Alert archive / California / Wind Advisories in 2021

Wind Advisory 29, NWS San Diego, CA

April 30, 2021Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Apr 30, 2021, 1:29 PM PDT for Riverside County, San Bernardino County, San Diego County, California. It took effect at May 1, 2021, 2:00 PM PDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
Apr 30, 2021, 1:29 PM PDT (20:29 UTC)
In effect from
May 1, 2021, 2:00 PM PDT
Expired
May 2, 2021, 11:00 PM PDT
In force
33 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 20:29 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, 8.5 hours before the alert went out and 145 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, San Diego, CA at 12:00Z on 2021-04-30Temperature 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 2021-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.1939Sfc1 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
4234 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
-29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

709 
WWUS76 KSGX 302029
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
129 PM PDT Fri Apr 30 2021

CAZ055-056-058-060>062-065-010430-
/O.NEW.KSGX.WI.Y.0029.210501T2100Z-210503T0200Z/
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
129 PM PDT Fri Apr 30 2021

...WIND ADVISORY IN EFFECT FROM 2 PM SATURDAY TO 7 PM PDT
SUNDAY...

* WHAT...West to southwest winds 20 to 30 mph with gusts up to 60
  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 2 PM Saturday to 7 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Areas of blowing sand and dust will reduce visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Connolly

For more information from the National Weather Service 
visit http://weather.gov/sandiego
6 follow-up statements
749 
WWUS76 KSGX 010452
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
952 PM PDT Fri Apr 30 2021

CAZ055-056-058-060>062-065-011300-
/O.CON.KSGX.WI.Y.0029.210501T2100Z-210503T0200Z/
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
952 PM PDT Fri Apr 30 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO 7 PM PDT
SUNDAY...

* WHAT...West to southwest winds 20 to 30 mph with gusts up to 
  60 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 2 PM Saturday to 7 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Areas of blowing sand and dust will reduce visibility 
  at times.

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
391 
WWUS76 KSGX 011023
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
323 AM PDT Sat May 1 2021

CAZ056-058-061-062-065-012100-
/O.EXT.KSGX.WI.Y.0029.210501T2100Z-210503T0600Z/
Riverside County Mountains-San Diego County Mountains-
Coachella Valley-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Julian, Pine Valley, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta, 
Coachella, Borrego Springs, Banning, and Desert Hot Springs
323 AM PDT Sat May 1 2021

...WIND ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 PM
PDT SUNDAY...

* WHAT...West winds 20 to 30 mph with gusts to 50 mph. Gusts 60
  mph expected through and below the San Gorgonio Pass

* WHERE...Riverside County Mountains, San Diego County Mountains,
  Coachella Valley, San Diego County Deserts. 

* WHEN...From 2 PM this afternoon to 11 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Areas of blowing sand and dust will reduce visibility 
  at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ055-060-012100-
/O.CON.KSGX.WI.Y.0029.210501T2100Z-210503T0200Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Victorville, 
Hesperia, and Apple Valley
323 AM PDT Sat May 1 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
7 PM PDT SUNDAY...

* WHAT...West to southwest winds 20 to 30 mph with gusts 50 mph. 
 
* WHERE...San Bernardino County Mountains, Apple and Lucerne
  Valleys and San Gorgonio Pass Near Banning.

* WHEN...From 2 PM Saturday to 7 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Areas of blowing sand and dust will reduce visibility 
  at times.

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
614 
WWUS76 KSGX 012034
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
134 PM PDT Sat May 1 2021

CAZ056-058-061-062-065-020445-
/O.CON.KSGX.WI.Y.0029.210501T2100Z-210503T0600Z/
Riverside County Mountains-San Diego County Mountains-
Coachella Valley-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Julian, Pine Valley, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta, 
Coachella, Borrego Springs, Banning, and Desert Hot Springs
134 PM PDT Sat May 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT SUNDAY...

* WHAT...West winds 25 to 35 mph with gusts to 55 mph. Gusts 65 
  mph expected through and below the San Gorgonio Pass.

* WHERE...Riverside County Mountains, San Diego County 
  Mountains, Coachella Valley, San Diego County Deserts.

* WHEN...From 2 PM this afternoon to 11 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Areas of blowing sand and dust will reduce visibility at times.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ055-060-020445-
/O.CON.KSGX.WI.Y.0029.210501T2100Z-210503T0200Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Victorville, 
Hesperia, and Apple Valley
134 PM PDT Sat May 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PDT SUNDAY...

* WHAT...West to southwest winds 20 to 30 mph with gusts 55 mph.

* WHERE...San Bernardino County Mountains, Apple and Lucerne 
  Valleys and San Gorgonio Pass Near Banning.

* WHEN...From 2 PM Saturday to 7 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Areas of blowing sand and dust will reduce visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

APR

For more information from the National Weather Service visit
http://weather.gov/sandiego
033 
WWUS76 KSGX 020420
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
920 PM PDT Sat May 1 2021

CAZ056-058-061-062-065-021230-
/O.CON.KSGX.WI.Y.0029.000000T0000Z-210503T0600Z/
Riverside County Mountains-San Diego County Mountains-
Coachella Valley-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Julian, Pine Valley, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta, 
Coachella, Borrego Springs, Banning, and Desert Hot Springs
920 PM PDT Sat May 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT SUNDAY...

* WHAT...West winds 25 to 35 mph with gusts to 55 mph. Gusts to 65
  mph expected through and below the San Gorgonio Pass.

* WHERE...Riverside County Mountains, San Diego County Mountains,
  San Gorgonio Pass, Coachella Valley, San Diego County Deserts.

* WHEN...Now through 11 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Areas of blowing sand and dust will reduce visibility 
  at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ055-060-021230-
/O.CON.KSGX.WI.Y.0029.000000T0000Z-210503T0200Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Victorville, 
Hesperia, and Apple Valley
920 PM PDT Sat May 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PDT SUNDAY...

* WHAT...West to southwest winds 20 to 30 mph with gusts to 50 
  mph.

* WHERE...San Bernardino County Mountains, Apple and Lucerne
  Valleys.

* WHEN...Now through 7 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Areas of blowing sand and dust will reduce visibility 
  at times.

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
333 
WWUS76 KSGX 021144
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
444 AM PDT Sun May 2 2021

CAZ056-058-061-062-065-022100-
/O.CON.KSGX.WI.Y.0029.000000T0000Z-210503T0600Z/
Riverside County Mountains-San Diego County Mountains-
Coachella Valley-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Julian, Pine Valley, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta, 
Coachella, Borrego Springs, Banning, and Desert Hot Springs
444 AM PDT Sun May 2 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WHAT...West winds 25 to 35 mph with gusts to 55 mph. Gusts to 
  65 mph expected through and below the San Gorgonio Pass.

* WHERE...Riverside County Mountains, San Diego County 
  Mountains, San Gorgonio Pass, Coachella Valley, San Diego 
  County Deserts.

* WHEN...Now through 11 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Areas of blowing sand and dust will reduce visibility at times.
  Patchy smoke is possible at times due to the Southern Fire in
  the San Diego County Mountains

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ055-060-022100-
/O.CON.KSGX.WI.Y.0029.000000T0000Z-210503T0200Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Victorville, 
Hesperia, and Apple Valley
444 AM PDT Sun May 2 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING...

* WHAT...West to southwest winds 20 to 30 mph with gusts to 50 
  mph.

* WHERE...San Bernardino County Mountains, Apple and Lucerne 
  Valleys.

* WHEN...Now through 7 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Areas of blowing sand and dust will reduce visibility 
  at times.

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
351 
WWUS76 KSGX 022046
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
146 PM PDT Sun May 2 2021

CAZ056-058-061-062-065-030500-
/O.CON.KSGX.WI.Y.0029.000000T0000Z-210503T0600Z/
Riverside County Mountains-San Diego County Mountains-
Coachella Valley-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Julian, Pine Valley, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta, 
Coachella, Borrego Springs, Banning, and Desert Hot Springs
146 PM PDT Sun May 2 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WHAT...West winds 25 to 35 mph with gusts to 50 mph. Gusts to 
  60 mph possible through and below the San Gorgonio Pass.

* WHERE...Riverside County Mountains, San Diego County 
  Mountains, San Gorgonio Pass, Coachella Valley, San Diego 
  County Deserts.

* WHEN...Now through 11 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Areas of blowing sand and dust will reduce visibility 
  at times. Patchy smoke is possible at times due to the 
  Southern Fire in the San Diego County Mountains.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ055-060-030200-
/O.CON.KSGX.WI.Y.0029.000000T0000Z-210503T0200Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Victorville, 
Hesperia, and Apple Valley
146 PM PDT Sun May 2 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING...

* WHAT...West to southwest winds 20 to 30 mph with gusts to 45 
  mph.

* WHERE...San Bernardino County Mountains, Apple and Lucerne 
  Valleys.

* WHEN...Now through 7 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Areas of blowing sand and dust will reduce visibility 
  at times.

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

Nearby

Wind Advisories in California, 2021Every wind 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.