Alert archive / California / Wind Advisories in 2021

Wind Advisory 30, NWS San Diego, CA

May 6, 2021Riverside County, San Diego County, California

NWS San Diego, CA issued this wind advisory at May 6, 2021, 1:12 PM PDT for Riverside County, San Diego County, California. It took effect at May 7, 2021, 2:00 PM PDT. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
May 6, 2021, 1:12 PM PDT (20:12 UTC)
In effect from
May 7, 2021, 2:00 PM PDT
Expired
May 8, 2021, 7:00 AM PDT
In force
17 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 20:09 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, 8.2 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 12:00Z on 2021-05-06Temperature 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 2021-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
1035 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

038 
WWUS76 KSGX 062012
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
112 PM PDT Thu May 6 2021

CAZ062-065-071400-
/O.NEW.KSGX.WI.Y.0030.210507T2100Z-210508T1400Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Borrego Springs, Banning, 
and Desert Hot Springs
112 PM PDT Thu May 6 2021

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

* WHAT...West winds 20 to 30 mph with gusts 50 to 55 mph 
  expected in some areas.

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

* WHEN...From 2 PM Friday to 7 AM PDT Saturday.

* 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 reduce visibilities to
  around 3 miles 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
4 follow-up statements
683 
WWUS76 KSGX 071314
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
614 AM PDT Fri May 7 2021

CAZ062-065-080000-
/O.CON.KSGX.WI.Y.0030.210507T2100Z-210508T1400Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Borrego Springs, Banning, 
and Desert Hot Springs
614 AM PDT Fri May 7 2021

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

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

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

* WHEN...From 2 PM Friday to 7 AM PDT Saturday.

* 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 could limit visibility at times. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

jmb
508 
WWUS76 KSGX 072104
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
204 PM PDT Fri May 7 2021

CAZ062-065-080600-
/O.CON.KSGX.WI.Y.0030.000000T0000Z-210508T1400Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Borrego Springs, Banning, 
and Desert Hot Springs
204 PM PDT Fri May 7 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PDT SATURDAY...

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

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

* WHEN...From 2 PM Friday to 7 AM PDT Saturday.

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

* ADDITIONAL DETAILS...The gusty winds could cause blowing dust 
  and sand in the deserts, which will limit 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

jmb
322 
WWUS76 KSGX 080456
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
956 PM PDT Fri May 7 2021

CAZ062-065-081300-
/O.CON.KSGX.WI.Y.0030.000000T0000Z-210508T1400Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Borrego Springs, Banning, 
and Desert Hot Springs
956 PM PDT Fri May 7 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PDT SATURDAY...

* WHAT...West winds 20 to 35 mph with gusts around 55 mph.

* WHERE...San Diego County Deserts and San Gorgonio Pass Near
  Banning. Strongest winds through and below the Passes.

* WHEN...Through 7 AM PDT Saturday.

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

* ADDITIONAL DETAILS...The gusty winds could cause blowing dust 
  and sand in the deserts, which will limit 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
069 
WWUS76 KSGX 081207
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
507 AM PDT Sat May 8 2021

CAZ062-065-081400-
/O.CON.KSGX.WI.Y.0030.000000T0000Z-210508T1400Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Borrego Springs, Banning, 
and Desert Hot Springs
507 AM PDT Sat May 8 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PDT THIS MORNING...

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

* WHERE...San Diego County Deserts and San Gorgonio Pass Near 
  Banning. Strongest winds through and below the Passes.

* WHEN...Through 7 AM PDT Saturday.

* 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

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.