Alert archive / California / Wind Advisories in 2021
Wind Advisory 42, NWS San Diego, CA
NWS San Diego, CA issued this wind advisory at Dec 26, 2021, 3:25 AM PST for Riverside County, San Bernardino County, San Diego County, California. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Dec 26, 2021, 3:25 AM PST (11:25 UTC)
- Expired
- Dec 26, 2021, 12:00 PM PST
- In force
- 9 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 11:25 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, 11.4 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
- 19 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 693 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 207 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
745 WWUS76 KSGX 261125 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 325 AM PST Sun Dec 26 2021 CAZ056-058-060-062-065-262000- /O.NEW.KSGX.WI.Y.0042.211226T1125Z-211226T2000Z/ Riverside County Mountains-San Diego County Mountains- Apple and Lucerne Valleys-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Julian, Victorville, Hesperia, Apple Valley, and Desert Hot Springs 325 AM PST Sun Dec 26 2021 ...WIND ADVISORY IN EFFECT UNTIL NOON PST TODAY... * WHAT...West winds 20 to 30 mph with gusts to 55 mph. * WHERE...Riverside County Mountains, San Diego County Mountains, Apple and Lucerne Valleys, San Diego County Deserts and San Gorgonio Pass Near Banning. * WHEN...Until noon PST today. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds along and near the desert slopes of the mountains. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego 17
1 follow-up statement
860 WWUS76 KSGX 262003 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 1203 PM PST Sun Dec 26 2021 CAZ060-062-065-270615- /O.EXP.KSGX.WI.Y.0042.000000T0000Z-211226T2000Z/ /O.NEW.KSGX.HW.W.0011.211227T2000Z-211228T1100Z/ Apple and Lucerne Valleys-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Victorville, Hesperia, Apple Valley, Borrego Springs, Banning, and Desert Hot Springs 1203 PM PST Sun Dec 26 2021 ...HIGH WIND WARNING IN EFFECT FROM NOON MONDAY TO 3 AM PST TUESDAY... ...WIND ADVISORY WILL EXPIRE AT NOON PST TODAY... * WHAT...Areas of west to southwest winds 20 to 40 mph with gusts to 70 mph expected. * WHERE...Apple and Lucerne Valleys, San Diego County Deserts and San Gorgonio Pass Near Banning. * WHEN...From noon Monday to 3 AM PST Tuesday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Strongest winds will be near the foothills of the mountains and through San Gorgonio Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution if you must drive. Secure loose objects. && $$ CAZ056-058-262115- /O.EXP.KSGX.WI.Y.0042.000000T0000Z-211226T2000Z/ Riverside County Mountains-San Diego County Mountains- Including the city of Julian 1203 PM PST Sun Dec 26 2021 ...WIND ADVISORY WILL EXPIRE AT NOON PST TODAY... Winds will continue to decrease today, though they will increase again Monday with the arrival of the next winter storm. $$ CAZ061-270615- /O.NEW.KSGX.HW.W.0011.211227T2000Z-211228T1100Z/ Coachella Valley- Including the cities of Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, and Coachella 1203 PM PST Sun Dec 26 2021 ...HIGH WIND WARNING IN EFFECT FROM NOON MONDAY TO 3 AM PST TUESDAY... * WHAT...Areas of west winds 15 to 35 mph with gusts to 60 mph expected. * WHERE...Coachella Valley. * WHEN...From noon Monday to 3 AM PST Tuesday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Winds will be quite variable over short distances with calm or even easterly winds adjacent to locations receiving strong west winds. Strongest winds will be north of Interstate 10. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution if you must drive. Secure loose objects. && $$ Maxwell
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 26, 12:58 AM PST | Areal Flood Advisory | SGX | Orange, Riverside, San Bernardino | 3 hr |
| Dec 26, 2:33 AM PST | Gale Watch | SGX | 11 hr | |
| Dec 26, 12:03 PM PST | High Wind Warning | SGX | Riverside, San Bernardino, San Diego | 32 hr |
| Dec 26, 1:40 PM PST | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 37 hr |
| Dec 26, 1:42 PM PST | Gale Warning | SGX | 30 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.