Alert archive / California / Wind Advisories in 2021
Wind Advisory 26, NWS Phoenix, AZ
NWS Phoenix, AZ issued this wind advisory at Dec 24, 2021, 12:37 PM PST for Imperial County, California. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Dec 24, 2021, 12:37 PM PST (20:37 UTC)
- Expired
- Dec 24, 2021, 8:34 PM PST
- In force
- 8 hr
- Issued by
- NWS Phoenix, AZ
County Imperial County, CA
The radar
The Yuma radar (KYUX), 90 km from the middle of the area, began a volume at 20:39 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, 8.6 hours before the alert went out and 173 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.
- Mixed-layer CAPE
- 10 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 461 m above ground
- 0-6 km bulk shear
- 96 kt
- 0-1 km storm-relative helicity
- 321 m²/s²
- 0-3 km storm-relative helicity
- 364 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
494 WWUS75 KPSR 242037 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 137 PM MST Fri Dec 24 2021 CAZ567-250100- /O.NEW.KPSR.WI.Y.0026.211224T2037Z-211225T0100Z/ Imperial Valley- Including the cities of El Centro, Calexico, Alamorio, and Brawley 1237 PM PST Fri Dec 24 2021 ...WIND ADVISORY IN EFFECT UNTIL 5 PM PST THIS AFTERNOON... * WHAT...West winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Imperial Valley. * WHEN...Until 5 PM PST this afternoon. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds this strong can make driving difficult, especially for high profile vehicles. In addition, strong winds over desert areas could result in briefly lowered visibilities to well under a mile at times in blowing dust or blowing sand. Use extra caution. && $$ CAZ562-566-250600- /O.NEW.KPSR.WI.Y.0026.211224T2037Z-211225T0700Z/ Imperial County Southwest-Imperial County West- Including the cities of Coolidge Springs, Salton City, Winona, Coyote Wells, Ocotillo, and Plaster City 1237 PM PST Fri Dec 24 2021 ...WIND ADVISORY IN EFFECT UNTIL 11 PM PST THIS EVENING... * WHAT...West winds 20 to 30 mph with gusts up to 55 mph. * WHERE...Southwest corner of Imperial County and Western Imperial County. * WHEN...Until 11 PM PST this evening. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. Minor tree damage possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds this strong can make driving difficult, especially for high profile vehicles. In addition, strong winds over desert areas could result in briefly lowered visibilities to well under a mile at times in blowing dust or blowing sand. Use extra caution. && $$
2 follow-up statements
809 WWUS75 KPSR 250102 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 602 PM MST Fri Dec 24 2021 CAZ567-250215- /O.EXP.KPSR.WI.Y.0026.000000T0000Z-211225T0100Z/ Imperial Valley- Including the cities of El Centro, Calexico, Alamorio, and Brawley 502 PM PST Fri Dec 24 2021 ...WIND ADVISORY HAS EXPIRED... Winds have subsided, though breezy conditions will continue this evening. $$ CAZ562-566-250700- /O.CON.KPSR.WI.Y.0026.000000T0000Z-211225T0700Z/ Imperial County Southwest-Imperial County West- Including the cities of Coolidge Springs, Salton City, Winona, Coyote Wells, Ocotillo, and Plaster City 502 PM PST Fri Dec 24 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PST THIS EVENING... * WHAT...West winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Southwest corner of Imperial County and Western Imperial County. * WHEN...Until 11 PM PST this evening. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds this strong can make driving difficult, especially for high profile vehicles. In addition, strong winds over desert areas could result in briefly lowered visibilities to well under a mile at times in blowing dust or blowing sand. Use extra caution. && $$
190 WWUS75 KPSR 250434 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 934 PM MST Fri Dec 24 2021 CAZ562-566-250545- /O.CAN.KPSR.WI.Y.0026.000000T0000Z-211225T0700Z/ Imperial County Southwest-Imperial County West- 834 PM PST Fri Dec 24 2021 ...WIND ADVISORY IS CANCELLED... Winds have subsided, though breezy conditions will continue this evening. $$
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.