Alert archive / California / High Wind Warnings in 2021

High Wind Warning 7, NWS San Diego, CA

March 14, 2021Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this high wind warning at Mar 14, 2021, 1:41 AM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Mar 15, 2021, 8:00 AM PDT. It was in force for 19 hr. 21 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
Mar 14, 2021, 1:41 AM PST (09:41 UTC)
In effect from
Mar 15, 2021, 8:00 AM PDT
Expired
Mar 16, 2021, 3:00 AM PDT
In force
19 hr
Issued by
NWS San Diego, CA

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

The radar

The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 09:38 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
Mar 15, 8:21 AM PDTDENSE FOG1 Wnw Julian, CACLOUDS IN MOUNTAINS.
Mar 15, 10:30 AM PDTNON-TSTM WND GST 581 E Wrightwood, CAMESONET STATION SE251 WRIGHTWOOD (SCE251).
Mar 15, 11:22 AM PDTDENSE FOG3 Wsw Pine Valley, CADENSE FOG, VISIBILITY 1/8 MILE. LIGHT RAIN.
Mar 15, 11:50 AM PDTNON-TSTM WND GST 597 Nne Lytle Creek, CAMESONET STATION SE338 CAJON LOOKOUT (SCE338).
Mar 15, 1:10 PM PDTNON-TSTM WND GST 817 N Big Bear City, CAMESONET STATION SE269 CUSHENBURY SPRINGS (SCE269).
Mar 15, 1:20 PM PDTNON-TSTM WND GST 685 Sse Lucerne Valley, CAMESONET STATION SE262 LUCERNE VALLEY (SCE262).
Mar 15, 1:56 PM PDTNON-TSTM WND GST 6212 Nnw Twentynine Palms, CAPEAK WIND GUST OF 62 MPH AT TWENTYNINE PALMS AIRPORT.
Mar 15, 2:20 PM PDTDEBRIS FLOW5 Sse Banning, CALARGE BOULDER UP TO 4 FOOT DIAMETER ON POPPET FLAT ROAD AND HIGHWAY 243 AREA. BUCKET LOADER BROUGHT UP FROM BANNING AS SNOW PLOW COULD NOT MOVE. AREA HAD RAIN BELOW 5500 FEET. 0.25 TO 0.45 INCH RAINFALL IN 6 HOUR PERIOD.
Mar 15, 2:30 PM PDTDEBRIS FLOW2 Wsw Lake Arrowhead, CALARGE BOULDER ON ALPINE LANE NEAR HIGHWAY 189 REPORTED BY CALTRANS. AREA HAD A MIXTURE OF RAIN AND SNOW TODAY.
Mar 15, 3:51 PM PDTNON-TSTM WND GST 7513 Ese Big Bear City, CAMESONET STATION BCNC1 BURNS CANYON.
Mar 15, 4:30 PM PDTNON-TSTM WND GST 582 W Borrego Springs, CAMESONET STATION UCAB ANZA BORREGO DESERT PARK.
Mar 15, 4:45 PM PDTNON-TSTM WND DMGNw Indio, CACALTRANS REPORTS POWER LINES DOWN IN THE ROADWAY NEAR THE INTERSECTION OF INDIO BLVD. AND BURR ST. ON THE NORTHWESTERN SIDE OF INDIO. WIND GUSTS IN THE AREA WERE APPROXIMATELY 35-45 MPH.
Mar 15, 4:51 PM PDTNON-TSTM WND GST 8113 Ese Big Bear City, CAMESONET STATION BCNC1 BURNS CANYON ALSO HAD GUST TO 75 MPH 1 HOUR PRIOR.
Mar 15, 5:16 PM PDTNON-TSTM WND DMG7 Ssw Coachella, CADOWNED TREES AT 66TH AVENUE AT JACKSON STREET WEST OF MECCA, BLOCKING LANES IN BOTH DIRECTIONS. WINDS GUSTS TO 45 MPH REPORTED AT NEARBY THERMAL AIRPORT AT THE TIME.
Mar 15, 5:26 PM PDTNON-TSTM WND GST 5620 Ene Big Bear City, CAMESONET STATION MNLC1 MEANS LAKE IN JOHNSON VALLEY.
Mar 15, 5:43 PM PDTHAIL 0.254 N Corona, CASPOTTER REPORT OF VERY SMALL HAIL.
Mar 15, 5:57 PM PDTHAIL 0.254 Ese Riverside, CA5 MINUTES OF HAIL.
Mar 15, 7:25 PM PDTFUNNEL CLOUD8 Nw Lake Elsinore, CATRAINED SPOTTER REPORTS VIDEO OF COLD AIR FUNNEL CLOUD. VERY LIGHT SHOWERS REPORTED ON RADAR AT THE TIME.
Mar 15, 8:26 PM PDTSNOW 0.35 S Julian, CACHANGED TO SNOW BRIEFLY AT 4000 FEET. ROADS ICY AND TEMPERATURE 28F.
Mar 15, 9:30 PM PDTHAIL 0.254 W Desert Hot Springs, CASMALL HAIL.
Mar 15, 10:40 PM PDTNON-TSTM WND GST 642 Nne Julian, CAMESONET STATION VCMSD VOLCAN MOUNTAIN (SDGE).

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

The nearest sounding before it

San Diego, CA (KNKX), launched 00:00Z, 9.7 hours before the alert went out and 145 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, San Diego, CA at 00:00Z on 2021-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2021-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -63 square meters per square second.1939587897117Sfc1 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
860 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
-63 m²/s²
0-3 km storm-relative helicity
12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

173 
WWUS76 KSGX 140941
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
141 AM PST Sun Mar 14 2021

CAZ055-056-058-060>062-065-142100-
/O.UPG.KSGX.HW.A.0005.210315T1500Z-210316T0900Z/
/O.NEW.KSGX.HW.W.0007.210315T1500Z-210316T0900Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-Apple and Lucerne Valleys-
Coachella Valley-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove, 
Julian, Pine Valley, Victorville, Hesperia, Apple Valley, Indio, 
Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, 
La Quinta, Coachella, Borrego Springs, Banning, 
and Desert Hot Springs
141 AM PST Sun Mar 14 2021

...HIGH WIND WARNING IN EFFECT FROM 8 AM MONDAY TO 2 AM PDT
TUESDAY...

* WHAT...West winds 25 to 45 mph with gusts to 70 mph expected.

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

* WHEN...From 8 AM Monday to 2 AM PDT Tuesday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Power outages are possible. Travel will be difficult, 
  especially for high profile vehicles.

* ADDITIONAL DETAILS...Blowing dust and sand in the deserts may
  greatly reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

Moede
5 follow-up statements
773 
WWUS76 KSGX 142004
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
104 PM PDT Sun Mar 14 2021

CAZ056-058-065-150445-
/O.NEW.KSGX.WI.Y.0015.210315T0000Z-210315T1500Z/
/O.CON.KSGX.HW.W.0007.210315T1500Z-210316T0900Z/
Riverside County Mountains-San Diego County Mountains-
San Gorgonio Pass Near Banning-
Including the cities of Idyllwild-Pine Cove, Julian, Pine Valley,
Banning, and Desert Hot Springs
104 PM PDT Sun Mar 14 2021

...WIND ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 AM PDT
MONDAY...
...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM MONDAY TO 2 AM
PDT TUESDAY...

* WHAT...For the High Wind Warning, west winds 30 to 40 mph with
  gusts to 75 mph expected. For the Wind Advisory, west winds 20 
  to 30 mph with gusts to 55-60 mph expected.

* WHERE...Riverside County Mountains, San Diego County Mountains 
  and San Gorgonio Pass Near Banning.

* WHEN...For the High Wind Warning, from 8 AM Monday to 2 AM PDT 
  Tuesday. For the Wind Advisory, from 5 PM this afternoon to 8 
  AM PDT Monday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Power outages are possible. Travel will be difficult, 
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ055-060>062-150445-
/O.CON.KSGX.HW.W.0007.210315T1500Z-210316T0900Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
Coachella Valley-San Diego County Deserts-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Victorville, 
Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
104 PM PDT Sun Mar 14 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM MONDAY TO 2 AM
PDT TUESDAY...

* WHAT...West winds 25 to 45 mph with gusts to 65 to 75 mph 
  expected.

* WHERE...San Bernardino County Mountains, Riverside County
  Mountains, San Diego County Mountains, Apple and Lucerne
  Valleys, Coachella Valley, San Diego County Deserts and San
  Gorgonio Pass Near Banning. Strongest gusts pver the mountain
  ridges, near the desert foothills, and near passes

* WHEN...From 8 AM Monday to 2 AM PDT Tuesday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Power outages are possible. Travel will be difficult, 
  especially for high profile vehicles.

* ADDITIONAL DETAILS...Blowing dust and sand in the deserts may
  greatly reduce visibility. Sudden, strong cross-winds could be
  hazardous for high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ043-552-554-150445-
/O.NEW.KSGX.WI.Y.0016.210315T1800Z-210316T0300Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Vista, Carlsbad, Encinitas, Chula Vista, 
National City, San Diego, Huntington Beach, Costa Mesa, 
Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton, 
and Mission Viejo
104 PM PDT Sun Mar 14 2021

...WIND ADVISORY IN EFFECT FROM 11 AM TO 8 PM PDT MONDAY...

* WHAT...West winds 15 to 25 mph with gusts to 35 mph expected.
  Local gusts to 45 MPH possible.

* WHERE...San Diego County Coastal Areas, Orange County Coastal 
  Areas and Orange County Inland Areas.

* WHEN...From 11 AM to 8 PM PDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs and palm fronds could be blown down and a few power 
  outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego
096 
WWUS76 KSGX 150438
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
938 PM PDT Sun Mar 14 2021

CAZ056-058-065-151300-
/O.CON.KSGX.HW.W.0007.210315T1500Z-210316T0900Z/
/O.CON.KSGX.WI.Y.0015.000000T0000Z-210315T1500Z/
Riverside County Mountains-San Diego County Mountains-
San Gorgonio Pass Near Banning-
Including the cities of Idyllwild-Pine Cove, Julian, Pine Valley,
Banning, and Desert Hot Springs
938 PM PDT Sun Mar 14 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT MONDAY...
...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM MONDAY TO 2 AM
PDT TUESDAY...

* WHAT...For the High Wind Warning, west winds 30 to 40 mph with
  gusts to 75 mph expected. For the Wind Advisory, west winds 20
  to 30 mph with gusts 55 to 60 mph expected.

* WHERE...Riverside County Mountains, San Diego County Mountains 
  and San Gorgonio Pass Near Banning.

* WHEN...For the High Wind Warning, from 8 AM Monday to 2 AM PDT
  Tuesday. For the Wind Advisory, now until 8 AM PDT Monday.

* IMPACTS...Damaging winds will blow down trees and power lines
  with power outages possible. Travel will be difficult,
  especially for high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ055-060>062-151300-
/O.CON.KSGX.HW.W.0007.210315T1500Z-210316T0900Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
Coachella Valley-San Diego County Deserts-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Victorville, 
Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
938 PM PDT Sun Mar 14 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM MONDAY TO 2 AM
PDT TUESDAY...

* WHAT...West winds 25 to 45 mph with gusts to 65 to 75 mph 
  expected.

* WHERE...San Bernardino County Mountains, Riverside County 
  Mountains, San Diego County Mountains, Apple and Lucerne 
  Valleys, Coachella Valley, San Diego County Deserts and San 
  Gorgonio Pass Near Banning. Strongest gusts over the mountain 
  ridges, near the desert foothills, and near passes.

* WHEN...From 8 AM Monday to 2 AM PDT Tuesday.

* IMPACTS...Damaging winds will blow down trees and power lines
  with power outages possible. Travel will be difficult, 
  especially for high profile vehicles. Reduced visibility 
  possible in areas of dust in the deserts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ043-552-554-151300-
/O.CON.KSGX.WI.Y.0016.210315T1800Z-210316T0300Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Vista, Carlsbad, Encinitas, Chula Vista, 
National City, San Diego, Huntington Beach, Costa Mesa, 
Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton, 
and Mission Viejo
938 PM PDT Sun Mar 14 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM PDT
MONDAY...

* WHAT...West winds 15 to 25 mph with gusts to 35 mph expected. 
  Local gusts to 45 MPH possible.

* WHERE...San Diego County Coastal Areas, Orange County Coastal 
  Areas and Orange County Inland Areas.

* WHEN...From 11 AM to 8 PM PDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs and palm fronds could be blown down and a few power 
  outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego
900 
WWUS76 KSGX 151011
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
311 AM PDT Mon Mar 15 2021

CAZ056-058-065-152200-
/O.EXT.KSGX.HW.W.0007.210315T1500Z-210316T1000Z/
/O.CON.KSGX.WI.Y.0015.000000T0000Z-210315T1500Z/
Riverside County Mountains-San Diego County Mountains-
San Gorgonio Pass Near Banning-
Including the cities of Idyllwild-Pine Cove, Julian, Pine Valley,
Banning, and Desert Hot Springs
311 AM PDT Mon Mar 15 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING...
...HIGH WIND WARNING NOW IN EFFECT FROM 8 AM THIS MORNING TO 3 AM
PDT TUESDAY...

* WHAT...Through 8 AM, west winds 15 to 25 mph with gusts to 45
  mph. After 8 AM, west winds strengthening to 35 to 45 mph with
  gusts to 65 mph expected. Local gusts to 85 mph. 

* WHERE...San Gorgonio Pass Near Banning, Riverside County 
  Mountains and San Diego County Mountains.

* WHEN...Winds strengthening this morning, then decreasing late
  tonight.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Power outages are possible. Travel will be difficult, 
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ055-060>062-152200-
/O.EXT.KSGX.HW.W.0007.210315T1500Z-210316T1000Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
Coachella Valley-San Diego County Deserts-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Victorville, 
Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
311 AM PDT Mon Mar 15 2021

...HIGH WIND WARNING NOW IN EFFECT FROM 8 AM THIS MORNING TO 3 AM
PDT TUESDAY...

* WHAT...West winds 30 to 40 mph with gusts to 60 mph expected.
  Local gusts to 85 mph.

* WHERE...San Bernardino County Mountains, San Diego County 
  Deserts, Apple and Lucerne Valleys and Coachella Valley.

* WHEN...From 8 AM this morning to 3 AM PDT Tuesday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Power outages are possible. Travel will be difficult, 
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ050-152200-
/O.EXA.KSGX.WI.Y.0016.210315T1800Z-210316T0300Z/
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
311 AM PDT Mon Mar 15 2021

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PDT
THIS EVENING...

* WHAT...West winds 15 to 25 mph with gusts to 40 mph expected.

* WHERE...San Diego County Valleys.

* WHEN...From 11 AM this morning to 8 PM PDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

CAZ043-552-554-152200-
/O.CON.KSGX.WI.Y.0016.210315T1800Z-210316T0300Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Vista, Carlsbad, Encinitas, Chula Vista, 
National City, San Diego, Huntington Beach, Costa Mesa, 
Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton, 
and Mission Viejo
311 AM PDT Mon Mar 15 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM PDT THIS EVENING...

* WHAT...West winds 10 to 20 mph with gusts to 35 mph expected.

* WHERE...Orange County Coastal Areas, Orange County Inland 
  Areas and San Diego County Coastal Areas.

* WHEN...From 11 AM this morning to 8 PM PDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

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

17
686 
WWUS76 KSGX 152001
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
101 PM PDT Mon Mar 15 2021

CAZ055-056-058-060>062-065-160500-
/O.CON.KSGX.HW.W.0007.000000T0000Z-210316T1000Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-Apple and Lucerne Valleys-
Coachella Valley-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove, 
Julian, Pine Valley, Victorville, Hesperia, Apple Valley, Indio, 
Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, 
La Quinta, Coachella, Borrego Springs, Banning, 
and Desert Hot Springs
101 PM PDT Mon Mar 15 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT TUESDAY...

* WHAT...West winds 30 to 40 mph with gusts to 60 mph expected. 
  Local gusts to 85 mph in favored locations.

* WHERE...San Bernardino County Mountains, San Diego County 
  Deserts, Apple and Lucerne Valleys and Coachella Valley.

* WHEN...Until 3 AM PDT Tuesday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Power outages are possible. Travel will be difficult, 
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ050-160500-
/O.NEW.KSGX.FR.Y.0002.210316T0700Z-210316T1600Z/
/O.EXT.KSGX.WI.Y.0016.000000T0000Z-210316T0800Z/
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
101 PM PDT Mon Mar 15 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 1 AM PDT TUESDAY...
...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PDT
TUESDAY...

* WHAT...For the Frost Advisory, temperatures as low as 33 degrees 
  will result in frost formation. For the Wind Advisory, west 
  winds 15 to 25 mph with gusts to 40 mph.

* WHERE...San Diego County Valleys.

* WHEN...For the Frost Advisory, from midnight tonight to 9 AM 
  PDT Tuesday. For the Wind Advisory, until 1 AM PDT Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Frost could kill sensitive outdoor vegetation if left 
  uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

Take steps now to protect tender plants from the cold.

&&

$$

CAZ048-160500-
/O.NEW.KSGX.FR.Y.0002.210316T0700Z-210316T1600Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Moreno Valley and Rancho Cucamonga
101 PM PDT Mon Mar 15 2021

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PDT
TUESDAY...

* WHAT...Temperatures as low as 33 degrees will result in frost 
  formation.

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

* WHEN...From midnight tonight to 9 AM PDT Tuesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

CAZ043-552-554-160500-
/O.EXT.KSGX.WI.Y.0016.000000T0000Z-210316T0800Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Vista, Carlsbad, Encinitas, Chula Vista, 
National City, San Diego, Huntington Beach, Costa Mesa, 
Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton, 
and Mission Viejo
101 PM PDT Mon Mar 15 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 1 AM PDT TUESDAY...

* WHAT...West winds 10 to 20 mph with gusts to 35 mph expected.

* WHERE...Orange County Coastal Areas, Orange County Inland 
  Areas and San Diego County Coastal Areas.

* WHEN...Until 1 AM PDT Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego
998 
WWUS76 KSGX 160349
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
849 PM PDT Mon Mar 15 2021

CAZ055-056-058-060>062-065-161000-
/O.CON.KSGX.HW.W.0007.000000T0000Z-210316T1000Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-Apple and Lucerne Valleys-
Coachella Valley-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove, 
Julian, Pine Valley, Victorville, Hesperia, Apple Valley, Indio, 
Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, 
La Quinta, Coachella, Borrego Springs, Banning, 
and Desert Hot Springs
849 PM PDT Mon Mar 15 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT TUESDAY...

* WHAT...West winds 30 to 40 mph with gusts to 65 mph expected. 

* WHERE...San Bernardino County Mountains, San Diego County 
  Deserts, Apple and Lucerne Valleys and Coachella Valley.

* WHEN...Until 3 AM PDT Tuesday.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Power outages are possible. Travel will be difficult, especially
  for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ050-161030-
/O.CON.KSGX.WI.Y.0016.000000T0000Z-210316T0800Z/
/O.CON.KSGX.FR.Y.0002.210316T0700Z-210316T1600Z/
San Diego County Valleys-
Including the cities of Escondido, El Cajon, San Marcos, La Mesa,
Santee, and Poway
849 PM PDT Mon Mar 15 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM PDT TUESDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
PDT TUESDAY...

* WHAT...For the Frost Advisory, temperatures as low as 33 degrees
  will result in frost formation. For the Wind Advisory, west
  winds 10 to 20 mph with gusts to 35 mph.

* WHERE...San Diego County Valleys.

* WHEN...For the Frost Advisory, from midnight tonight to 9 AM 
  PDT Tuesday. For the Wind Advisory, until 1 AM PDT Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Frost could kill sensitive outdoor vegetation if left 
  uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

Take steps now to protect tender plants from the cold.

&&

$$

CAZ048-161030-
/O.CON.KSGX.FR.Y.0002.210316T0700Z-210316T1600Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Moreno Valley and Rancho Cucamonga
849 PM PDT Mon Mar 15 2021

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
PDT TUESDAY...

* WHAT...Temperatures as low as 30 degrees will result in frost 
  formation.

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

* WHEN...From midnight tonight to 9 AM PDT Tuesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if left
  uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

CAZ043-552-554-160800-
/O.CON.KSGX.WI.Y.0016.000000T0000Z-210316T0800Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Vista, Carlsbad, Encinitas, Chula Vista, 
National City, San Diego, Huntington Beach, Costa Mesa, 
Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton, 
and Mission Viejo
849 PM PDT Mon Mar 15 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM PDT TUESDAY...

* WHAT...West winds 10 to 20 mph with gusts to 40 mph expected.

* WHERE...Orange County Coastal Areas, Orange County Inland 
  Areas and San Diego County Coastal Areas.

* WHEN...Until 1 AM PDT Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

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
Mar 14, 1:39 AM PSTGale WarningSGX54 hr
Mar 14, 1:01 PM PDTWinter Weather AdvisorySGXRiverside, San Bernardino, San Diego38 hr
Mar 14, 1:04 PM PDTWind AdvisorySGXRiverside, San Diego19 hr
Mar 14, 1:04 PM PDTWind AdvisorySGXOrange, San Diego36 hr

Nearby

High Wind Warnings in California, 2021Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.