Alert archive / California / High Wind Warnings in 2018

High Wind Warning 3, NWS San Diego, CA

February 18, 2018San Bernardino County, California

NWS San Diego, CA issued this high wind warning at Feb 18, 2018, 4:47 AM PST for San Bernardino County, California. It took effect at Feb 18, 2018, 2:00 PM PST. It was in force for 23 hr. 5 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 18, 2018, 4:47 AM PST (12:47 UTC)
In effect from
Feb 18, 2018, 2:00 PM PST
Expired
Feb 19, 2018, 12:32 PM PST
In force
23 hr
Issued by
NWS San Diego, CA

County San Bernardino County, CA

The radar

The Edwards AFB radar (KEYX), 129 km from the middle of the area, began a volume at 12:47 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.

What was reported inside it

TimeReportWhereRemark
Feb 18, 9:47 PM PSTDUST STORMLucerne Valley, CABLOWING SAND PRODUCING NEAR-ZERO VISIBILITY ALONG HIGHWAY 247 NEAR LUCERNE VALLEY.
Feb 19, 12:08 AM PSTNON-TSTM WND GST 622 Wsw Twentynine Palms, CASPOTTER RECORDED A WIND GUSTS TO 62 MPH.
Feb 19, 2:51 AM PSTNON-TSTM WND GST 5924 Se Shoshone, CAHORSE THIEF RAWS REPORTED A WIND GUST OF 59 MPH.
Feb 19, 5:51 AM PSTNON-TSTM WND GST 68Burns Canyon, CAMESONET STATION BCNC1, BURNS CANYON.
Feb 19, 9:25 AM PSTNON-TSTM WND GST 587 E Landers, CAA SPOTTER IN JOSHUA TREE REPORTED A WIND GUST OF 58 MPH AT 925 AM.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Las Vegas, NV (KVEF), launched 12:00Z, 0.8 hours before the alert went out and 180 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, Las Vegas, NV at 12:00Z on 2018-02-18Temperature 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, Las Vegas, NV at 12:00Z on 2018-02-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 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
3352 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

920 
WWUS76 KSGX 181247
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
447 AM PST Sun Feb 18 2018

...AREAS OF STRONG GUSTY WINDS FOR THIS AFTERNOON THROUGH MONDAY...
...AREAS OF NEAR FREEZING TEMPERATURES WITH AREAS OF FROST FOR 
MONDAY NIGHT AND TUESDAY NIGHT IN THE VALLEYS...

.A cold low pressure system from the north will bring periods of strong
gusty west winds for this afternoon through Monday. As the storm 
moves east...cold nights will follow with areas of frost and 
freeze conditions for portions of the valleys and through the San
Gorgonio Pass.

CAZ048-182230-
/O.NEW.KSGX.FZ.W.0001.180220T0600Z-180220T1700Z/
/O.NEW.KSGX.FR.Y.0003.180221T0600Z-180221T1600Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
447 AM PST Sun Feb 18 2018

...FREEZE WARNING IN EFFECT FROM 10 PM MONDAY TO 9 AM PST
TUESDAY...
...FROST ADVISORY IN EFFECT FROM 10 PM TUESDAY TO 8 AM PST
WEDNESDAY...

The National Weather Service in San Diego has issued a Freeze
Warning...which is in effect from 10 PM Monday to 9 AM PST
Tuesday. a Frost Advisory has also been issued. This Frost
Advisory is in effect from 10 PM Tuesday to 8 AM PST Wednesday. 

* Temperature...Falling into the upper 20s to mid 30s for late 
  Monday night into Tuesday morning...and into the 30s for late 
  Tuesday night into Wednesday morning.

* Duration...Several hours of temperatures sufficient for frost
  each night with 4 to 6 hours of temperatures near or below
  freezing in the colder locations For late Monday night into
  Tuesday morning.. 

* Location...Coldest temperatures in lower lying wind-sheltered 
  areas...especially in southern and eastern portions of the 
  Inland Empire.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ060-182230-
/O.UPG.KSGX.WI.Y.0006.180218T2200Z-180220T0200Z/
/O.NEW.KSGX.HW.W.0003.180218T2200Z-180220T0200Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
447 AM PST Sun Feb 18 2018

...HIGH WIND WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM
PST MONDAY...

The National Weather Service in San Diego has issued a High Wind
Warning...which is in effect from 2 PM this afternoon to 6 PM PST
Monday. The Wind Advisory is no longer in effect. 

* Winds...Southwest to west winds 20 to 30 mph with gusts to 50
  mph. Local gusts to 65 mph.

* Timing...Winds strengthening today with the strongest winds for
  late this afternoon through late tonight. 

* Location...Strongest winds near the foothills of the mountains.

* Visibility...Reduced in blowing dust and sand at times.

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Blowing dust and sand may reduce visibility 
  to near-zero in a few locations

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring.  Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

CAZ065-182230-
/O.NEW.KSGX.FR.Y.0002.180220T0600Z-180220T1700Z/
/O.CON.KSGX.WI.Y.0006.180218T2200Z-180220T0200Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
447 AM PST Sun Feb 18 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
6 PM PST MONDAY...
...FROST ADVISORY IN EFFECT FROM 10 PM MONDAY TO 9 AM PST
TUESDAY...

The National Weather Service in San Diego has issued a Frost
Advisory...which is in effect from 10 PM Monday to 9 AM PST
Tuesday. 

* Winds...Areas of west winds 25 to 35 mph with gusts to 55 mph.
  Isolated gusts to 70 mph in the northern Coachella Valley below
  the San Gorgonio Pass for this afternoon through Monday.

* Temperatures...Falling into the lower to mid 30s for late 
  Monday night into Tuesday morning with areas of frost possible.

* Duration...Several hours of temperatures sufficient for frost
  for late Monday night into Tuesday morning.. 

* Impacts...Strong winds will make travel difficult for high-
  profile vehicles. Sensitive outdoor plants may be killed if left
  uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ050-182230-
/O.NEW.KSGX.FR.Y.0002.180220T0600Z-180220T1700Z/
/O.EXB.KSGX.WI.Y.0006.180219T1600Z-180220T0200Z/
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
447 AM PST Sun Feb 18 2018

...WIND ADVISORY IN EFFECT FROM 8 AM TO 6 PM PST MONDAY...
...FROST ADVISORY IN EFFECT FROM 10 PM MONDAY TO 9 AM PST
TUESDAY...

The National Weather Service in San Diego has issued a Frost
Advisory...which is in effect from 10 PM Monday to 9 AM PST
Tuesday. a Wind Advisory has also been issued. This Wind Advisory
is in effect from 8 AM to 6 PM PST Monday. 

* Winds...Areas of winds west 15 to 25 mph with gusts to 40 mph 
  on Monday. 

* Temperatures...Falling into the lower to mid 30s for late 
  Monday night into Tuesday morning with areas of frost possible. 
  Coldest temperatures in the inland valleys near the foothills of
  the mountains.

* Impacts...Strong winds will make travel difficult for high-
  profile vehicles. Watch for broken tree limbs and downed palm 
  fronds. Sensitive outdoor plants may be killed if left 
  uncovered.

* Outlook...Patchy frost is also possible late Tuesday night into
  Wednesday morning...mainly for the inland valleys near the
  foothills of the mountains.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ043-182230-
/O.EXB.KSGX.WI.Y.0006.180219T1600Z-180220T0200Z/
San Diego County Coastal Areas-
Including the cities of Vista, Carlsbad, Encinitas, Chula Vista, 
National City, and San Diego
447 AM PST Sun Feb 18 2018

...WIND ADVISORY IN EFFECT FROM 8 AM TO 6 PM PST MONDAY...

The National Weather Service in San Diego has issued a Wind
Advisory...which is in effect from 8 AM to 6 PM PST Monday. 

* Winds...Areas of winds west 15 to 25 mph with gusts to 40 mph. 

* Location...Strongest gusts to 45 mph near the coast.

* Impacts...Strong winds will make travel difficult for high-
  profile vehicles. Watch for broken tree limbs and downed palm 
  fronds.
 PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

CAZ061-062-182230-
/O.CON.KSGX.WI.Y.0006.180218T2200Z-180220T0200Z/
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
447 AM PST Sun Feb 18 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
6 PM PST MONDAY...

* Winds...Areas of northwest to west winds 25 to 35 mph with gusts
  to 55 mph and isolated gusts to 70 mph.

* Location...Strongest gusts near the mountains...and in the
  Coachella Valley north and east of Interstate 10.

* Impacts...Strong winds will make travel difficult for high-
  profile vehicles. Blowing dust and sand may reduce visibility to
  near zero in a few locations. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

17
4 follow-up statements
464 
WWUS76 KSGX 182048
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1248 PM PST Sun Feb 18 2018

...AREAS OF STRONG GUSTY WINDS FOR THIS AFTERNOON THROUGH
MONDAY... 
...AREAS OF NEAR FREEZING TEMPERATURES WITH AREAS OF
FROST FOR MONDAY NIGHT AND TUESDAY NIGHT IN THE VALLEYS...

.A cold low pressure system from the north will bring periods of
strong and gusty westerly winds through Monday. As the storm 
moves east, cold nights will follow, with areas of frost and 
freezing conditions for portions of the valleys and through the 
San Gorgonio Pass.

CAZ048-190600-
/O.CON.KSGX.FZ.W.0001.180220T0600Z-180220T1700Z/
/O.CON.KSGX.FR.Y.0003.180221T0600Z-180221T1600Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
1248 PM PST Sun Feb 18 2018

...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM MONDAY TO 9 AM PST
TUESDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM TUESDAY TO 8 AM
PST WEDNESDAY...

* Temperature...Falling into the upper 20s to mid 30s for late 
  Monday night into Tuesday morning...and into the 30s for late 
  Tuesday night into Wednesday morning. 

* Duration...Several hours of temperatures sufficient for frost 
  each night with 4 to 6 hours of temperatures near or below 
  freezing in the colder locations For late Monday night into 
  Tuesday morning.. 

* Location...Coldest temperatures in low-lying, wind-sheltered 
  areas...especially in southern and eastern portions of the 
  Inland Empire. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ060-190600-
/O.CON.KSGX.HW.W.0003.180218T2200Z-180220T0200Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
1248 PM PST Sun Feb 18 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM PST MONDAY...

* Winds...Southwest to west winds 20 to 30 mph with gusts to 50 
  mph. Local gusts to 65 mph. 

* Timing...Winds strengthening today with the strongest winds  
  late this afternoon through late tonight. 

* Location...Strongest winds near the foothills of the mountains.

* Visibility...Reduced in blowing dust and sand at times.

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Blowing dust and sand may reduce visibility 
  to near-zero in a few locations 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring.  Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

CAZ065-190600-
/O.CON.KSGX.WI.Y.0006.180218T2200Z-180220T0200Z/
/O.CON.KSGX.FR.Y.0002.180220T0600Z-180220T1700Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
1248 PM PST Sun Feb 18 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST MONDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM MONDAY TO 9 AM PST
TUESDAY...

* Winds...Areas of west winds 25 to 35 mph with gusts to 55 mph. 
  Isolated gusts to 70 mph in the northern Coachella Valley 
  below the San Gorgonio Pass for this afternoon through Monday. 

* Temperatures...Falling into the lower to mid 30s for late 
  Monday night into Tuesday morning with areas of frost 
  possible. 

* Duration...Several hours with temperatures sufficient for frost  
  late Monday night into Tuesday morning.. 

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Sensitive outdoor plants may be killed if 
  left uncovered. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ050-190600-
/O.CON.KSGX.WI.Y.0006.180219T1600Z-180220T0200Z/
/O.CON.KSGX.FR.Y.0002.180220T0600Z-180220T1700Z/
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
1248 PM PST Sun Feb 18 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 6 PM PST MONDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM MONDAY TO 9 AM PST
TUESDAY...

* Winds...Areas of winds west 15 to 25 mph with gusts to 40 mph 
  on Monday. 

* Temperatures...Falling into the lower to mid 30s for late Monday
  night into Tuesday morning with areas of frost possible. 
  Coldest temperatures in the inland valleys near the foothills of
  the mountains. 

* Impacts...Strong winds will make travel difficult for high-
  profile vehicles. Watch for broken tree limbs and downed palm
  fronds. Sensitive outdoor plants may be killed if left  
  uncovered. 

* Outlook...Patchy frost is also possible late Tuesday night 
  into Wednesday morning...mainly for the inland valleys near 
  the foothills of the mountains. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ061-062-190600-
/O.CON.KSGX.WI.Y.0006.180218T2200Z-180220T0200Z/
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
1248 PM PST Sun Feb 18 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST MONDAY...

* Winds...Areas of northwest to west winds 25 to 35 mph with 
  gusts to 55 mph and isolated gusts to 60 to 70 mph. 

* Location...Strongest gusts near the mountains...and in the 
  Coachella Valley north and east of Interstate 10. 

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Blowing dust and sand may reduce visibility 
  to near zero in a few locations. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

CAZ043-190600-
/O.CON.KSGX.WI.Y.0006.180219T1600Z-180220T0200Z/
San Diego County Coastal Areas-
Including the cities of Vista, Carlsbad, Encinitas, Chula Vista, 
National City, and San Diego
1248 PM PST Sun Feb 18 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 6 PM PST MONDAY...

* Winds...Areas of winds west 15 to 25 mph with gusts to 40 mph.

* Location...Strongest gusts to 45 mph near the coast.

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Watch for broken tree limbs and downed palm 
  fronds. 

PRECAUTIONARY/PREPAREDNESS ACTIONS... 

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
739 
WWUS76 KSGX 190557
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
957 PM PST Sun Feb 18 2018

...STRONG WINDS THROUGH MONDAY... 
...NEAR FREEZING TEMPERATURES IN THE VALLEYS WITH AREAS OF FROST 
MONDAY NIGHT AND TUESDAY NIGHT...

.A cold low pressure system from the north will bring periods of
strong and gusty westerly winds through Monday. As the storm
moves east, cold nights will follow, with areas of frost in the 
valleys and the San Gorgonio Pass.

CAZ048-191400-
/O.CON.KSGX.FZ.W.0001.180220T0600Z-180220T1700Z/
/O.CON.KSGX.FR.Y.0003.180221T0600Z-180221T1600Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
957 PM PST Sun Feb 18 2018

...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM MONDAY TO 9 AM PST
TUESDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM TUESDAY TO 8 AM
PST WEDNESDAY...

* Temperature...Falling into the upper 20s to mid 30s Monday night
  into Tuesday morning...and in the 30s Tuesday night into 
  Wednesday morning. 

* Duration...Several hours of temperatures sufficient for frost
  each night with 4 to 6 hours of near or below freezing
  conditions. 

* Location...Coldest temperatures in low-lying, wind-sheltered 
  areas...especially in southern and eastern portions of the 
  Inland Empire. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ060-191400-
/O.CON.KSGX.HW.W.0003.000000T0000Z-180220T0200Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
957 PM PST Sun Feb 18 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM PST MONDAY...

* Winds...Southwest to west winds 20 to 30 mph with occasional  
  gusts up to 65 mph. 

* Timing/Location...Strongest winds overnight near the foothills 
  of the mountains. 

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Blowing dust and sand may reduce visibility 
  to near-zero in a few locations 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring.  Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

CAZ065-191400-
/O.CON.KSGX.WI.Y.0006.000000T0000Z-180220T0200Z/
/O.CON.KSGX.FR.Y.0002.180220T0600Z-180220T1700Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
957 PM PST Sun Feb 18 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST MONDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM MONDAY TO 9 AM PST
TUESDAY...

* Winds...Areas of west winds 25 to 35 mph with gusts to 55 mph. 
  Isolated gusts to 70 mph in the northern Coachella Valley 
  below the San Gorgonio Pass for this afternoon through Monday. 

* Temperatures...Falling into the lower to mid 30s for late 
  Monday night into Tuesday morning with areas of frost 
  possible. 

* Duration...Several hours with temperatures sufficient for frost
  late Monday night into Tuesday morning. 

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Sensitive outdoor plants may be killed if 
  left uncovered. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ050-191400-
/O.CON.KSGX.WI.Y.0006.180219T1600Z-180220T0200Z/
/O.CON.KSGX.FR.Y.0002.180220T0600Z-180220T1700Z/
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
957 PM PST Sun Feb 18 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 6 PM PST MONDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM MONDAY TO 9 AM PST
TUESDAY...

* Winds...Areas of winds west 15 to 25 mph with gusts to 40 mph 
  on Monday. 

* Temperatures...Falling into the lower to mid 30s for late 
  Monday night into Tuesday morning with areas of frost 
  possible. Coldest temperatures in the inland valleys near the 
  foothills of the mountains. 

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Watch for broken tree limbs and downed palm 
  fronds. Sensitive outdoor plants may be killed if left 
  uncovered. 

* Outlook...Patchy frost is also possible late Tuesday night 
  into Wednesday morning...mainly for the inland valleys near 
  the foothills of the mountains. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ061-062-191400-
/O.CON.KSGX.WI.Y.0006.000000T0000Z-180220T0200Z/
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
957 PM PST Sun Feb 18 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST MONDAY...

* Winds...Areas of northwest to west winds 25 to 35 mph with 
  gusts to 55 mph and isolated gusts to 60 to 70 mph. 

* Location...Strongest gusts near the mountains...and in the 
  Coachella Valley north and east of Interstate 10. 

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Blowing dust and sand may reduce visibility 
  to near zero in a few locations. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

CAZ043-191400-
/O.CON.KSGX.WI.Y.0006.180219T1600Z-180220T0200Z/
San Diego County Coastal Areas-
Including the cities of Vista, Carlsbad, Encinitas, Chula Vista, 
National City, and San Diego
957 PM PST Sun Feb 18 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 6 PM PST MONDAY...

* Winds...Areas of winds west 15 to 25 mph with gusts to 40 mph.

* Location...Strongest gusts to 45 mph near the coast.

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Watch for broken tree limbs and downed palm 
  fronds. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

jmb

weather.gov/sandiego
639 
WWUS76 KSGX 191108
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
308 AM PST Mon Feb 19 2018

...STRONG GUSTY WINDS TODAY... 
...NEAR FREEZING TEMPERATURES IN THE VALLEYS WITH AREAS OF FROST 
TONIGHT AND TUESDAY NIGHT...

.A cold low pressure system over the western states will bring 
periods of strong and gusty west winds today. As the storm moves 
east, cold nights will follow, with areas of frost in the valleys 
and the San Gorgonio Pass.

CAZ048-192230-
/O.CON.KSGX.FZ.W.0001.180220T0600Z-180220T1700Z/
/O.CON.KSGX.FR.Y.0003.180221T0600Z-180221T1600Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
308 AM PST Mon Feb 19 2018

...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
9 AM PST TUESDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM TUESDAY TO 8 AM
PST WEDNESDAY...

* Temperature...Falling into the upper 20s to mid 30s tonight into
  Tuesday morning...and into the 30s tonight into Wednesday 
  morning. 

* Duration...Several hours of temperatures sufficient for frost 
  each night with 4 to 6 hours of near or below freezing 
  conditions. 

* Location...Coldest temperatures in low-lying, wind-sheltered 
  areas...especially in southern and eastern portions of the 
  Inland Empire. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ060-192230-
/O.CON.KSGX.HW.W.0003.000000T0000Z-180220T0200Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
308 AM PST Mon Feb 19 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...

* Winds...Southwest to west winds 20 to 30 mph with occasional
  gusts to 65 mph. 

* Timing/Location...Strongest winds overnight near the foothills
  through early this morning.

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Blowing dust and sand may reduce visibility 
  to near-zero in a few locations 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring.  Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

CAZ065-192230-
/O.CON.KSGX.WI.Y.0006.000000T0000Z-180220T0200Z/
/O.CON.KSGX.FR.Y.0002.180220T0600Z-180220T1700Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
308 AM PST Mon Feb 19 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING...
...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
9 AM PST TUESDAY...

* Winds...Areas of west winds 25 to 35 mph with gusts to 55 mph.
  Isolated gusts to 70 mph in the northern Coachella Valley below
  the San Gorgonio Pass. 

* Temperatures...Falling into the lower to mid 30s for late tonight
  into Tuesday morning with areas of frost possible. 

* Duration...Several hours with temperatures sufficient for frost
  late tonight into Tuesday morning. 

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Sensitive outdoor plants may be killed if 
  left uncovered. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ050-192230-
/O.CON.KSGX.WI.Y.0006.180219T1600Z-180220T0200Z/
/O.CON.KSGX.FR.Y.0002.180220T0600Z-180220T1700Z/
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
308 AM PST Mon Feb 19 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 6 PM
PST THIS EVENING...
...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
9 AM PST TUESDAY...

* Winds...Areas of winds west 15 to 25 mph with gusts to 40 mph 
  on Monday. 

* Temperatures...Falling into the lower to mid 30s for late
  tonight into Tuesday morning with areas of frost possible with
  coldest temperatures in the inland valleys near the foothills 
  of the mountains. 

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Watch for broken tree limbs and downed palm 
  fronds. Sensitive outdoor plants may be killed if left 
  uncovered. 

* Outlook...Patchy frost is also possible late tonight into 
  Wednesday morning...mainly for the inland valleys near the 
  foothills of the mountains. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ061-062-192230-
/O.CON.KSGX.WI.Y.0006.000000T0000Z-180220T0200Z/
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
308 AM PST Mon Feb 19 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING...

* Winds...Areas of northwest to west winds 25 to 35 mph with gusts
  to 55 mph and isolated gusts to 70 mph. 

* Location...Strongest gusts near the mountains...and in the 
  Coachella Valley north and east of Interstate 10. 

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Blowing dust and sand may reduce visibility 
  to near zero in a few locations. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

CAZ043-192230-
/O.CON.KSGX.WI.Y.0006.180219T1600Z-180220T0200Z/
San Diego County Coastal Areas-
Including the cities of Vista, Carlsbad, Encinitas, Chula Vista, 
National City, and San Diego
308 AM PST Mon Feb 19 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 6 PM
PST THIS EVENING...

* Winds...Areas of winds west 15 to 25 mph with gusts to 40 mph.

* Location...Strongest gusts to 45 mph near the coast.

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Watch for broken tree limbs and downed palm 
  fronds. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

17
653 
WWUS76 KSGX 192032
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1232 PM PST Mon Feb 19 2018

...NEAR FREEZING TEMPERATURES IN THE VALLEYS WITH AREAS OF FROST 
TONIGHT AND TUESDAY NIGHT...

.Continued breezy to windy this evening, then winds decreasing
late tonight. With clear skies and light winds, temperatures will
drop rapidly in wind-sheltered areas. Areas of frost are expected
along with freezing conditions in portions of the Inland Empire.

CAZ060-192145-
/O.CAN.KSGX.HW.W.0003.000000T0000Z-180220T0200Z/
Apple and Lucerne Valleys-
1232 PM PST Mon Feb 19 2018

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in San Diego has cancelled the High
Wind Warning. 

Continued breezy with westerly winds of 15 to 25 MPH with gusts to
35 MPH through about sunset, but high winds are no longer expected.

$$

CAZ050-200600-
/O.CAN.KSGX.WI.Y.0006.000000T0000Z-180220T0200Z/
/O.CON.KSGX.FR.Y.0002.180220T0600Z-180220T1700Z/
San Diego County Valleys-
Including the cities of Escondido, San Marcos, and Poway
1232 PM PST Mon Feb 19 2018

...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
9 AM PST TUESDAY...
...WIND ADVISORY IS CANCELLED...

The National Weather Service in San Diego has cancelled the Wind
Advisory. 

* Winds are expected to remain below Advisory criteria for the
  remainder of the day.

* Temperatures...Falling into the lower to mid 30s late tonight
  into Tuesday morning, with areas of frost possible. Coldest
  areas in the inland valleys near the foothills of the 
  mountains.

* Impacts...Sensitive outdoor plants may be killed if left 
  uncovered. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ043-192145-
/O.CAN.KSGX.WI.Y.0006.000000T0000Z-180220T0200Z/
San Diego County Coastal Areas-
1232 PM PST Mon Feb 19 2018

...WIND ADVISORY IS CANCELLED...

The National Weather Service in San Diego has cancelled the Wind
Advisory. 

While it will be breezy for the remainder of the day into this
evening, Advisory strength winds are not expected.

$$

CAZ048-200600-
/O.CON.KSGX.FZ.W.0001.180220T0600Z-180220T1700Z/
/O.CON.KSGX.FR.Y.0003.180221T0600Z-180221T1600Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
1232 PM PST Mon Feb 19 2018

...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
9 AM PST TUESDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM TUESDAY TO 8 AM
PST WEDNESDAY...

* Temperature...Falling into the upper 20s to mid 30s tonight 
  into Tuesday morning...and into the 30s tonight into Wednesday 
  morning. 

* Duration...Several hours of temperatures sufficient for frost 
  each night with 4 to 6 hours of near or below freezing 
  conditions. 

* Location...Coldest in low-lying, wind-sheltered areas... 
  especially in southern and eastern portions of the Inland 
  Empire. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ065-200600-
/O.CON.KSGX.WI.Y.0006.000000T0000Z-180220T0200Z/
/O.CON.KSGX.FR.Y.0002.180220T0600Z-180220T1700Z/
San Gorgonio Pass Near Banning-
Including the cities of Banning and Desert Hot Springs
1232 PM PST Mon Feb 19 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING...
...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
9 AM PST TUESDAY...

* Winds...Areas of west winds 25 to 35 mph with gusts to 50 mph. 
  Isolated gusts to 60 mph in the northern Coachella Valley below 
  the San Gorgonio Pass. 

* Temperatures...Falling into the lower to mid 30s late tonight 
  into Tuesday morning with areas of frost possible. 

* Duration...Several hours with temperatures sufficient for 
  frost late tonight into Tuesday morning. 

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Sensitive outdoor plants may be killed if 
  left uncovered. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ061-062-200200-
/O.CON.KSGX.WI.Y.0006.000000T0000Z-180220T0200Z/
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
1232 PM PST Mon Feb 19 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING...

* Winds...Areas of northwest to west winds 25 to 35 mph with
  isolated gusts to 50 mph. 

* Location...Strongest gusts near the mountains...and in the 
  Coachella Valley north and east of Interstate 10. 

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Blowing dust and sand may reduce visibility 
  to near zero in a few locations. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 17, 5:32 PM PSTWind AdvisorySGXRiverside, San Bernardino, San Diego52 hr
Feb 17, 5:32 PM PSTWinter Weather AdvisorySGXRiverside, San Bernardino, San Diego52 hr
Feb 17, 7:54 PM PSTGale WatchSGX6 hr
Feb 18, 2:01 AM PSTGale WarningSGX35 hr
Feb 18, 4:47 AM PSTFrost AdvisorySGXRiverside, San Diego52 hr
Feb 18, 4:47 AM PSTFrost AdvisorySGXOrange, Riverside, San Bernardino, San Diego3 days
Feb 18, 4:47 AM PSTFreeze WarningSGXRiverside, San Bernardino52 hr

Nearby

High Wind Warnings in California, 2018Every high wind warning in 2018

Sources

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