Alert archive / California / Wind Advisories in 2021
Wind Advisory 3, NWS Phoenix, AZ
NWS Phoenix, AZ issued this wind advisory at Feb 15, 2021, 1:43 AM PST for Imperial County, California. It took effect at Feb 15, 2021, 6:00 PM PST. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Feb 15, 2021, 1:43 AM PST (09:43 UTC)
- In effect from
- Feb 15, 2021, 6:00 PM PST
- Expired
- Feb 16, 2021, 11:00 AM PST
- In force
- 17 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 09:46 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, 9.7 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1803 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- -53 m²/s²
- 0-3 km storm-relative helicity
- -50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
177 WWUS75 KPSR 150943 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 243 AM MST Mon Feb 15 2021 CAZ562-152145- /O.NEW.KPSR.WI.Y.0003.210216T0500Z-210216T1900Z/ Imperial County Southwest- 143 AM PST Mon Feb 15 2021 ...WIND ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 11 AM PST TUESDAY... * WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Southwest corner of Imperial County. * WHEN...From 9 PM this evening to 11 AM PST 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. && $$
4 follow-up statements
130 WWUS75 KPSR 151939 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 1239 PM MST Mon Feb 15 2021 CAZ562-160745- /O.EXT.KPSR.WI.Y.0003.210216T0200Z-210216T1900Z/ Imperial County Southwest- 1139 AM PST Mon Feb 15 2021 ...WIND ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO 11 AM PST TUESDAY... * WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Southwest corner of Imperial County. * WHEN...From 6 PM this evening to 11 AM PST Tuesday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. Minor tree damage possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds this strong can make driving difficult, especially for high profile vehicles. In addition, strong winds over desert areas could result in briefly lowered visibilities to well under a mile at times in blowing dust or blowing sand. Use extra caution. && $$ AJ
314 WWUS75 KPSR 160411 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 911 PM MST Mon Feb 15 2021 CAZ562-161215- /O.CON.KPSR.WI.Y.0003.000000T0000Z-210216T1900Z/ Imperial County Southwest- 811 PM PST Mon Feb 15 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST TUESDAY... * WHAT...West winds 25 to 35 mph with gusts up to 55 mph. * WHERE...Southwest corner of Imperial County. * WHEN...Until 11 AM PST 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. && $$
779 WWUS75 KPSR 161006 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 306 AM MST Tue Feb 16 2021 CAZ562-161900- /O.CON.KPSR.WI.Y.0003.000000T0000Z-210216T1900Z/ Imperial County Southwest- 206 AM PST Tue Feb 16 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING... * WHAT...West winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Southwest corner of Imperial County. * WHEN...Until 11 AM PST this morning. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds this strong can make driving difficult, especially for high profile vehicles. In addition, strong winds over desert areas could result in briefly lowered visibilities to well under a mile at times in blowing dust or blowing sand. Use extra caution. && $$
130 WWUS75 KPSR 161833 NPWPSR URGENT - WEATHER MESSAGE National Weather Service Phoenix AZ 1133 AM MST Tue Feb 16 2021 CAZ562-161945- /O.EXP.KPSR.WI.Y.0003.000000T0000Z-210216T1900Z/ Imperial County Southwest- 1033 AM PST Tue Feb 16 2021 ...WIND ADVISORY WILL EXPIRE AT 11 AM PST THIS MORNING... Winds have subsided, but breezy conditions are still expected through 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.