Alert archive / California / Wind Advisories in 2021
Wind Advisory 19, NWS Phoenix, AZ
NWS Phoenix, AZ issued this wind advisory at Apr 25, 2021, 1:30 AM PDT for Imperial County, Riverside County, San Bernardino County, California. It took effect at Apr 25, 2021, 2:00 PM PDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Apr 25, 2021, 1:30 AM PDT (08:30 UTC)
- In effect from
- Apr 25, 2021, 2:00 PM PDT
- Expired
- Apr 26, 2021, 2:00 AM PDT
- In force
- 12 hr
- Issued by
- NWS Phoenix, AZ
Counties Imperial County, CA, Riverside County, CA, San Bernardino County, CA
The radar
The San Diego radar (KNKX), 154 km from the middle of the area, began a volume at 08:32 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, 8.5 hours before the alert went out and 174 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
- 969 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
083 WWUS75 KPSR 250830 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 130 AM MST Sun Apr 25 2021 CAZ560-562-563-566-568-252200- /O.NEW.KPSR.WI.Y.0019.210425T2100Z-210426T0900Z/ Joshua Tree NP West-Imperial County Southwest-Salton Sea- Imperial County West-Chiriaco Summit- Including the cities of Cottonwood Visitor, Lost Horse-Keys Village, Desert Shores, Coolidge Springs, Salton City, Winona, Coyote Wells, Ocotillo, Plaster City, and Chiriaco Summit 130 AM PDT Sun Apr 25 2021 ...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM PDT MONDAY... * WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Western portion of Joshua Tree National Park, Southwest corner of Imperial County, Salton Sea, Western Imperial County and Chiriaco Summit. * WHEN...From 2 PM this afternoon to 2 AM PDT Monday. * 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. && $$
2 follow-up statements
627 WWUS75 KPSR 251943 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 1243 PM MST Sun Apr 25 2021 CAZ560-562-563-566-568-260900- /O.CON.KPSR.WI.Y.0019.210425T2100Z-210426T0900Z/ Joshua Tree NP West-Imperial County Southwest-Salton Sea- Imperial County West-Chiriaco Summit- Including the cities of Cottonwood Visitor, Lost Horse-Keys Village, Desert Shores, Coolidge Springs, Salton City, Winona, Coyote Wells, Ocotillo, Plaster City, and Chiriaco Summit 1243 PM PDT Sun Apr 25 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT MONDAY... * WHAT...West winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Salton Sea, Southwest corner of Imperial County, Western portion of Joshua Tree National Park, Western Imperial County and Chiriaco Summit. * WHEN...Until 2 AM PDT Monday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds this strong can make driving difficult, especially for high profile vehicles. In addition, strong winds over desert areas could result in briefly lowered visibilities to well under a mile at times in blowing dust or blowing sand. Use extra caution. && $$
200 WWUS75 KPSR 260847 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 147 AM MST Mon Apr 26 2021 CAZ560-562-563-566-568-261000- /O.EXP.KPSR.WI.Y.0019.000000T0000Z-210426T0900Z/ Joshua Tree NP West-Imperial County Southwest-Salton Sea- Imperial County West-Chiriaco Summit- Including the cities of Cottonwood Visitor, Lost Horse-Keys Village, Desert Shores, Coolidge Springs, Salton City, Winona, Coyote Wells, Ocotillo, Plaster City, and Chiriaco Summit 147 AM PDT Mon Apr 26 2021 ...WIND ADVISORY WILL EXPIRE AT 2 AM PDT EARLY THIS MORNING... Wind speeds have dropped to below advisory levels. Breezy to gusty winds will still be possible today. $$
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.