Alert archive / California / High Wind Warnings in 2021
High Wind Warning 4, NWS San Diego, CA
NWS San Diego, CA issued this high wind warning at Feb 15, 2021, 12:39 PM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Feb 15, 2021, 1:00 PM PST. It was in force for 21 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 15, 2021, 12:39 PM PST (20:39 UTC)
- In effect from
- Feb 15, 2021, 1:00 PM PST
- Expired
- Feb 16, 2021, 10:00 AM PST
- In force
- 21 hr
- Issued by
- NWS San Diego, CA
Counties Riverside County, CA, San Bernardino County, CA, San Diego County, CA
The radar
The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 20:37 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, 8.7 hours before the alert went out and 145 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
- 1260 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 313 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
900 WWUS76 KSGX 152039 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 1239 PM PST Mon Feb 15 2021 CAZ056-058-061-062-160600- /O.UPG.KSGX.WI.Y.0007.210216T0000Z-210216T1900Z/ /O.NEW.KSGX.HW.W.0004.210216T0000Z-210216T1800Z/ Riverside County Mountains-San Diego County Mountains- Coachella Valley-San Diego County Deserts- Including the cities of Idyllwild-Pine Cove, Julian, Pine Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, and Borrego Springs 1239 PM PST Mon Feb 15 2021 ...HIGH WIND WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM PST TUESDAY... * WHAT...West winds 25 to 35 mph with gusts 50 to 65 mph expected. Local gusts of 75 mph are possible. * WHERE...Riverside County Mountains, San Diego County Mountains, Coachella Valley and San Diego County Deserts. * WHEN...From 4 PM this afternoon to 10 AM PST Tuesday. Strongest winds will be tonight. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ CAZ055-060-065-160600- /O.UPG.KSGX.WI.Y.0007.210215T2100Z-210216T1500Z/ /O.NEW.KSGX.HW.W.0004.210215T2100Z-210216T1500Z/ San Bernardino County Mountains-Apple and Lucerne Valleys- San Gorgonio Pass Near Banning- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Victorville, Hesperia, Apple Valley, Banning, and Desert Hot Springs 1239 PM PST Mon Feb 15 2021 ...HIGH WIND WARNING IN EFFECT UNTIL 7 AM PST TUESDAY... * WHAT...West winds 25 to 35 mph with gusts 45 to 60 mph expected. Local gusts of 70 mph are possible. * WHERE...San Bernardino County Mountains, Apple and Lucerne Valleys and San Gorgonio Pass Near Banning. * WHEN...Until 7 AM PST Tuesday. Strongest winds will be late this afternoon and this evening. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ Maxwell
3 follow-up statements
511 WWUS76 KSGX 160523 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 923 PM PST Mon Feb 15 2021 CAZ055-060-065-161330- /O.CON.KSGX.HW.W.0004.000000T0000Z-210216T1500Z/ San Bernardino County Mountains-Apple and Lucerne Valleys- San Gorgonio Pass Near Banning- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Victorville, Hesperia, Apple Valley, Banning, and Desert Hot Springs 923 PM PST Mon Feb 15 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM PST TUESDAY... * WHAT...West winds 25 to 35 mph with gusts 45 to 60 mph expected. Local gusts of 70 mph are possible. * WHERE...San Bernardino County Mountains, Apple and Lucerne Valleys and San Gorgonio Pass Near Banning. * WHEN...Until 7 AM PST Tuesday. Strongest winds will be tonight. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Patchy blowing dust may reduce visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ CAZ056-058-061-062-161330- /O.CON.KSGX.HW.W.0004.000000T0000Z-210216T1800Z/ Riverside County Mountains-San Diego County Mountains- Coachella Valley-San Diego County Deserts- Including the cities of Idyllwild-Pine Cove, Julian, Pine Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, and Borrego Springs 923 PM PST Mon Feb 15 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM PST TUESDAY... * WHAT...West winds 25 to 35 mph with gusts 50 to 65 mph expected. Local gusts of 75 mph are possible. * WHERE...Riverside County Mountains, San Diego County Mountains, Coachella Valley and San Diego County Deserts. * WHEN...Through 10 AM PST Tuesday. Strongest winds will be tonight. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Patchy blowing dust may reduce visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego
370 WWUS76 KSGX 161105 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 305 AM PST Tue Feb 16 2021 CAZ055-060-065-161500- /O.CON.KSGX.HW.W.0004.000000T0000Z-210216T1500Z/ San Bernardino County Mountains-Apple and Lucerne Valleys- San Gorgonio Pass Near Banning- Including the city of Desert Hot Springs 305 AM PST Tue Feb 16 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING... * WHAT...West winds 20 to 30 mph with gusts to 50 mph. * WHERE...Apple and Lucerne Valleys, San Gorgonio Pass Near Banning and San Bernardino County Mountains. * WHEN...Until 7 AM PST this morning. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ056-058-061-062-161800- /O.CON.KSGX.HW.W.0004.000000T0000Z-210216T1800Z/ Riverside County Mountains-San Diego County Mountains- Coachella Valley-San Diego County Deserts- Including the cities of Julian, La Quinta, and Borrego Springs 305 AM PST Tue Feb 16 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...West winds 15 to 25 mph with gusts to 50 mph. * WHERE...San Diego County Deserts, Coachella Valley, Riverside County Mountains and San Diego County Mountains. * WHEN...Until 10 AM PST this morning. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego 17
483 WWUS76 KSGX 161806 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 1006 AM PST Tue Feb 16 2021 CAZ056-058-061-062-161915- /O.EXP.KSGX.HW.W.0004.000000T0000Z-210216T1800Z/ Riverside County Mountains-San Diego County Mountains- Coachella Valley-San Diego County Deserts- Including the cities of Julian, La Quinta, and Borrego Springs 1006 AM PST Tue Feb 16 2021 ...HIGH WIND WARNING HAS EXPIRED... It will be breezy in the mountains and deserts this afternoon, but the wind speeds will remain below High Wind Warning levels. $$ Moede
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 2:30 AM PST | Small Craft Advisory | SGX | 55 hr |
Nearby
High Wind Warnings in California, 2021Every high wind warning 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.