Alert archive / California / Wind Advisories in 2021

Wind Advisory 26, NWS San Diego, CA

April 20, 2021Riverside County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Apr 20, 2021, 3:44 AM PDT for Riverside County, San Diego County, California. It took effect at Apr 20, 2021, 6:00 PM PDT. It was in force for 35 hr.

The area

The counties it named.

The facts

Issued
Apr 20, 2021, 3:44 AM PDT (10:44 UTC)
In effect from
Apr 20, 2021, 6:00 PM PDT
Expired
Apr 22, 2021, 5:00 AM PDT
In force
35 hr
Issued by
NWS San Diego, CA

Counties Riverside County, CA, San Diego County, CA

The radar

The San Diego radar (KNKX), 80 km from the middle of the area, began a volume at 10:45 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 00:00Z, 10.7 hours before the alert went out and 100 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 2021-04-20Temperature 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 00:00Z on 2021-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
3845 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

230 
WWUS76 KSGX 201044
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
344 AM PDT Tue Apr 20 2021

CAZ062-065-202300-
/O.NEW.KSGX.WI.Y.0026.210421T0100Z-210422T0500Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Borrego Springs and Desert Hot Springs
344 AM PDT Tue Apr 20 2021

...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 10 PM PDT
WEDNESDAY...

* WHAT...West winds 25 to 35 mph with gusts to 55 mph expected.

* WHERE...San Diego County Deserts and San Gorgonio Pass Near 
  Banning.

* WHEN...From 6 PM this evening to 10 PM PDT Wednesday.

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

* ADDITIONAL DETAILS...There will be a round of stronger winds
  late tonight and again for Wednesday afternoon and evening.

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
6 follow-up statements
798 
WWUS76 KSGX 202022
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
122 PM PDT Tue Apr 20 2021

CAZ062-065-210500-
/O.CON.KSGX.WI.Y.0026.210421T0100Z-210422T0500Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Borrego Springs and Desert Hot Springs
122 PM PDT Tue Apr 20 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
10 PM PDT WEDNESDAY...

* WHAT...West winds 25 to 35 mph with gusts to 55 mph expected.
  Local Gusts to 65 mph through and below the San Gorgonio Pass. 
 
* WHERE...San Diego County Deserts and San Gorgonio Pass Near 
  Banning.

* WHEN...From 6 PM this evening to 10 PM PDT Wednesday.

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

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
098 
WWUS76 KSGX 210340
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
840 PM PDT Tue Apr 20 2021

CAZ062-065-211300-
/O.CON.KSGX.WI.Y.0026.000000T0000Z-210422T0500Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Borrego Springs and Desert Hot Springs
840 PM PDT Tue Apr 20 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM WEDNESDAY...

* WHAT...West winds 25 to 35 mph with gusts to 55 mph, strongest
  Wednesday afternoon and evening, with gusts to 65 mph through 
  and below the San Gorgonio Pass into the northern Coachella 
  Valley.

* WHERE...San Diego County Deserts and San Gorgonio Pass Near 
  Banning.

* WHEN...Through 10 PM Wednesday.

* IMPACTS...Gusty winds blowing around unsecured objects. Tree
  limbs could be blown down. Power outages may result. Blowing
  dust and sand reducing visibility in the northern Coachella
  Valley east of Whitewater.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Moede
680 
WWUS76 KSGX 210941
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
241 AM PDT Wed Apr 21 2021

CAZ062-065-212245-
/O.CON.KSGX.WI.Y.0026.000000T0000Z-210422T0500Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Borrego Springs and Desert Hot Springs
241 AM PDT Wed Apr 21 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

* WHAT...West winds 25 to 35 mph with gusts to 55 mph. Isolated
  gusts to 65 mph.

* WHERE...San Diego County Deserts and San Gorgonio Pass Near 
  Banning.

* WHEN...Until 10 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. Areas of blowing dust and sand will locally reduce 
  visibility.

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
078 
WWUS76 KSGX 212039
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
139 PM PDT Wed Apr 21 2021

CAZ062-065-220500-
/O.CON.KSGX.WI.Y.0026.000000T0000Z-210422T0500Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Borrego Springs and Desert Hot Springs
139 PM PDT Wed Apr 21 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

* WHAT...West winds 25 to 35 mph with gusts to 55 mph. Isolated 
  gusts to 65 mph below passes.

* WHERE...San Diego County Deserts and San Gorgonio Pass Near 
  Banning.

* WHEN...Until 10 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. Areas of blowing dust and sand will locally reduce 
  visibility.

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
545 
WWUS76 KSGX 220021
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
521 PM PDT Wed Apr 21 2021

CAZ062-065-220830-
/O.NEW.KSGX.DU.Y.0001.210422T0021Z-210422T0300Z/
/O.EXT.KSGX.WI.Y.0026.000000T0000Z-210422T1200Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Borrego Springs, Banning, 
and Desert Hot Springs
521 PM PDT Wed Apr 21 2021

...BLOWING DUST ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING...
...WIND ADVISORY NOW IN EFFECT UNTIL 5 AM PDT THURSDAY...

* WHAT...For the Blowing Dust Advisory, visibility between one
  quarter mile and one mile in blowing dust. For the Wind
  Advisory, west winds 25 to 35 mph with gusts to 55 mph.

* WHERE...San Diego County Deserts and San Gorgonio Pass Near 
  Banning.

* WHEN...For the Blowing Dust Advisory, until 8 PM PDT this 
  evening. For the Wind Advisory, until 5 AM PDT Thursday.

* IMPACTS...Hazardous driving conditions due to reduced
  visibility. Difficult driving conditions, especially for larger
  vehicles traveling along roads with crosswinds. Light, unsecured
  objects may become airborne. Minor tree damage possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not drive into an area of blowing dust.
Remember, Pull Aside, Stay Alive.

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

&&

$$

CAZ061-220300-
/O.NEW.KSGX.DU.Y.0001.210422T0021Z-210422T0300Z/
Coachella Valley-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, and Coachella
521 PM PDT Wed Apr 21 2021

...BLOWING DUST ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...Visibility between one quarter mile and one mile in 
  blowing dust in areas with wind gusts to 45 mph.

* WHERE...Coachella Valley, especially along and east of
  Interstate 10.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Hazardous driving conditions due to reduced
  visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not drive into an area of blowing dust.
Remember, Pull Aside, Stay Alive.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego
959 
WWUS76 KSGX 220447
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
947 PM PDT Wed Apr 21 2021

CAZ062-065-221200-
/O.CON.KSGX.WI.Y.0026.000000T0000Z-210422T1200Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Borrego Springs, Banning, 
and Desert Hot Springs
947 PM PDT Wed Apr 21 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT THURSDAY...

* WHAT...West winds 25 to 35 mph with gusts to 55 mph.

* WHERE...San Diego County Deserts and San Gorgonio Pass Near 
  Banning.

* WHEN...Until 5 AM PDT Thursday.

* IMPACTS...Hazardous driving conditions due to reduced 
  visibility. Difficult driving conditions, especially for 
  larger vehicles traveling along roads with crosswinds. Light, 
  unsecured objects may become airborne. Minor tree damage 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not drive into an area of blowing dust.
Remember, Pull Aside, Stay Alive.

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.