Alert archive / California / Heat Advisories in 2021

Heat Advisory 2, NWS San Diego, CA

June 25, 2021Riverside County, San Bernardino County, California

NWS San Diego, CA issued this heat advisory at Jun 25, 2021, 1:05 PM PDT for Riverside County, San Bernardino County, California. It took effect at Jun 27, 2021, 10:00 AM PDT. It was in force for 35 hr.

The area

The counties it named.

The facts

Issued
Jun 25, 2021, 1:05 PM PDT (20:05 UTC)
In effect from
Jun 27, 2021, 10:00 AM PDT
Expired
Jun 28, 2021, 9:00 PM PDT
In force
35 hr
Issued by
NWS San Diego, CA

Counties Riverside County, CA, San Bernardino County, CA

The radar

The Santa Ana Mts radar (KSOX), 152 km from the middle of the area, began a volume at 20:07 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, 8.1 hours before the alert went out and 195 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 2021-06-25Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, San Diego, CA at 12:00Z on 2021-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 square meters per square second.19395878Sfc1 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
1107 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

667 
WWUS76 KSGX 252005
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
105 PM PDT Fri Jun 25 2021

CAZ060-260500-
/O.UPG.KSGX.EH.A.0002.210627T1700Z-210629T0500Z/
/O.NEW.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
105 PM PDT Fri Jun 25 2021

...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM SUNDAY TO 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 109 
  expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat
  stress.

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.

&&

$$

CAZ061-062-260500-
/O.UPG.KSGX.EH.A.0002.210627T1700Z-210629T0500Z/
/O.NEW.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
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
105 PM PDT Fri Jun 25 2021

...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM SUNDAY TO 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 116 
  expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat
  stress.

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.

&&

$$

CAZ065-260500-
/O.UPG.KSGX.EH.A.0002.210627T1700Z-210629T0500Z/
/O.NEW.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
105 PM PDT Fri Jun 25 2021

...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM SUNDAY TO 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 112 
  expected.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat
  stress.

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.

&&

$$

CAZ058-260500-
/O.UPG.KSGX.EH.A.0002.210627T1700Z-210629T0500Z/
/O.NEW.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Diego County Mountains-
Including the cities of Julian and Pine Valley
105 PM PDT Fri Jun 25 2021

...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM SUNDAY TO 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 100 
  expected.

* WHERE...San Diego County Mountains.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat
  stress.

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.

&&

$$

CAZ055-056-260500-
/O.UPG.KSGX.EH.A.0002.210627T1700Z-210629T0500Z/
/O.NEW.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Bernardino County Mountains-Riverside County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
and Idyllwild-Pine Cove
105 PM PDT Fri Jun 25 2021

...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM SUNDAY TO 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 100 
  expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat
  stress.

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.

&&

$$

CAZ048-260500-
/O.UPG.KSGX.EH.A.0002.210627T1700Z-210629T0500Z/
/O.NEW.KSGX.HT.Y.0002.210627T1700Z-210629T0400Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
105 PM PDT Fri Jun 25 2021

...HEAT ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 9 PM PDT MONDAY...

* WHAT...Temperatures up to 104 expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat
  stress.

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.

&&

$$
9 follow-up statements
756 
WWUS76 KSGX 260448
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
948 PM PDT Fri Jun 25 2021

CAZ060-261300-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
948 PM PDT Fri Jun 25 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 109 
  expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ061-062-261300-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
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
948 PM PDT Fri Jun 25 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 117 
  expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ065-261300-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
948 PM PDT Fri Jun 25 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 112 
  expected.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ058-261300-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Diego County Mountains-
Including the cities of Julian and Pine Valley
948 PM PDT Fri Jun 25 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 100 
  expected.

* WHERE...San Diego County Mountains.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ055-056-261300-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Bernardino County Mountains-Riverside County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
and Idyllwild-Pine Cove
948 PM PDT Fri Jun 25 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 100 
  expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ048-261300-
/O.CON.KSGX.HT.Y.0002.210627T1700Z-210629T0400Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
948 PM PDT Fri Jun 25 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM SUNDAY TO 9 PM PDT
MONDAY...

* WHAT...Temperatures up to 106 expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

Maxwell
999 
WWUS76 KSGX 261213
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
513 AM PDT Sat Jun 26 2021

CAZ060-262100-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
513 AM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 109 
  expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ061-062-262100-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
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
513 AM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 117 
  expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ065-262100-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
513 AM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 112 
  expected.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ058-262100-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Diego County Mountains-
Including the cities of Julian and Pine Valley
513 AM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 100 
  expected.

* WHERE...San Diego County Mountains.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ055-056-262100-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Bernardino County Mountains-Riverside County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
and Idyllwild-Pine Cove
513 AM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 100 
  expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ048-262100-
/O.CON.KSGX.HT.Y.0002.210627T1700Z-210629T0400Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
513 AM PDT Sat Jun 26 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM SUNDAY TO 9 PM PDT
MONDAY...

* WHAT...Temperatures up to 106 expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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

jmb
143 
WWUS76 KSGX 261952
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
1252 PM PDT Sat Jun 26 2021

CAZ060-270500-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
1252 PM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 109 
  expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ061-062-270500-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
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
1252 PM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 117 
  expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ065-270500-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
1252 PM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 112 
  expected.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ058-270500-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Diego County Mountains-
Including the cities of Julian and Pine Valley
1252 PM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 100 
  expected.

* WHERE...San Diego County Mountains.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ055-056-270500-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Bernardino County Mountains-Riverside County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
and Idyllwild-Pine Cove
1252 PM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 100 
  expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ048-270500-
/O.CON.KSGX.HT.Y.0002.210627T1700Z-210629T0400Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
1252 PM PDT Sat Jun 26 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM SUNDAY TO 9 PM PDT
MONDAY...

* WHAT...Temperatures up to 106 expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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
235 
WWUS76 KSGX 270351
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
851 PM PDT Sat Jun 26 2021

CAZ060-271300-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
851 PM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 109 
  expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ061-062-271300-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
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
851 PM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 117 
  expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ065-271300-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
851 PM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 112 
  expected.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ058-271300-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Diego County Mountains-
Including the cities of Julian and Pine Valley
851 PM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 100 
  expected.

* WHERE...San Diego County Mountains.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ055-056-271300-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Bernardino County Mountains-Riverside County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
and Idyllwild-Pine Cove
851 PM PDT Sat Jun 26 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SUNDAY TO
9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 100 
  expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ048-271300-
/O.CON.KSGX.HT.Y.0002.210627T1700Z-210629T0400Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
851 PM PDT Sat Jun 26 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM SUNDAY TO 9 PM PDT
MONDAY...

* WHAT...Temperatures up to 106 expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

* IMPACTS...There will be an increasing potential for heat 
  related illnesses, particularly for those working or 
  participating in outdoor activities.

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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
145 
WWUS76 KSGX 271236
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
536 AM PDT Sun Jun 27 2021

CAZ060-272100-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
536 AM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 109 
  expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ061-062-272100-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
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
536 AM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 120 
  expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ065-272100-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
536 AM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 112 
  expected.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ058-272100-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Diego County Mountains-
Including the cities of Julian and Pine Valley
536 AM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 103 
  expected.

* WHERE...San Diego County Mountains.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ055-056-272100-
/O.CON.KSGX.EH.W.0003.210627T1700Z-210629T0400Z/
San Bernardino County Mountains-Riverside County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
and Idyllwild-Pine Cove
536 AM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 9 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 100 
  expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ048-272100-
/O.CON.KSGX.HT.Y.0002.210627T1700Z-210629T0400Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
536 AM PDT Sun Jun 27 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
9 PM PDT MONDAY...

* WHAT...Temperatures up to 110 expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

* IMPACTS...There will be an increasing potential for heat 
  related illnesses, particularly for those working or 
  participating in outdoor activities.

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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

jmb
768 
WWUS76 KSGX 272104
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
204 PM PDT Sun Jun 27 2021

CAZ060-280500-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
204 PM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 109 
  expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat
  stress.

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.

&&

$$

CAZ061-062-280500-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
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
204 PM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 120 
  expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat
  stress.

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.

&&

$$

CAZ065-280500-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
204 PM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 112 
  expected.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat
  stress.

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.

&&

$$

CAZ058-280500-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
San Diego County Mountains-
Including the cities of Julian and Pine Valley
204 PM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 103 
  expected.

* WHERE...San Diego County Mountains.

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat
  stress.

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.

&&

$$

CAZ055-056-280500-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
San Bernardino County Mountains-Riverside County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
and Idyllwild-Pine Cove
204 PM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 100 
  expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat
  stress.

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.

&&

$$

CAZ048-280500-
/O.CON.KSGX.HT.Y.0002.000000T0000Z-210629T0400Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
204 PM PDT Sun Jun 27 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT MONDAY...

* WHAT...Temperatures up to 110 expected.

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

* WHEN...From 10 AM Sunday to 9 PM PDT Monday.

* IMPACTS...There will be an increasing potential for heat 
  related illnesses, particularly for those working or 
  participating in outdoor activities.

* ADDITIONAL DETAILS...Warm nights will contribute to the heat
  stress.

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
483 
WWUS76 KSGX 280433
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
933 PM PDT Sun Jun 27 2021

CAZ060-281245-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
933 PM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 109 
  expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...Through 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ061-062-281245-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
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
933 PM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 120 
  expected.

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

* WHEN...Through 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ065-281245-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
933 PM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 112 
  expected.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...Through 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ058-281245-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
San Diego County Mountains-
Including the cities of Julian and Pine Valley
933 PM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 103 
  expected.

* WHERE...San Diego County Mountains.

* WHEN...Through 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ055-056-281245-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
San Bernardino County Mountains-Riverside County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
and Idyllwild-Pine Cove
933 PM PDT Sun Jun 27 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
MONDAY...

* WHAT...Dangerously hot conditions with temperatures up to 100 
  expected.

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

* WHEN...Through 9 PM PDT Monday.

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

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

CAZ048-281245-
/O.CON.KSGX.HT.Y.0002.000000T0000Z-210629T0400Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
933 PM PDT Sun Jun 27 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT MONDAY...

* WHAT...Temperatures up to 110 expected.

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

* WHEN...Through 9 PM PDT Monday.

* IMPACTS...There will be an increasing potential for heat 
  related illnesses, particularly for those working or 
  participating in outdoor activities.

* ADDITIONAL DETAILS...Warm nights will contribute to the heat 
  stress.

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.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego
063 
WWUS76 KSGX 281146
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
446 AM PDT Mon Jun 28 2021

CAZ060-282300-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
446 AM PDT Mon Jun 28 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

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

* WHERE...Apple and Lucerne Valleys.

* WHEN...Until 9 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.

&&

$$

CAZ061-062-282300-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
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
446 AM PDT Mon Jun 28 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* WHAT...Dangerously hot conditions with high temperatures of 112
  to 118.

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

* WHEN...Until 9 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.

&&

$$

CAZ065-282300-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
446 AM PDT Mon Jun 28 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

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

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...Until 9 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.

&&

$$

CAZ058-282300-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
San Diego County Mountains-
Including the cities of Julian and Pine Valley
446 AM PDT Mon Jun 28 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* WHAT...Dangerously hot conditions with high temperatures in the
  90s to 102.

* WHERE...San Diego County Mountains.

* WHEN...Until 9 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.

&&

$$

CAZ055-056-282300-
/O.CON.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
San Bernardino County Mountains-Riverside County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
and Idyllwild-Pine Cove
446 AM PDT Mon Jun 28 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* WHAT...Dangerously hot conditions with high temperatures in the
  mid 90s to 105 below 6000 feet.

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

* WHEN...Until 9 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.

&&

$$

CAZ048-282300-
/O.CON.KSGX.HT.Y.0002.000000T0000Z-210629T0400Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
446 AM PDT Mon Jun 28 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING...

* WHAT...High temperatures in the upper 90s to 110.

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

* WHEN...Until 9 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
507 
WWUS76 KSGX 290339
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
839 PM PDT Mon Jun 28 2021

CAZ060-290445-
/O.EXP.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
839 PM PDT Mon Jun 28 2021

...EXCESSIVE HEAT WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING...

Daytime highs will be 5 to 10 degrees cooler on Tuesday with
continued cooling on Wednesday.

$$

CAZ061-062-290445-
/O.EXP.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
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
839 PM PDT Mon Jun 28 2021

...EXCESSIVE HEAT WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING...

Daytime highs will be 5 to 10 degrees cooler on Tuesday with
continued cooling on Wednesday.

$$

CAZ065-290445-
/O.EXP.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
839 PM PDT Mon Jun 28 2021

...EXCESSIVE HEAT WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING...

Daytime highs will be 5 to 10 degrees cooler on Tuesday with
continued cooling on Wednesday.

$$

CAZ058-290445-
/O.EXP.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
San Diego County Mountains-
Including the cities of Julian and Pine Valley
839 PM PDT Mon Jun 28 2021

...EXCESSIVE HEAT WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING...

Daytime highs will be 5 to 10 degrees cooler on Tuesday with
continued cooling on Wednesday.

$$

CAZ055-056-290445-
/O.EXP.KSGX.EH.W.0003.000000T0000Z-210629T0400Z/
San Bernardino County Mountains-Riverside County Mountains-
Including the cities of Crestline, Lake Arrowhead, 
and Idyllwild-Pine Cove
839 PM PDT Mon Jun 28 2021

...EXCESSIVE HEAT WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING...

Daytime highs will be 5 to 10 degrees cooler on Tuesday with
continued cooling on Wednesday.

$$

CAZ048-290445-
/O.EXP.KSGX.HT.Y.0002.000000T0000Z-210629T0400Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
839 PM PDT Mon Jun 28 2021

...HEAT ADVISORY WILL EXPIRE AT 9 PM PDT THIS EVENING...

Daytime highs will be 5 to 10 degrees cooler on Tuesday with
continued cooling on Wednesday.

$$

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 1:05 PM PDTExcessive Heat WarningSGXRiverside, San Bernardino, San Diego3 days

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.