Alert archive / California / Wind Advisories in 2021
Wind Advisory 126, NWS Los Angeles, CA
NWS Los Angeles, CA issued this wind advisory at Dec 24, 2021, 9:37 PM PST for Santa Barbara County, California. It took effect at Dec 25, 2021, 4:00 PM PST. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Dec 24, 2021, 9:37 PM PST (05:37 UTC)
- In effect from
- Dec 25, 2021, 4:00 PM PST
- Expired
- Dec 26, 2021, 9:09 AM PST
- In force
- 17 hr
- Issued by
- NWS Los Angeles, CA
County Santa Barbara County, CA
The radar
The Vandenberg AFB radar (KVBX), 47 km from the middle of the area, began a volume at 05:39 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, 5.6 hours before the alert went out and 326 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
- 856 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
577 WWUS76 KLOX 250537 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 937 PM PST Fri Dec 24 2021 CAZ037-038-051-251400- /O.NEW.KLOX.WI.Y.0126.211226T0000Z-211226T1200Z/ San Luis Obispo County Interior Valleys-Cuyama Valley- San Luis Obispo County Mountains- Including the cities of Paso Robles, Atascadero, Cuyama, and Black Mountain 937 PM PST Fri Dec 24 2021 ...WIND ADVISORY IN EFFECT FROM 4 PM SATURDAY TO 4 AM PST SUNDAY... * WHAT...Southwest winds 20 to 35 mph with gusts 40 to 50 mph expected. Strongest winds in the mountains and foothills. * WHERE...San Luis Obispo County Interior Valleys, Cuyama Valley and San Luis Obispo County Mountains. * WHEN...From 4 PM Saturday to 4 AM PST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Gomberg
5 follow-up statements
261 WWUS76 KLOX 251132 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 332 AM PST Sat Dec 25 2021 CAZ037-038-051-260200- /O.CON.KLOX.WI.Y.0126.211226T0000Z-211226T1200Z/ San Luis Obispo County Interior Valleys-Cuyama Valley- San Luis Obispo County Mountains- Including the cities of Paso Robles, Atascadero, Cuyama, and Black Mountain 332 AM PST Sat Dec 25 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST SUNDAY... * WHAT...Southwest winds 20 to 35 mph with gusts 40 to 50 mph expected. Strongest winds in the mountains and foothills. * WHERE...San Luis Obispo County Interior Valleys, Cuyama Valley and San Luis Obispo County Mountains. * WHEN...From 4 PM this afternoon to 4 AM PST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ASR
512 WWUS76 KLOX 252206 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 206 PM PST Sat Dec 25 2021 CAZ037-038-051-261200- /O.CON.KLOX.WI.Y.0126.211226T0000Z-211226T1200Z/ San Luis Obispo County Interior Valleys-Cuyama Valley- San Luis Obispo County Mountains- Including the cities of Paso Robles, Atascadero, Cuyama, and Black Mountain 206 PM PST Sat Dec 25 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY... * WHAT...Southwest winds 20 to 35 mph with gusts 40 to 50 mph expected. Strongest winds in the mountains and foothills. * WHERE...San Luis Obispo County Interior Valleys, Cuyama Valley and San Luis Obispo County Mountains. * WHEN...Until 4 AM PST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ASR/Sirard
166 WWUS76 KLOX 260045 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 445 PM PST Sat Dec 25 2021 CAZ059-261200- /O.EXB.KLOX.WI.Y.0126.000000T0000Z-211226T2000Z/ Antelope Valley- Including the cities of Lancaster and Palmdale 445 PM PST Sat Dec 25 2021 ...WIND ADVISORY IN EFFECT UNTIL NOON PST SUNDAY... * WHAT...Southwest winds 20 to 30 mph with gusts to 45 mph, except 25 to 40 mph with local gusts to 55 mph in the foothills. Winds becoming west late tonight into Sunday morning. * WHERE...Antelope Valley. * WHEN...Until noon PST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Major roadways that will be impacted by the strong winds include highways 14 and 138. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ037-038-051-261200- /O.CON.KLOX.WI.Y.0126.000000T0000Z-211226T1200Z/ San Luis Obispo County Interior Valleys-Cuyama Valley- San Luis Obispo County Mountains- Including the cities of Paso Robles, Atascadero, Cuyama, and Black Mountain 445 PM PST Sat Dec 25 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY... * WHAT...Southwest winds 20 to 35 mph with gusts 40 to 50 mph expected. Strongest winds in the mountains and foothills. * WHERE...San Luis Obispo County Interior Valleys, Cuyama Valley and San Luis Obispo County Mountains. * WHEN...Until 4 AM PST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Gomberg
442 WWUS76 KLOX 261156 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 356 AM PST Sun Dec 26 2021 CAZ037-038-051-261300- /O.CAN.KLOX.WI.Y.0126.000000T0000Z-211226T1200Z/ San Luis Obispo County Interior Valleys-Cuyama Valley- San Luis Obispo County Mountains- Including the cities of Paso Robles, Atascadero, Cuyama, and Black Mountain 356 AM PST Sun Dec 26 2021 ...WIND ADVISORY IS CANCELLED... The winds have subsided. $$ CAZ059-262000- /O.CON.KLOX.WI.Y.0126.000000T0000Z-211226T2000Z/ Antelope Valley- Including the cities of Lancaster and Palmdale 356 AM PST Sun Dec 26 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY... * WHAT...West winds 20 to 30 mph with gusts to 45 mph. Winds strongest in the foothills. * WHERE...Antelope Valley. * WHEN...Until noon PST today. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Major roadways that will be impacted by the strong winds include highways 14 and 138. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ASR ASR
979 WWUS76 KLOX 261709 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 909 AM PST Sun Dec 26 2021 CAZ059-261815- /O.CAN.KLOX.WI.Y.0126.000000T0000Z-211226T2000Z/ Antelope Valley- Including the cities of Lancaster and Palmdale 909 AM PST Sun Dec 26 2021 ...WIND ADVISORY IS CANCELLED... Although there will be gusty winds today, they are no longer expected to reach Advisory levels. As a result, the Wind Advisory has been cancelled. $$ Sirard
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 24, 9:13 PM PST | Small Craft Advisory | LOX | 59 hr | |
| Dec 24, 9:20 PM PST | Winter Storm Warning | LOX | 31 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.