Alert archive / California / Wind Advisories in 2021

Wind Advisory 32, NWS San Diego, CA

May 18, 2021Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this wind advisory at May 18, 2021, 1:29 PM PDT for Riverside County, San Bernardino County, San Diego County, California. It took effect at May 19, 2021, 11:00 AM PDT. It was in force for 60 hr.

The area

The counties it named.

The facts

Issued
May 18, 2021, 1:29 PM PDT (20:29 UTC)
In effect from
May 19, 2021, 11:00 AM PDT
Expired
May 21, 2021, 11:00 PM PDT
In force
60 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 20:33 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 2021-05-18Temperature 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, San Diego, CA at 12:00Z on 2021-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
497 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

313 
WWUS76 KSGX 182029
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
129 PM PDT Tue May 18 2021

CAZ055-056-058-060>062-065-190500-
/O.NEW.KSGX.WI.Y.0032.210519T1800Z-210522T0600Z/
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 Lake Arrowhead, Big Bear City, 
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 Tue May 18 2021

...WIND ADVISORY IN EFFECT FROM 11 AM WEDNESDAY TO 11 PM PDT
FRIDAY...

* WHAT...West winds 15 to 25 mph with gusts to 50 mph expected,
  strongest winds along and near the desert mountain slopes.

* 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 11 AM Wednesday to 11 PM PDT Friday.

* IMPACTS...Crosswinds could be dangerous for high profile
  vehicles. Patchy blowing dust and sand could lead to severe
  restrictions in visibility. Gusty winds could blow around
  unsecured objects.

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
10 follow-up statements
893 
WWUS76 KSGX 190413
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
913 PM PDT Tue May 18 2021

CAZ055-056-058-060>062-065-191300-
/O.CON.KSGX.WI.Y.0032.210519T1800Z-210522T0600Z/
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 Lake Arrowhead, Big Bear City, 
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
913 PM PDT Tue May 18 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO 11 PM 
FRIDAY...

* WHAT...West winds 20 to 30 mph with gusts to 50 mph expected, 
  strongest winds along and near the desert mountain slopes.

* 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 11 AM Wednesday to 11 PM Friday.

* IMPACTS...Crosswinds could be dangerous for high profile
  vehicles. Blowing dust and sand could lead to severe
  restrictions in visibility. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Moede
518 
WWUS76 KSGX 191038
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
338 AM PDT Wed May 19 2021

CAZ055-056-058-060>062-065-192230-
/O.CON.KSGX.WI.Y.0032.210519T1800Z-210522T0600Z/
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 Big Bear City, Big Bear Lake, Wrightwood,
Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta, 
Coachella, Borrego Springs, and Desert Hot Springs
338 AM PDT Wed May 19 2021

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

* WHAT...West winds 20 to 30 mph with gusts to 45 mph expected.
  Isolated gusts to 55 mph.

* WHERE...Mountains and deserts with the strongest winds along and
  near the desert slopes of the mountains.

* WHEN...From 11 AM this morning to 11 PM PDT Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  There will be areas of blowing dust and blowing sand in the
  deserts, sharply reducing 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

17
092 
WWUS76 KSGX 191910
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
1210 PM PDT Wed May 19 2021

CAZ055-056-058-060>062-065-200515-
/O.CON.KSGX.WI.Y.0032.000000T0000Z-210522T0600Z/
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 Big Bear City, Big Bear Lake, Wrightwood,
Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta, 
Coachella, Borrego Springs, and Desert Hot Springs
1210 PM PDT Wed May 19 2021

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

* WHAT...West winds 20 to 30 mph with gusts to 45 mph expected. 
  Isolated gusts to 55 mph.

* WHERE...Mountains and deserts with the strongest winds along 
  and near the desert slopes of the mountains.

* WHEN...Until 11 PM PDT Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. There will be areas of blowing dust and blowing sand 
  in the deserts, sharply reducing 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
897 
WWUS76 KSGX 192324
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
424 PM PDT Wed May 19 2021

CAZ055-056-058-060>062-065-201400-
/O.CON.KSGX.WI.Y.0032.000000T0000Z-210522T0600Z/
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 Big Bear City, Big Bear Lake, Wrightwood,
Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta, 
Coachella, Borrego Springs, and Desert Hot Springs
424 PM PDT Wed May 19 2021

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

* WHAT...West winds 20 to 30 mph with gusts to 45 mph, and with
  isolated gusts up to 55 mph at times.

* WHERE...Mountains and deserts with the strongest winds along 
  and near the desert slopes of the mountains.

* WHEN...Until 11 PM PDT Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. There will be areas of blowing dust and blowing sand 
  in the deserts, sharply reducing 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

jmb
392 
WWUS76 KSGX 200902
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
202 AM PDT Thu May 20 2021

CAZ055-056-058-060>062-065-202315-
/O.CON.KSGX.WI.Y.0032.000000T0000Z-210522T0600Z/
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 Big Bear City, Big Bear Lake, Wrightwood,
Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta, 
Coachella, Borrego Springs, and Desert Hot Springs
202 AM PDT Thu May 20 2021

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

* WHAT...West winds 20 to 30 mph with gusts to 45 mph. Isolated
  gusts to 55 mph.

* WHERE...Mountains and deserts with the strongest gusts along the
  desert slopes of the mountains.

* WHEN...Until 11 PM PDT Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. There will be areas of blowing dust and blowing sand 
  in the deserts, sharply reducing 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

17
923 
WWUS76 KSGX 202007
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
107 PM PDT Thu May 20 2021

CAZ055-056-058-060>062-065-210515-
/O.CON.KSGX.WI.Y.0032.000000T0000Z-210522T0600Z/
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 Big Bear City, Big Bear Lake, Wrightwood,
Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta, 
Coachella, Borrego Springs, and Desert Hot Springs
107 PM PDT Thu May 20 2021

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

* WHAT...West winds 20 to 30 mph with gusts to 45 mph. Isolated 
  gusts to 55 mph.

* WHERE...Mountains and deserts with the strongest gusts along 
  the desert slopes of the mountains.

* WHEN...Until 11 PM PDT Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. There will be areas of blowing dust and blowing sand 
  in the deserts, sharply reducing 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
780 
WWUS76 KSGX 210359
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
859 PM PDT Thu May 20 2021

CAZ055-056-058-060>062-065-211300-
/O.CON.KSGX.WI.Y.0032.000000T0000Z-210522T0600Z/
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 Big Bear City, Big Bear Lake, Wrightwood,
Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta, 
Coachella, Borrego Springs, and Desert Hot Springs
859 PM PDT Thu May 20 2021

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

* WHAT...West winds 20 to 30 mph with gusts to 45 mph. Isolated 
  gusts to 55 mph.

* WHERE...Mountains and deserts with the strongest gusts along 
  the desert slopes of the mountains.

* WHEN...Until 11 PM PDT Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. There will be areas of blowing dust and blowing sand 
  in the deserts, sharply reducing 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

jmb
781 
WWUS76 KSGX 211002
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
302 AM PDT Fri May 21 2021

CAZ055-056-058-060>062-065-212115-
/O.CON.KSGX.WI.Y.0032.000000T0000Z-210522T0600Z/
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 Big Bear City, Big Bear Lake, Wrightwood,
Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta, 
Coachella, Borrego Springs, and Desert Hot Springs
302 AM PDT Fri May 21 2021

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

* WHAT...West winds 20 to 30 mph with gusts to 45 mph. Isolated 
  gusts to 55 mph.

* WHERE...Mountains and deserts with the strongest gusts along 
  the desert slopes of the mountains.

* WHEN...Until 11 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. There will be areas of blowing dust and blowing sand 
  in the deserts, sharply reducing visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
280 
WWUS76 KSGX 212023
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
123 PM PDT Fri May 21 2021

CAZ055-056-058-060>062-065-220600-
/O.CON.KSGX.WI.Y.0032.000000T0000Z-210522T0600Z/
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 Big Bear City, Big Bear Lake, Wrightwood,
Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta, 
Coachella, Borrego Springs, and Desert Hot Springs
123 PM PDT Fri May 21 2021

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

* WHAT...West winds 20 to 30 mph with gusts to 45 mph. Isolated 
  gusts to 55 mph.

* WHERE...Mountains and deserts with the strongest gusts along 
  the desert slopes of the mountains.

* WHEN...Until 11 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. There will be areas of blowing dust and blowing sand 
  in the deserts, sharply reducing 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
708 
WWUS76 KSGX 220546
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
1046 PM PDT Fri May 21 2021

CAZ055-056-058-060>062-065-220700-
/O.EXP.KSGX.WI.Y.0032.000000T0000Z-210522T0600Z/
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 Big Bear City, Big Bear Lake, Wrightwood,
Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta, 
Coachella, Borrego Springs, and Desert Hot Springs
1046 PM PDT Fri May 21 2021

...WIND ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING...

Winds in the mountains and deserts will continue to weaken this
evening. The Wind Advisory will be allowed to expire at 11 PM.

$$

SS

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
May 18, 12:46 PM PDTSmall Craft AdvisorySGX4 days

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.