KSGX.HT.Y.0004.210802T1700Z-210805T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
Idyllwild-Pine Cove, Julian, and Pine Valley
900 PM PDT Sun Aug 1 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT
WEDNESDAY...

* WHAT...High temperatures 85 to 98 degrees.

* WHERE...San Bernardino County Mountains, Riverside County 
  Mountains and San Diego County Mountains below 6000 feet.

* WHEN...From 10 AM Monday to 8 PM PDT Wednesday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay out of the midday sun, and check up 
on relatives and neighbors. Young children and pets should never 
be left unattended in vehicles under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ060>062-065-021230-
/O.CON.KSGX.EH.A.0005.210803T1700Z-210805T0300Z/
Apple and Lucerne Valleys-Coachella Valley-
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Victorville, Hesperia, Apple Valley, 
Indio, Palm Springs, Cathedral City, Palm Desert, 
Palm Desert Country, La Quinta, Coachella, Borrego Springs, 
Banning, and Desert Hot Springs
900 PM PDT Sun Aug 1 2021

...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING
THROUGH WEDNESDAY EVENING...

* WHAT...For the Coachella Valley and San Diego County desert, 
  highs 113 to 118. For the High Desert, high temperatures 100 
  to 108.

* WHERE...Apple and Lucerne Valleys, Coachella Valley, San Diego 
  County Deserts and San Gorgonio Pass Near Banning.

* WHEN...From Tuesday morning through Wednesday evening.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Low temperatures between 85 and 90 are
  expected for the Coachella Valley and San Diego County desert.
  The lack of overnight heat relief can significantly increase
  heat stress for those without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Be prepared to drink plenty of fluids, stay out of the
midday sun, and check up on relatives and neighbors.

Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego
284 
WWUS76 KSGX 021057
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
357 AM PDT Mon Aug 2 2021

CAZ048-022330-
/O.CON.KSGX.HT.Y.0004.210802T1700Z-210805T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
357 AM PDT Mon Aug 2 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM PDT WEDNESDAY...

* WHAT...High temperatures of 98 to 108 expected.

* WHERE...San Bernardino and Riverside County Valleys-The Inland 
  Empire.

* WHEN...From 10 AM this morning to 8 PM PDT Wednesday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ055-056-058-022330-
/O.CON.KSGX.HT.Y.0004.210802T1700Z-210805T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
Idyllwild-Pine Cove, Julian, and Pine Valley
357 AM PDT Mon Aug 2 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM PDT WEDNESDAY BELOW 6000 FEET...

* WHAT...High temperatures in the 90s below 6000 feet expected.

* WHERE...Riverside County Mountains, San Bernardino County 
  Mountains and San Diego County Mountains below 6000 feet.

* WHEN...From 10 AM this morning to 8 PM PDT Wednesday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ061-062-022330-
/O.CON.KSGX.EH.A.0005.210803T1700Z-210805T0300Z/
Coachella Valley-San Diego County Deserts-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
357 AM PDT Mon Aug 2 2021

...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING
THROUGH WEDNESDAY EVENING...

* WHAT...Dangerously hot conditions with high temperatures of 114
  to 120 possible.

* WHERE...San Diego County Deserts and Coachella Valley.

* WHEN...From Tuesday morning through Wednesday evening.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Low temperatures in the mid 80s to lower
  90s are expected. The lack of overnight heat relief will
  significantly increase heat stress for those without adequate
  access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Be prepared to drink plenty of fluids, stay in an air-
conditioned room, stay out of the sun, and check up on relatives
and neighbors.

Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.

&&

$$

CAZ065-022330-
/O.CON.KSGX.EH.A.0005.210803T1700Z-210805T0300Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
357 AM PDT Mon Aug 2 2021

...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING
THROUGH WEDNESDAY EVENING...

* WHAT...Dangerously hot conditions with high temperatures of 105
  to 115 possible.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...From Tuesday morning through Wednesday evening.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Be prepared to drink plenty of fluids, stay in an air-
conditioned room, stay out of the sun, and check up on relatives
and neighbors.

Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.

&&

$$

CAZ060-022330-
/O.CON.KSGX.EH.A.0005.210803T1700Z-210805T0300Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
357 AM PDT Mon Aug 2 2021

...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING
THROUGH WEDNESDAY EVENING...

* WHAT...Dangerously hot conditions with high temperatures of 102
  to 112 possible.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From Tuesday morning through Wednesday evening.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Be prepared to drink plenty of fluids, stay in an air-
conditioned room, stay out of the sun, and check up on relatives
and neighbors.

Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego

17
859 
WWUS76 KSGX 021838
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
1138 AM PDT Mon Aug 2 2021

CAZ060-030500-
/O.UPG.KSGX.EH.A.0005.210803T1700Z-210805T0300Z/
/O.NEW.KSGX.EH.W.0005.210803T1700Z-210805T0300Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
1138 AM PDT Mon Aug 2 2021

...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM
PDT WEDNESDAY...

* WHAT...Dangerously hot conditions with high temperatures 102 to
  108 expected. Warm overnight lows between 70 and 75 expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 10 AM Tuesday to 8 PM PDT Wednesday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Warm nighttime temperatures will limit heat
  relief, acting to increase heat stress for those without
  adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ065-030500-
/O.UPG.KSGX.EH.A.0005.210803T1700Z-210805T0300Z/
/O.NEW.KSGX.EH.W.0005.210803T1700Z-210805T0300Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
1138 AM PDT Mon Aug 2 2021

...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM
PDT WEDNESDAY...

* WHAT...Dangerously hot conditions with high temperatures 105 to
  115 expected. Warm overnight lows between 77 and 90 expected.

* WHERE...San Gorgonio Pass Near Banning, including North Palm
  Springs and Desert Hot Springs.

* WHEN...From 10 AM Tuesday to 8 PM PDT Wednesday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Very warm nighttime temperatures will 
  limit heat relief, acting to increase heat stress for those 
  without adequate access to cooling.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ061-062-030500-
/O.UPG.KSGX.EH.A.0005.210803T1700Z-210805T0300Z/
/O.NEW.KSGX.EH.W.0005.210803T1700Z-210805T0300Z/
Coachella Valley-San Diego County Deserts-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
1138 AM PDT Mon Aug 2 2021

...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM
PDT WEDNESDAY...

* WHAT...Dangerously hot conditions with high temperatures 115 to
  120 expected. Very warm overnight lows between 85 and 90
  expected.

* WHERE...Coachella Valley and San Diego County Deserts.

* WHEN...From 10 AM Tuesday to 8 PM PDT Wednesday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Very warm nighttime temperatures will 
  limit heat relief, acting to increase heat stress for those 
  without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ050-030500-
/O.EXA.KSGX.HT.Y.0004.000000T0000Z-210805T0300Z/
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
1138 AM PDT Mon Aug 2 2021

...HEAT ADVISORY IN EFFECT UNTIL 8 PM PDT WEDNESDAY...

* WHAT...High temperatures between 90 and 100 degrees expected.

* WHERE...San Diego County Valleys.

* WHEN...Until 8 PM PDT Wednesday. Hottest Monday and Tuesday.

* IMPACTS...Hot temperatures will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ048-030500-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210805T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
1138 AM PDT Mon Aug 2 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY...

* WHAT...High temperatures between 98 and 107 degrees expected.

* WHERE...San Bernardino and Riverside County Valleys-The Inland 
  Empire.

* WHEN...Until 8 PM PDT Wednesday.

* IMPACTS...Hot temperatures will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ055-056-058-030500-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210805T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
Idyllwild-Pine Cove, Julian, and Pine Valley
1138 AM PDT Mon Aug 2 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY...

* WHAT...High temperatures between 88 and 100 degrees.

* WHERE...Riverside County Mountains, San Bernardino County
  Mountains and San Diego County Mountains below 6000 feet.

* WHEN...Until 8 PM PDT Wednesday.

* IMPACTS...Hot temperatures will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

Rodriguez

For more information from the National Weather Service visit
http://weather.gov/sandiego
411 
WWUS76 KSGX 030406
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
906 PM PDT Mon Aug 2 2021

CAZ060-031215-
/O.CON.KSGX.EH.W.0005.210803T1700Z-210805T0300Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
906 PM PDT Mon Aug 2 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO
8 PM PDT WEDNESDAY...

* WHAT...Dangerously hot conditions with high temperatures 102 
  to 108 expected. Warm overnight lows between 70 and 75 
  expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 10 AM Tuesday to 8 PM PDT Wednesday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Warm nighttime temperatures will limit heat
  relief, acting to increase heat stress for those without
  adequate access to cooling..

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ065-031215-
/O.CON.KSGX.EH.W.0005.210803T1700Z-210805T0300Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
906 PM PDT Mon Aug 2 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO
8 PM PDT WEDNESDAY...

* WHAT...Dangerously hot conditions with high temperatures 105 
  to 115 expected. Warm overnight lows between 77 and 90 
  expected.

* WHERE...San Gorgonio Pass Near Banning, including North Palm 
  Springs and Desert Hot Springs.

* WHEN...From 10 AM Tuesday to 8 PM PDT Wednesday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Very warm nighttime temperatures will 
  limit heat relief, acting to increase heat stress for those 
  without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ061-062-031215-
/O.CON.KSGX.EH.W.0005.210803T1700Z-210805T0300Z/
Coachella Valley-San Diego County Deserts-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
906 PM PDT Mon Aug 2 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO
8 PM PDT WEDNESDAY...

* WHAT...Dangerously hot conditions with high temperatures 115 
  to 120 expected. Very warm overnight lows between 85 and 90 
  expected.

* WHERE...Coachella Valley and San Diego County Deserts.

* WHEN...From 10 AM Tuesday to 8 PM PDT Wednesday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Very warm nighttime temperatures will 
  limit heat relief, acting to increase heat stress for those 
  without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ048-031215-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210805T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
906 PM PDT Mon Aug 2 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY...

* WHAT...High temperatures between 98 and 107 degrees expected.

* WHERE...San Bernardino and Riverside County Valleys-The Inland 
  Empire.

* WHEN...Until 8 PM PDT Wednesday.

* IMPACTS...Hot temperatures will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ050-031215-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210805T0300Z/
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
906 PM PDT Mon Aug 2 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY...

* WHAT...High temperatures between 90 and 100 degrees expected.

* WHERE...San Diego County Valleys.

* WHEN...Until 8 PM PDT Wednesday. Hottest Monday and Tuesday.

* IMPACTS...Hot temperatures will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ055-056-058-031215-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210805T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
Idyllwild-Pine Cove, Julian, and Pine Valley
906 PM PDT Mon Aug 2 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY...

* WHAT...High temperatures between 88 and 100 degrees.

* WHERE...Riverside County Mountains, San Bernardino County 
  Mountains and San Diego County Mountains below 6000 feet.

* WHEN...Until 8 PM PDT Wednesday.

* IMPACTS...Hot temperatures will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego
522 
WWUS76 KSGX 030942
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
242 AM PDT Tue Aug 3 2021

CAZ060-032315-
/O.CON.KSGX.EH.W.0005.210803T1700Z-210805T0300Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
242 AM PDT Tue Aug 3 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 8 PM PDT WEDNESDAY...

* WHAT...Dangerously hot conditions with high temperatures of 102
  to 112 expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 10 AM this morning to 8 PM PDT Wednesday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Warm nighttime temperatures will limit heat
  relief, acting to increase heat stress for those without
  adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ065-032315-
/O.CON.KSGX.EH.W.0005.210803T1700Z-210805T0300Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
242 AM PDT Tue Aug 3 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 8 PM PDT WEDNESDAY...

* WHAT...Dangerously hot conditions with high temperatures of 108
  to 118 expected.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...From 10 AM this morning to 8 PM PDT Wednesday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Very warm nighttime temperatures will 
  limit heat relief, acting to increase heat stress for those 
  without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ061-062-032315-
/O.CON.KSGX.EH.W.0005.210803T1700Z-210805T0300Z/
Coachella Valley-San Diego County Deserts-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
242 AM PDT Tue Aug 3 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 8 PM PDT WEDNESDAY...

* WHAT...Dangerously hot conditions with high temperatures of 114
  to 122 expected.

* WHERE...San Diego County Deserts and Coachella Valley.

* WHEN...From 10 AM this morning to 8 PM PDT Wednesday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Very warm nighttime temperatures will 
  limit heat relief, acting to increase heat stress for those 
  without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ048-032315-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210805T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
242 AM PDT Tue Aug 3 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY...

* WHAT...High temperatures of 100 to 110 expected.

* WHERE...San Bernardino and Riverside County Valleys-The Inland 
  Empire.

* WHEN...Until 8 PM PDT Wednesday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ050-032315-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210805T0300Z/
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
242 AM PDT Tue Aug 3 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY...

* WHAT...High temperatures in the inland valleys of 95 to 105
  expected.

* WHERE...San Diego County Valleys.

* WHEN...Until 8 PM PDT Wednesday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ055-056-058-032315-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210805T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
Idyllwild-Pine Cove, Julian, and Pine Valley
242 AM PDT Tue Aug 3 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY BELOW
6000 FEET...

* WHAT...High temperatures in the mid 90s to 105 below 6000 feet
  expected.

* WHERE...Riverside County Mountains, San Bernardino County
  Mountains and San Diego County Mountains below 6000 feet.

* WHEN...Until 8 PM PDT Wednesday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego

17
957 
WWUS76 KSGX 032004
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
104 PM PDT Tue Aug 3 2021

CAZ060-040415-
/O.EXT.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
104 PM PDT Tue Aug 3 2021

...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Dangerously hot conditions with high temperatures of 105
  to 110 expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Warm nighttime temperatures will limit heat
  relief, acting to increase heat stress for those without
  adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ065-040415-
/O.EXT.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
104 PM PDT Tue Aug 3 2021

...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Dangerously hot conditions with high temperatures of 108
  to 118 expected.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Very warm nighttime temperatures will 
  limit heat relief, acting to increase heat stress for those 
  without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ061-062-040415-
/O.EXT.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Coachella Valley-San Diego County Deserts-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
104 PM PDT Tue Aug 3 2021

...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Dangerously hot conditions with temperatures of 115 to
  122 expected.

* WHERE...San Diego County Deserts and Coachella Valley.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Very warm nighttime temperatures will 
  limit heat relief, acting to increase heat stress for those 
  without adequate access to cooling..

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ048-040415-
/O.EXT.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
104 PM PDT Tue Aug 3 2021

...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Temperatures of 100 to 110 expected.

* WHERE...San Bernardino and Riverside County Valleys-The Inland 
  Empire.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ050-040415-
/O.EXT.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
104 PM PDT Tue Aug 3 2021

...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...High temperatures in the inland valleys of 95 to 105
  expected.

* WHERE...San Diego County Valleys.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ055-056-058-040415-
/O.EXT.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
Idyllwild-Pine Cove, Julian, and Pine Valley
104 PM PDT Tue Aug 3 2021

...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...High temperatures in the mid-90s to 105 below 6000 feet
  expected. 

* WHERE...Riverside County Mountains, San Bernardino County
  Mountains and San Diego County Mountains below 6000 feet.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego

CO
472 
WWUS76 KSGX 040432
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
932 PM PDT Tue Aug 3 2021

CAZ060-041245-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
932 PM PDT Tue Aug 3 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with high temperatures of 
  105 to 110 expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Warm nighttime temperatures will limit heat
  relief, acting to increase heat stress for those without
  adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ065-041245-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
932 PM PDT Tue Aug 3 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with high temperatures of 
  108 to 118 expected.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Very warm nighttime temperatures will 
  limit heat relief, acting to increase heat stress for those 
  without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ061-062-041245-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Coachella Valley-San Diego County Deserts-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
932 PM PDT Tue Aug 3 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with temperatures of 115 to 
  122 expected.

* WHERE...San Diego County Deserts and Coachella Valley.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Very warm nighttime temperatures will 
  limit heat relief, acting to increase heat stress for those 
  without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ048-041245-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
932 PM PDT Tue Aug 3 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Temperatures of 100 to 110 expected.

* WHERE...San Bernardino and Riverside County Valleys-The Inland 
  Empire.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ050-041245-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
932 PM PDT Tue Aug 3 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...High temperatures in the inland valleys of 95 to 105 
  expected.

* WHERE...San Diego County Valleys.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ055-056-058-041245-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
Idyllwild-Pine Cove, Julian, and Pine Valley
932 PM PDT Tue Aug 3 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...High temperatures in the mid-90s to 105 below 6000 feet 
  expected.

* WHERE...Riverside County Mountains, San Bernardino County 
  Mountains and San Diego County Mountains below 6000 feet.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego
693 
WWUS76 KSGX 041030
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
330 AM PDT Wed Aug 4 2021

CAZ060-042300-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
330 AM PDT Wed Aug 4 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with high temperatures of 104
  to 114 expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Warm nighttime temperatures will limit heat
  relief, acting to increase heat stress for those without
  adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ065-042300-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
330 AM PDT Wed Aug 4 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with high temperatures of 106
  to 116 expected.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Very warm nighttime temperatures will 
  limit heat relief, acting to increase heat stress for those 
  without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ061-062-042300-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Coachella Valley-San Diego County Deserts-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
330 AM PDT Wed Aug 4 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with high temperatures of 114
  to 122 expected.

* WHERE...San Diego County Deserts and Coachella Valley.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Very warm nighttime temperatures will 
  limit heat relief, acting to increase heat stress for those 
  without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ048-042300-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
330 AM PDT Wed Aug 4 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...High temperatures of 98 to 108 expected.

* WHERE...San Bernardino and Riverside County Valleys-The Inland 
  Empire.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ050-042300-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
330 AM PDT Wed Aug 4 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...High temperatures of 95 to 104 for the inland valleys
  expected.

* WHERE...San Diego County Valleys.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ055-056-058-042300-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
Idyllwild-Pine Cove, Julian, and Pine Valley
330 AM PDT Wed Aug 4 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY BELOW
6000 FEET...

* WHAT...High temperatures of 95 to 104 below 6000 feet expected.

* WHERE...Riverside County Mountains, San Bernardino County 
  Mountains and San Diego County Mountains.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego

17
244 
WWUS76 KSGX 042009
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
109 PM PDT Wed Aug 4 2021

CAZ060-050500-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
109 PM PDT Wed Aug 4 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with temperatures up to 108.

* WHERE...Apple and Lucerne Valleys.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the potential
  for heat related illnesses, particularly for those working or
  participating in outdoor activities. Warm nighttime temperatures
  will limit heat relief, acting to increase heat stress for those
  without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ065-050500-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
109 PM PDT Wed Aug 4 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with temperatures up to 114.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the potential
  for heat related illnesses, particularly for those working or
  participating in outdoor activities. Warm nighttime 
  temperatures will limit heat relief, acting to increase heat 
  stress for those without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ061-062-050500-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Coachella Valley-San Diego County Deserts-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
109 PM PDT Wed Aug 4 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with temperatures up to 118.

* WHERE...San Diego County Deserts and Coachella Valley.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the potential
  for heat related illnesses, particularly for those working or
  participating in outdoor activities. Warm nighttime temperatures
  will limit heat relief, acting to increase heat stress for those
  without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ048-050500-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
109 PM PDT Wed Aug 4 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Temperatures up to 105.

* WHERE...San Bernardino and Riverside County Valleys-The Inland 
  Empire.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ050-050500-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Diego County Valleys-
109 PM PDT Wed Aug 4 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Temperatures up to 100.

* WHERE...Eastern valleys of San Diego.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ055-056-058-050500-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
Idyllwild-Pine Cove, Julian, and Pine Valley
109 PM PDT Wed Aug 4 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Temperatures up to 99.

* WHERE...Riverside County Mountains, San Bernardino County
  Mountains and San Diego County Mountains below 6,000 feet
  elevation.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego
619 
WWUS76 KSGX 050337
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
837 PM PDT Wed Aug 4 2021

CAZ060-051145-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
837 PM PDT Wed Aug 4 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with temperatures up to 108.

* WHERE...Apple and Lucerne Valleys.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities. Warm nighttime 
  temperatures will limit heat relief, acting to increase heat 
  stress for those without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ065-051145-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
837 PM PDT Wed Aug 4 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with temperatures up to 114.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities. Warm nighttime 
  temperatures will limit heat relief, acting to increase heat 
  stress for those without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ061-062-051145-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Coachella Valley-San Diego County Deserts-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
837 PM PDT Wed Aug 4 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with temperatures up to 118.

* WHERE...San Diego County Deserts and Coachella Valley.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities. Warm nighttime 
  temperatures will limit heat relief, acting to increase heat 
  stress for those without adequate access to cooling.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ048-051145-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
837 PM PDT Wed Aug 4 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Temperatures up to 105.

* WHERE...San Bernardino and Riverside County Valleys-The Inland 
  Empire.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ050-051145-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Diego County Valleys-
837 PM PDT Wed Aug 4 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Temperatures up to 100.

* WHERE...Eastern valleys of San Diego.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ055-056-058-051145-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
Idyllwild-Pine Cove, Julian, and Pine Valley
837 PM PDT Wed Aug 4 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Temperatures up to 99.

* WHERE...Riverside County Mountains, San Bernardino County 
  Mountains and San Diego County Mountains below 6,000 feet 
  elevation.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego
599 
WWUS76 KSGX 050901
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
201 AM PDT Thu Aug 5 2021

CAZ060-060300-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
201 AM PDT Thu Aug 5 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

* WHAT...Dangerously hot conditions with high temperatures of 100
  to 110 expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ065-060300-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
201 AM PDT Thu Aug 5 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

* WHAT...Dangerously hot conditions with high temperatures of 104
  to 114 expected.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ061-062-060300-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Coachella Valley-San Diego County Deserts-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
201 AM PDT Thu Aug 5 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

* WHAT...Dangerously hot conditions with high temperatures of 114
  to 120 expected.

* WHERE...San Diego County Deserts and Coachella Valley.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ048-060300-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
201 AM PDT Thu Aug 5 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...High temperatures of 98 to 106 expected.

* WHERE...San Bernardino and Riverside County Valleys-The Inland 
  Empire.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ050-060300-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Diego County Valleys-
201 AM PDT Thu Aug 5 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...High temperatures of 95 to 102 in the inland valleys
  expected.

* WHERE...San Diego County Valleys.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ055-056-058-060300-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
Idyllwild-Pine Cove, Julian, and Pine Valley
201 AM PDT Thu Aug 5 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
BELOW 6000 FEET...

* WHAT...High temperatures in the 90s to 104 below 6000 feet
  expected.

* WHERE...Riverside County Mountains, San Bernardino County 
  Mountains and San Diego County Mountains.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego

17
859 
WWUS76 KSGX 052048
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
148 PM PDT Thu Aug 5 2021

CAZ060-060300-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
148 PM PDT Thu Aug 5 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

* WHAT...Dangerously hot conditions with temperatures up to 106.

* WHERE...Apple and Lucerne Valleys.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ065-060300-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
148 PM PDT Thu Aug 5 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

* WHAT...Dangerously hot conditions with temperatures up to 111.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ061-062-060300-
/O.CON.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Coachella Valley-San Diego County Deserts-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
148 PM PDT Thu Aug 5 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

* WHAT...Dangerously hot conditions with temperatures up to 114.

* WHERE...San Diego County Deserts and Coachella Valley.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Extreme heat will significantly increase the 
  potential for heat related illnesses, particularly for those 
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ048-060300-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
148 PM PDT Thu Aug 5 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...Temperatures up to 101.

* WHERE...San Bernardino and Riverside County Valleys-The Inland 
  Empire.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ050-060300-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Diego County Valleys-
148 PM PDT Thu Aug 5 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...Temperatures up to 94.

* WHERE...San Diego County Valleys.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ055-056-058-060300-
/O.CON.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
Idyllwild-Pine Cove, Julian, and Pine Valley
148 PM PDT Thu Aug 5 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...Temperatures up to 99.

* WHERE...Riverside County Mountains, San Bernardino County 
  Mountains and San Diego County Mountains.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Hot temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego
055 
WWUS76 KSGX 060249
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
749 PM PDT Thu Aug 5 2021

CAZ060-060400-
/O.EXP.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
749 PM PDT Thu Aug 5 2021

...EXCESSIVE HEAT WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING...

Temperatures will not be quite as high on Friday and Saturday. 
Therefore the Excessive Heat Warning will be allowed to expire 
this evening.

$$

CAZ065-060400-
/O.EXP.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
749 PM PDT Thu Aug 5 2021

...EXCESSIVE HEAT WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING...

Temperatures will not be quite as high on Friday and Saturday. 
Therefore the Excessive Heat Warning will be allowed to expire 
this evening.

$$

CAZ061-062-060400-
/O.EXP.KSGX.EH.W.0005.000000T0000Z-210806T0300Z/
Coachella Valley-San Diego County Deserts-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
749 PM PDT Thu Aug 5 2021

...EXCESSIVE HEAT WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING...

Temperatures will not be quite as high on Friday and Saturday. 
Therefore the Excessive Heat Warning will be allowed to expire 
this evening.

$$

CAZ048-060400-
/O.EXP.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
749 PM PDT Thu Aug 5 2021

...HEAT ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING...

Temperatures will not be quite as high on Friday and Saturday. 
Therefore the Heat Advisory will be allowed to expire this 
evening.

$$

CAZ050-060400-
/O.EXP.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Diego County Valleys-
749 PM PDT Thu Aug 5 2021

...HEAT ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING...

Temperatures will not be quite as high on Friday and Saturday. 
Therefore the Heat Advisory will be allowed to expire this 
evening.

$$

CAZ055-056-058-060400-
/O.EXP.KSGX.HT.Y.0004.000000T0000Z-210806T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
Idyllwild-Pine Cove, Julian, and Pine Valley
749 PM PDT Thu Aug 5 2021

...HEAT ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING...

Temperatures will not be quite as high on Friday and Saturday. 
Therefore the Heat Advisory will be allowed to expire this 
evening.

$$

Moede

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Diego, CA wrote its last area forecast discussion before this heat advisory went out at Aug 1, 9:10 AM PDT, 3 hours 40 minutes earlier.

Area forecast discussion, Aug 1, 9:10 AM PDT, 3 hours 40 minutes before
Area Forecast Discussion
National Weather Service San Diego CA
910 AM PDT Sun Aug 1 2021

.SYNOPSIS...
Building high pressure will lead to rising temperatures and a
shrinking marine layer through the middle of the week, with
coastal low clouds becoming less likely the next few nights. Heat
will peak Tuesday and Wednesday, before gradually cooling later
on. No monsoon activity is expected this week.

&&

.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...

MORNING UPDATE...

Low clouds once again straddled coastal San Diego County this
morning, producing patchy dense fog across the coastal mesas and
some of the lower elevations. These have cleared quickly over
land, with just a few lingering clouds along the beaches as of 9
AM. The 12Z sounding depicts much drier conditions relative to
yesterday, with a PWAT value of just 0.65". This lack of moisture
will prevent thunderstorms from developing today, though some
spotty cumulus can still be expected over the mountains. High
pressure will continue its westward expansion over the next few
days, raising temperatures and limiting marine layer clouds.

PREVIOUS DISCUSSION...

At 2 AM, patchy low clouds are present off the coast of San Diego
County, while skies remained clear elsewhere. Low clouds will
continue to develop this morning, spreading up to 10 miles inland.
Some patchy dense fog is possible this morning, mainly on higher
coastal terrain, with visibility less than 1/4 mile possible.
Clouds and fog will clear mid morning.

An upper level trough off the coast will continue to push the
monsoon moisture east today, shutting down our thunderstorm
chances for the foreseeable future. Drying is already evident from
the 00Z NKX sounding, with precipitable water values dropping to
under an inch. With continued drying expected today, no
thunderstorms are in the forecast this afternoon. However, there
may be a few cumulus clouds over the mountains.

High pressure will build into the Southwest through the middle of
next week, bringing warmer temperatures to inland areas.
Temperatures look to peak Tuesday and Wednesday, with highs of
112-116 for the lower deserts, 100-104 for the Inland Empire and
High Desert, and upper 80s to mid 90s for the San Diego valleys
and inland Orange County.

The already shallow marine layer will be further compressed as
heights rise this week. Coastal areas may see some patchy clouds
and fog each night and morning, but widespread coverage of low
clouds is not expected until later on in the week. With limited
marine layer clouds and fog, high temperatures along the coast
will warm a few degrees.

Monsoonal moisture looks unlikely for at least the next week, as
the position of the high pressure center keeps the moisture well
to the east of SoCal. Ensembles show the high pressure weakening
sometime late next week, with a trough developing over the West.
This would help to rebuild the marine layer and bring cooler
weather to the region.

&&

.AVIATION...
011615Z...Coast/Valleys...Patchy low clouds and fog will be
restricted to the beaches the rest of today with local BKN-OVC cigs
around 500 feet with local vis below 3 miles. Otherwise, clear skies
with unrestricted vis will prevail through early this evening. Only
patchy low clouds and fog is expected late tonight with onset
between 03Z and 08Z Mon and extending up to 5-10 miles inland,
mainly in San Diego County, by 12Z Mon. Bases will be 300-600 ft MSL
with tops to 700 ft MSL and local vis below 3 miles in fog. Clearing
will likely occur by 16Z Mon in most locations.

Mountains/Deserts...Mostly clear with unrestricted vis through
Monday morning.

&&

.MARINE...
Patchy dense fog is possible again late tonight and early Monday
morning with visbility less than 1 NM. Wind gusts approaching
20 knots are possible in the outer waters each afternoon through
Wednesday. Otherwise, no hazardous marine conditions are expected
through Friday.

&&

.BEACHES...
A couple of moderate-period south swells (2-3 feet, mostly around 15
seconds) will bring some elevated surf and high rip currents to the
more southerly-facing beaches, especially in Orange County, Monday
through Wednesday. Maximum surf will likely be 5-6 feet.

&&

.SKYWARN...
Skywarn activation is not requested. However weather spotters are
encouraged to report significant weather conditions.

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...NONE.
PZ...NONE.

&&

SYNOPSIS/MORNING UPDATE...Rodriguez
PREVIOUS DISCUSSION...Connolly
AVIATION/MARINE/BEACHES...Maxwell

In the hours before

Local storm report, Aug 1, 9:54 AM PDT, 2 hours 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
954 AM PDT SUN AUG 1 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0256 AM     DENSE FOG        IMPERIAL BEACH          32.56N 117.11W
08/01/2021                   SAN DIEGO          CA   OTHER FEDERAL

            MULTIPLE REPORTS (NOT CONTINUOUS) OF
            VISIBILITY OF 1/4 MILE BETWEEN 256 AM AND
            656 AM AT KNRS. SUM OF TIME PERIODS OF 1/4
            MILE VISIBILITY WAS 2 HOURS 16 MINUTES.

0344 AM     DENSE FOG        3 SE CARLSBAD           33.13N 117.28W
08/01/2021                   SAN DIEGO          CA   OFFICIAL NWS OBS

            ASOS VISIBILITY OF 1/4 MILE OCCURRED AT
            TIMES BETWEEN 344 AM AND 741 AM AT KCRQ,
            WITH A TOTAL DURATION OF 1 HOUR AND 30
            MINUTES. LOWEST RVR VISIBILITY WAS 800 FEET
            AT 653 AM.

0405 AM     DENSE FOG        4 ENE SAN YSIDRO        32.57N 116.98W
08/01/2021                   SAN DIEGO          CA   OFFICIAL NWS OBS

            LOWEST VISIBILITY LESS THAN 1/4 MILE ON ASOS
            AT KSDM. VISIBILITY OF 1/4 MILE OR LESS
            OCCURRED CONTINUOUSLY FROM 338 AM UNTIL 805
            AM.

0507 AM     DENSE FOG        8 SW POWAY              32.87N 117.13W
08/01/2021                   SAN DIEGO          CA   OTHER FEDERAL

            VISIBILITY OF 1/4 MILE OCCURRED FROM 507 AM
            UNTIL 732 AM AT KNKX EXCEPT FOR 2 BRIEF
            BREAKS (555 AM-603 AM AND 655 AM-702 AM).
            TOTAL DURATION WAS 2 HOURS 10 MINUTES.

0530 AM     DENSE FOG        7 ESE DEL MAR           32.92N 117.16W
08/01/2021                   SAN DIEGO          CA   NWS EMPLOYEE

            VISIBILITY 1/8 MILE IN WESTERN MIRA MESA.

0540 AM     DENSE FOG        7 ENE MISSION BEACH     32.81N 117.14W
08/01/2021                   SAN DIEGO          CA   OFFICIAL NWS OBS

            VISIBILITY OF 1/4 MILE AT KMYF OCCURRED AT
            TIMES BETWEEN 540 AM AND 736 AM (WITH A 7
            MINUTE BREAK FROM 605 TO 612 AM). TOTAL
            DURATION WAS 1 HOUR 49 MINUTES.

&&
Local storm report, Aug 1, 10:18 AM PDT, 2 hours 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
1018 AM PDT SUN AUG 1 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 AM     DENSE FOG        1 NNW SOLANA BEACH      32.99N 117.27W
08/01/2021                   SAN DIEGO          CA   LAW ENFORCEMENT

            LIFEGUARD DISPATCH AT SOLANA BEACH REPORTED
            1/16 MILE (100 YARD) VISIBILITY.

1000 AM     DENSE FOG        1 WSW SAN CLEMENTE      33.42N 117.62W
08/01/2021                   ORANGE             CA   LAW ENFORCEMENT

            LIFEGUARD DISPATCH AT SAN CLEMENTE PIER
            REPORTED VISIBILITY OF ZERO.

&&

The office that day

Everything else NWS San Diego, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 31, 5:50 PM PDTAreal Flood AdvisorySGXRiverside, San Diego2 hr
Aug 1, 12:50 PM PDTExcessive Heat WatchSGXRiverside, San Bernardino, San Diego23 hr

Nearby

Heat Advisories in California, 2021Every heat advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.