Alert archive / California / Wind Advisories in 2021
Wind Advisory 24, NWS Phoenix, AZ
NWS Phoenix, AZ issued this wind advisory at Oct 25, 2021, 1:47 AM PDT for Imperial County, Riverside County, California. It took effect at Oct 25, 2021, 4:16 PM PDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Oct 25, 2021, 1:47 AM PDT (08:47 UTC)
- In effect from
- Oct 25, 2021, 4:16 PM PDT
- Expired
- Oct 26, 2021, 2:00 AM PDT
- In force
- 10 hr
- Issued by
- NWS Phoenix, AZ
Counties Imperial County, CA, Riverside County, CA
The radar
The San Diego radar (KNKX), 137 km from the middle of the area, began a volume at 08:51 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, 8.8 hours before the alert went out and 156 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1145 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
635 WWUS75 KPSR 250847 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 147 AM MST Mon Oct 25 2021 CAZ562-252100- /O.NEW.KPSR.WI.Y.0024.211026T0000Z-211026T0900Z/ Imperial County Southwest- 147 AM PDT Mon Oct 25 2021 ...WIND ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 AM PDT TUESDAY... * WHAT...West winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Southwest corner of Imperial County. * WHEN...From 5 PM this afternoon to 2 AM PDT Tuesday. * 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. && $$
6 follow-up statements
359 WWUS75 KPSR 251222 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 522 AM MST Mon Oct 25 2021 CAZ567-251500- /O.NEW.KPSR.FG.Y.0004.211025T1222Z-211025T1500Z/ Imperial Valley- Including the cities of El Centro, Calexico, Alamorio, and Brawley 522 AM PDT Mon Oct 25 2021 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM PDT THIS MORNING... * WHAT...Visibility a quarter mile or less in dense fog. * WHERE...Imperial Valley. * WHEN...Until 8 AM PDT this morning. * IMPACTS...Hazardous driving conditions due to low visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ CAZ562-260030- /O.CON.KPSR.WI.Y.0024.211026T0000Z-211026T0900Z/ Imperial County Southwest- 522 AM PDT Mon Oct 25 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 AM PDT TUESDAY... * WHAT...West winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Southwest corner of Imperial County. * WHEN...From 5 PM this afternoon to 2 AM PDT Tuesday. * 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. && $$
803 WWUS75 KPSR 251459 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 759 AM MST Mon Oct 25 2021 CAZ567-251600- /O.EXP.KPSR.FG.Y.0004.000000T0000Z-211025T1500Z/ Imperial Valley- Including the cities of El Centro, Calexico, Alamorio, and Brawley 759 AM PDT Mon Oct 25 2021 ...DENSE FOG ADVISORY WILL EXPIRE AT 8 AM PDT THIS MORNING... Visibility limitations continue to improve. Therefore, the Desnse Fog Advisory will expire. $$ CAZ562-260300- /O.CON.KPSR.WI.Y.0024.211026T0000Z-211026T0900Z/ Imperial County Southwest- 759 AM PDT Mon Oct 25 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 AM PDT TUESDAY... * WHAT...West winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Southwest corner of Imperial County. * WHEN...From 5 PM this afternoon to 2 AM PDT Tuesday. * 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. && $$
389 WWUS75 KPSR 252103 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 203 PM MST Mon Oct 25 2021 CAZ562-260900- /O.CON.KPSR.WI.Y.0024.211026T0000Z-211026T0900Z/ Imperial County Southwest- 203 PM PDT Mon Oct 25 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 AM PDT TUESDAY... * WHAT...West winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Southwest corner of Imperial County. * WHEN...From 5 PM this afternoon to 2 AM PDT Tuesday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds this strong can make driving difficult, especially for high profile vehicles. In addition, strong winds over desert areas could result in briefly lowered visibilities to well under a mile at times in blowing dust or blowing sand. Use extra caution. && $$
872 WWUS75 KPSR 252153 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 253 PM MST Mon Oct 25 2021 CAZ563>567-260400- /O.NEW.KPSR.DU.Y.0014.211025T2153Z-211026T0400Z/ Salton Sea-Chuckwalla Mountains-Imperial County Southeast- Imperial County West-Imperial Valley- Including the cities of Desert Shores, Imperial Hot Mineral Springs, Coolidge Springs, Salton City, Winona, Coyote Wells, Plaster City, El Centro, Calexico, Alamorio, and Brawley 253 PM PDT Mon Oct 25 2021 ...BLOWING DUST ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Areas with visibility between one quarter mile and one mile in blowing dust. * WHERE...Salton Sea, Chuckwalla Mountains, Southeastern Imperial County, Western Imperial County and Imperial Valley. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hazardous driving conditions due to reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be ready for a sudden drop in visibility. If you encounter blowing dust or blowing sand on the roadway or see it approaching, pull off the road as far as possible and put your vehicle in park. Turn the lights all the way off and keep your foot off the brake pedal. Remember, pull aside, stay alive. && $$ CAZ562-260900- /O.CON.KPSR.WI.Y.0024.211026T0000Z-211026T0900Z/ Imperial County Southwest- 253 PM PDT Mon Oct 25 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT TUESDAY... * WHAT...West winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Southwest corner of Imperial County. * WHEN...Until 2 AM PDT Tuesday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds this strong can make driving difficult, especially for high profile vehicles. In addition, strong winds over desert areas could result in briefly lowered visibilities to well under a mile at times in blowing dust or blowing sand. Use extra caution. && $$
422 WWUS75 KPSR 252316 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 416 PM MST Mon Oct 25 2021 CAZ563-566-567-260400- /O.EXB.KPSR.WI.Y.0024.211025T2316Z-211026T0200Z/ /O.CON.KPSR.DU.Y.0014.000000T0000Z-211026T0400Z/ Salton Sea-Imperial County West-Imperial Valley- Including the cities of Desert Shores, Coolidge Springs, Salton City, Winona, Coyote Wells, Plaster City, El Centro, Calexico, Alamorio, and Brawley 416 PM PDT Mon Oct 25 2021 ...WIND ADVISORY IN EFFECT UNTIL 7 PM PDT THIS EVENING... ...BLOWING DUST ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...For the Blowing Dust Advisory, visibility between one quarter mile and one mile in blowing dust. For the Wind Advisory, west winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Salton Sea, Western Imperial County and Imperial Valley. * WHEN...For the Blowing Dust Advisory, until 9 PM PDT this evening. For the Wind Advisory, until 7 PM PDT this evening. * 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be ready for a sudden drop in visibility. If you encounter blowing dust or blowing sand on the roadway or see it approaching, pull off the road as far as possible and put your vehicle in park. Turn the lights all the way off and keep your foot off the brake pedal. Remember, pull aside, stay alive. 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. && $$ CAZ562-260900- /O.EXT.KPSR.WI.Y.0024.211025T2316Z-211026T0900Z/ Imperial County Southwest- 416 PM PDT Mon Oct 25 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 2 AM PDT TUESDAY... * WHAT...West winds 20 to 30 mph with gusts up to 55 mph. * WHERE...Southwest corner of Imperial County. * WHEN...Until 2 AM PDT Tuesday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. Minor tree damage possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds this strong can make driving difficult, especially for high profile vehicles. In addition, strong winds over desert areas could result in briefly lowered visibilities to well under a mile at times in blowing dust or blowing sand. Use extra caution. && $$ CAZ564-565-260400- /O.CON.KPSR.DU.Y.0014.000000T0000Z-211026T0400Z/ Chuckwalla Mountains-Imperial County Southeast- Including the city of Imperial Hot Mineral Springs 416 PM PDT Mon Oct 25 2021 ...BLOWING DUST ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Visibility between one quarter mile and one mile in blowing dust. * WHERE...Southeastern Imperial County and Chuckwalla Mountains. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hazardous driving conditions due to reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be ready for a sudden drop in visibility. If you encounter blowing dust or blowing sand on the roadway or see it approaching, pull off the road as far as possible and put your vehicle in park. Turn the lights all the way off and keep your foot off the brake pedal. Remember, pull aside, stay alive. && $$
297 WWUS75 KPSR 260923 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 223 AM MST Tue Oct 26 2021 CAZ562-261030- /O.EXP.KPSR.WI.Y.0024.000000T0000Z-211026T0900Z/ Imperial County Southwest- 223 AM PDT Tue Oct 26 2021 ...WIND ADVISORY HAS EXPIRED... The Wind Advisory has been allowed to expire. However, gusty winds will remain possible this morning. $$
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 25, 5:22 AM PDT | Dense Fog Advisory | PSR | Imperial | 3 hr |
| Oct 25, 2:53 PM PDT | Blowing Dust Advisory | PSR | Imperial, Riverside | 6 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.