Alert archive / California / Wind Advisories in 2021

Wind Advisory 13, NWS San Diego, CA

March 3, 2021Orange County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Mar 3, 2021, 3:00 AM PST for Orange County, San Diego County, California. It took effect at Mar 3, 2021, 8:00 AM PST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Mar 3, 2021, 3:00 AM PST (11:00 UTC)
In effect from
Mar 3, 2021, 8:00 AM PST
Expired
Mar 3, 2021, 10:00 PM PST
In force
14 hr
Issued by
NWS San Diego, CA

Counties Orange County, CA, San Diego County, CA

The radar

The San Diego radar (KNKX), 53 km from the middle of the area, began a volume at 11:00 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, 11.0 hours before the alert went out and 62 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 2021-03-03Temperature 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 2021-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939587897Sfc1 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
3832 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

106 
WWUS76 KSGX 031100
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
300 AM PST Wed Mar 3 2021

CAZ043-050-552-032200-
/O.NEW.KSGX.WI.Y.0013.210303T1600Z-210303T2200Z/
San Diego County Coastal Areas-San Diego County Valleys-
Orange County Coastal Areas-
Including the cities of Vista, Carlsbad, Encinitas, Chula Vista, 
National City, San Diego, Escondido, El Cajon, San Marcos, 
La Mesa, Santee, and Poway
300 AM PST Wed Mar 3 2021

...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 2 PM PST
THIS AFTERNOON...

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

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

* WHEN...From 8 AM this morning to 2 PM PST this afternoon.

* 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.

&&

$$

CAZ062-032300-
/O.NEW.KSGX.WI.Y.0013.210303T2000Z-210304T0600Z/
San Diego County Deserts-
300 AM PST Wed Mar 3 2021

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM PST THIS
EVENING...

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

* WHERE...San Diego County Deserts.

* WHEN...From noon today to 10 PM PST 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
2 follow-up statements
664 
WWUS76 KSGX 032150
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
150 PM PST Wed Mar 3 2021

CAZ043-050-552-032300-
/O.EXP.KSGX.WI.Y.0013.000000T0000Z-210303T2200Z/
San Diego County Coastal Areas-San Diego County Valleys-
Orange County Coastal Areas-
Including the cities of Vista, Carlsbad, Encinitas, Chula Vista, 
National City, San Diego, Escondido, El Cajon, San Marcos, 
La Mesa, Santee, and Poway
150 PM PST Wed Mar 3 2021

...WIND ADVISORY WILL EXPIRE AT 2 PM PST THIS AFTERNOON...

Winds have subsided across the area. Therefore the Wind Advisory 
will be allowed to expire at 2 PM. 

$$

CAZ062-040600-
/O.CON.KSGX.WI.Y.0013.000000T0000Z-210304T0600Z/
San Diego County Deserts-
150 PM PST Wed Mar 3 2021

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

* WHAT...West winds 20 to 30 mph with gusts 40 to 55 mph 
  expected.

* WHERE...San Diego County Deserts.

* WHEN...Through 10 PM PST 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.

&&

$$

CO

For more information from the National Weather Service visit
http://weather.gov/sandiego
116 
WWUS76 KSGX 040538
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
938 PM PST Wed Mar 3 2021

CAZ062-040645-
/O.EXP.KSGX.WI.Y.0013.000000T0000Z-210304T0600Z/
San Diego County Deserts-
938 PM PST Wed Mar 3 2021

...WIND ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING...

Southwest winds will gradually diminish overnight, though local 
gusts over 40 MPH could continue through midnight on the desert 
mountain slopes, including along Interstate 8.

$$

Maxwell

The office that day

Everything else NWS San Diego, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 3, 9:51 AM PSTBeach Hazards StatementSGXOrange, San Diego8 hr
Mar 3, 12:05 PM PSTAreal Flood AdvisorySGXSan Diego3 hr

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.