Alert archive / California / Wind Advisories in 2021
Wind Advisory 127, NWS Los Angeles, CA
NWS Los Angeles, CA issued this wind advisory at Dec 26, 2021, 7:27 PM PST for Santa Barbara County, California. It took effect at Dec 27, 2021, 6:00 AM PST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Dec 26, 2021, 7:27 PM PST (03:27 UTC)
- In effect from
- Dec 27, 2021, 6:00 AM PST
- Expired
- Dec 27, 2021, 6:00 PM PST
- In force
- 12 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 03:27 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, 3.5 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
- 1115 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- -28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
154 WWUS76 KLOX 270327 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 727 PM PST Sun Dec 26 2021 CAZ037-038-051-271400- /O.NEW.KLOX.WI.Y.0127.211227T1400Z-211228T0200Z/ San Luis Obispo County Interior Valleys-Cuyama Valley- San Luis Obispo County Mountains- Including the cities of Paso Robles, Atascadero, Cuyama, and Black Mountain 727 PM PST Sun Dec 26 2021 ...WIND ADVISORY IN EFFECT FROM 6 AM TO 6 PM PST MONDAY... * 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 6 AM to 6 PM PST Monday. * 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. && $$ CAZ059-271400- /O.NEW.KLOX.WI.Y.0127.211227T1800Z-211228T0600Z/ Antelope Valley- Including the cities of Lancaster and Palmdale 727 PM PST Sun Dec 26 2021 ...WIND ADVISORY IN EFFECT FROM 10 AM TO 10 PM PST MONDAY... * WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph, except 25 to 40 mph with gusts to 55 mph in the foothills. * WHERE...Antelope Valley. * WHEN...From 10 AM to 10 PM PST Monday. * IMPACTS...Gusty winds and reduced visibility from blowing dust will make driving difficult. Major roadways that will likely be impacted by the strong winds include Highways 14 and 138. Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Gomberg
4 follow-up statements
859 WWUS76 KLOX 271035 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 235 AM PST Mon Dec 27 2021 CAZ037-038-051-271800- /O.CON.KLOX.WI.Y.0127.211227T1400Z-211228T0200Z/ San Luis Obispo County Interior Valleys-Cuyama Valley- San Luis Obispo County Mountains- Including the cities of Paso Robles, Atascadero, Cuyama, and Black Mountain 235 AM PST Mon Dec 27 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6 PM PST THIS EVENING... * 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 6 AM this morning to 6 PM PST this evening. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Major roadways that will likely be impacted by the strong winds include Highway 101 and State Routes 46, 58, and 166. 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. && $$ CAZ059-271800- /O.CON.KLOX.WI.Y.0127.211227T1800Z-211228T0600Z/ Antelope Valley- Including the cities of Lancaster and Palmdale 235 AM PST Mon Dec 27 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM PST THIS EVENING... * WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph, except 25 to 40 mph with gusts to 55 mph in the foothills. * WHERE...Antelope Valley. * WHEN...From 10 AM this morning to 10 PM PST this evening. * IMPACTS...Gusty winds and reduced visibility from blowing dust will make driving difficult. Major roadways that will likely be impacted by the strong winds include Highways 14 and 138. Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ044-045-088-271800- /O.NEW.KLOX.FZ.A.0005.211228T1000Z-211228T1700Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley- Including the cities of Santa Paula, Fillmore, Ojai, Piru, Thousand Oaks, Simi Valley, Moorpark, Newbury Park, Santa Clarita, Newhall, and Valencia 235 AM PST Mon Dec 27 2021 ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING... * WHAT...Sub-freezing temperatures between 28 and 32 degrees possible. * WHERE...Ventura County Interior Valleys, Ventura County Coastal Valleys and Santa Clarita Valley. * WHEN...From late tonight through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Plan for extra time to defrost vehicle windshields. && $$ Hall
493 WWUS76 KLOX 271805 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1005 AM PST Mon Dec 27 2021 CAZ037-038-051-280200- /O.CON.KLOX.WI.Y.0127.000000T0000Z-211228T0200Z/ San Luis Obispo County Interior Valleys-Cuyama Valley- San Luis Obispo County Mountains- Including the cities of Paso Robles, Atascadero, Cuyama, and Black Mountain 1005 AM PST Mon Dec 27 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...Southwest winds 20 to 30 mph with local gusts to 45 mph expected. Strongest winds in the mountains and foothills. * WHERE...San Luis Obispo County Interior Valleys, Cuyama Valley and San Luis Obispo County Mountains. * WHEN...Until 6 PM PST this evening. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Major roadways that will likely be impacted by the strong winds include Highway 101 and State Routes 46, 58, and 166. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ059-280200- /O.CON.KLOX.WI.Y.0127.000000T0000Z-211228T0600Z/ Antelope Valley- Including the cities of Lancaster and Palmdale 1005 AM PST Mon Dec 27 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph, strongest in the foothills. * WHERE...Antelope Valley. * WHEN...Until 10 PM PST this evening. * IMPACTS...Gusty winds and reduced visibility from blowing dust will make driving difficult. Major roadways that will likely be impacted by the strong winds include Highways 14 and 138. Gusty winds could blow around unsecured objects. 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. && $$ CAZ044-045-088-280200- /O.CON.KLOX.FZ.A.0005.211228T1000Z-211228T1700Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley- Including the cities of Santa Paula, Fillmore, Ojai, Piru, Thousand Oaks, Simi Valley, Moorpark, Newbury Park, Santa Clarita, Newhall, and Valencia 1005 AM PST Mon Dec 27 2021 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING... * WHAT...Sub-freezing temperatures between 28 and 32 degrees possible. Coldest in the Ojai Valley and near Malibu Canyon. * WHERE...Ventura County Interior Valleys, Ventura County Coastal Valleys and Santa Clarita Valley. * WHEN...From late tonight through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Plan for extra time to defrost vehicle windshields. && $$ MW
903 WWUS76 KLOX 272213 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 213 PM PST Mon Dec 27 2021 CAZ044-045-088-280200- /O.UPG.KLOX.FZ.A.0005.211228T1000Z-211228T1700Z/ /O.NEW.KLOX.FR.Y.0011.211228T0800Z-211228T1600Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley- Including the cities of Santa Paula, Fillmore, Ojai, Piru, Thousand Oaks, Simi Valley, Moorpark, Newbury Park, Santa Clarita, Newhall, and Valencia 213 PM PST Mon Dec 27 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM PST TUESDAY... * WHAT...Temperatures as low as 32 will result in frost formation. Isolated pockets of temperatures near 30 are possible in the Ojai Valley and near Malibu Canyon and Agoura. * WHERE...Ventura County Interior Valleys, Ventura County Coastal Valleys and Santa Clarita Valley. * WHEN...From midnight tonight to 8 AM PST Tuesday. * IMPACTS...Frost can damage sensitive plants and harm pets if left unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ CAZ046-547-280200- /O.NEW.KLOX.FR.Y.0011.211228T0800Z-211228T1600Z/ Santa Monica Mountains Recreational Area- Los Angeles County San Fernando Valley- Including the cities of Woodland Hills, Northridge, Burbank, and Universal City 213 PM PST Mon Dec 27 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM PST TUESDAY... * WHAT...Temperatures as low as 32 will result in frost formation. Isolated pockets of temperatures around 30 are possible. * WHERE...Santa Monica Mountains and San Fernando Valley. * WHEN...From midnight tonight to 8 AM PST Tuesday. * IMPACTS...Frost can damage sensitive plants and harm pets if left unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ CAZ037-038-051-280200- /O.CON.KLOX.WI.Y.0127.000000T0000Z-211228T0200Z/ San Luis Obispo County Interior Valleys-Cuyama Valley- San Luis Obispo County Mountains- Including the cities of Paso Robles, Atascadero, Cuyama, and Black Mountain 213 PM PST Mon Dec 27 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...Northwest winds 15 to 25 mph with gusts up to 45 mph. * WHERE...San Luis Obispo County Interior Valleys, Cuyama Valley and San Luis Obispo County Mountains. * WHEN...Until 6 PM PST this evening. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Major roadways that will likely be impacted by the strong winds include Highway 101 and State Routes 46, 58, and 166. 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. && $$ CAZ059-280200- /O.CON.KLOX.WI.Y.0127.000000T0000Z-211228T0600Z/ Antelope Valley- Including the cities of Lancaster and Palmdale 213 PM PST Mon Dec 27 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Southwest winds 25 to 30 mph with gusts up to 50 mph. * WHERE...Antelope Valley. * WHEN...Until 10 PM PST this evening. * IMPACTS...Gusty winds and reduced visibility from blowing dust will make driving difficult. Major roadways that will likely be impacted by the strong winds include Highways 14 and 138. Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MW
233 WWUS76 KLOX 280158 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 558 PM PST Mon Dec 27 2021 CAZ059-280300- /O.CAN.KLOX.WI.Y.0127.000000T0000Z-211228T0600Z/ Antelope Valley- Including the cities of Lancaster and Palmdale 558 PM PST Mon Dec 27 2021 ...WIND ADVISORY IS CANCELLED... Although gusty winds remain near the foothills, wind speeds have decreased across the advisory area. $$ CAZ037-038-051-280300- /O.EXP.KLOX.WI.Y.0127.000000T0000Z-211228T0200Z/ San Luis Obispo County Interior Valleys-Cuyama Valley- San Luis Obispo County Mountains- Including the cities of Paso Robles, Atascadero, Cuyama, and Black Mountain 558 PM PST Mon Dec 27 2021 ...WIND ADVISORY WILL EXPIRE AT 6 PM PST THIS EVENING... Wind speeds have decreased across the advisory area. $$ CAZ044>046-088-547-280800- /O.CON.KLOX.FR.Y.0011.211228T0800Z-211228T1600Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Monica Mountains Recreational Area-Santa Clarita Valley- Los Angeles County San Fernando Valley- Including the cities of Santa Paula, Fillmore, Ojai, Piru, Thousand Oaks, Simi Valley, Moorpark, Newbury Park, Santa Clarita, Newhall, Valencia, Woodland Hills, Northridge, Burbank, and Universal City 558 PM PST Mon Dec 27 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM PST TUESDAY... * WHAT...Temperatures as low as 32 will result in frost formation. Isolated pockets of temperatures near 30 are possible in the Ojai Valley and near Malibu Canyon and Agoura. * WHERE...Ventura County Interior Valleys, Ventura County Coastal Valleys and Santa Clarita Valley. * WHEN...From midnight tonight to 8 AM PST Tuesday. * IMPACTS...Frost can damage sensitive plants and harm pets if left unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Jackson
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 27, 2:35 AM PST | Freeze Watch | LOX | Los Angeles | 12 hr |
| Dec 27, 2:13 PM PST | Frost Advisory | LOX | Los Angeles | 18 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.