Alert archive / California / Winter Storm Warnings in 2021
Winter Storm Warning 7, NWS Los Angeles, CA
NWS Los Angeles, CA issued this winter storm warning at Dec 26, 2021, 2:19 PM PST. It took effect at Dec 27, 2021, 6:00 AM PST. It was in force for 16 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
- Dec 26, 2021, 2:19 PM PST (22:19 UTC)
- In effect from
- Dec 27, 2021, 6:00 AM PST
- Expired
- Dec 27, 2021, 10:00 PM PST
- In force
- 16 hr
- Issued by
- NWS Los Angeles, CA
The text
As transmitted.
412 WWUS46 KLOX 262219 WSWLOX URGENT - WINTER WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 219 PM PST Sun Dec 26 2021 CAZ052-270630- /O.UPG.KLOX.WS.A.0007.211227T1200Z-211228T1200Z/ /O.NEW.KLOX.WS.W.0007.211227T1400Z-211228T0600Z/ Santa Barbara County Mountains- Including the cities of San Marcos Pass, San Rafael Wilderness Area, and Dick Smith Wilderness Area 219 PM PST Sun Dec 26 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 10 PM PST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of up to 10 inches above 5000 feet, with lighter accumulations of 2 to 4 inches possible between 4000 and 5000 feet. Winds gusting as high as 40 mph. * WHERE...Santa Barbara County Mountains. * WHEN...From 6 AM to 10 PM PST Monday. * IMPACTS...Heavy snow, gusty winds, low visibilities in blowing snow and icy roads will make for dangerous driving conditions at higher elevations. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. && $$ CAZ053-054-270630- /O.UPG.KLOX.WS.A.0007.211227T1200Z-211228T1200Z/ /O.NEW.KLOX.WS.W.0007.211227T1700Z-211228T0600Z/ Ventura County Mountains- Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Lockwood Valley, Mount Pinos, Acton, Mount Wilson, and Sandberg 219 PM PST Sun Dec 26 2021 ...WINTER STORM WARNING IN EFFECT FROM 9 AM TO 10 PM PST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations 6 to 10 inches above 5000 feet, with lighter accumulations of 2 to 4 inches possible between 4000 and 5000 feet. Winds gusting as high as 50 mph. * WHERE...Ventura County Mountains and Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...From 9 AM to 10 PM PST Monday. * IMPACTS...Travel will likely be very difficult in the mountains with significant delays and possible road closures. Snow will likely lower to pass level Monday morning and again Monday evening, with a couple inches of snow accumulation possible along Interstate 5 near the Grapevine. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. && $$ Sirard
4 follow-up statements
285 WWUS46 KLOX 270334 WSWLOX URGENT - WINTER WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 734 PM PST Sun Dec 26 2021 CAZ052-271330- /O.CON.KLOX.WS.W.0007.211227T1400Z-211228T0600Z/ Santa Barbara County Mountains- Including the cities of San Marcos Pass, San Rafael Wilderness Area, and Dick Smith Wilderness Area 734 PM PST Sun Dec 26 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 10 PM PST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of up to 10 inches above 5000 feet, with lighter accumulations of 2 to 4 inches possible between 4000 and 5000 feet. Winds gusting as high as 50 mph. * WHERE...Santa Barbara County Mountains. * WHEN...From 6 AM to 10 PM PST Monday. * IMPACTS...Heavy snow, gusty winds, low visibilities in blowing snow and icy roads will make for dangerous driving conditions at higher elevations. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. && $$ CAZ053-054-271330- /O.CON.KLOX.WS.W.0007.211227T1700Z-211228T0600Z/ Ventura County Mountains- Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Lockwood Valley, Mount Pinos, Acton, Mount Wilson, and Sandberg 734 PM PST Sun Dec 26 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM TO 10 PM PST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations 6 to 10 inches above 5000 feet, with lighter accumulations of 2 to 4 inches possible between 4000 and 5000 feet. Southwest winds gusting 50 to 60 mph will likely cause reduced visibilities in blowing snow. * WHERE...Ventura County Mountains and Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...From 9 AM to 10 PM PST Monday. * IMPACTS...Travel will likely be very difficult in the mountains with significant delays and possible road closures. Snow will likely lower to pass level Monday morning and again Monday evening, with a couple inches of snow accumulation possible along Interstate 5 near the Grapevine. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. && $$ Gomberg/Sirard
036 WWUS46 KLOX 271331 WSWLOX URGENT - WINTER WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 531 AM PST Mon Dec 27 2021 CAZ052-271700- /O.CON.KLOX.WS.W.0007.211227T1400Z-211228T0600Z/ Santa Barbara County Mountains- Including the cities of San Marcos Pass, San Rafael Wilderness Area, and Dick Smith Wilderness Area 531 AM PST Mon Dec 27 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Heavy snow expected. Total snow accumulations of up to 10 inches above 5000 feet, with lighter accumulations of 2 to 4 inches possible between 4000 and 5000 feet. Winds gusting as high as 50 mph. * WHERE...Santa Barbara County Mountains. * WHEN...Until 10 PM PST this evening. * IMPACTS...Heavy snow, gusty winds, low visibilities in blowing snow and icy roads will make for dangerous driving conditions at higher elevations. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. && $$ CAZ053-054-271700- /O.CON.KLOX.WS.W.0007.211227T1700Z-211228T0600Z/ Ventura County Mountains- Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Lockwood Valley, Mount Pinos, Acton, Mount Wilson, and Sandberg 531 AM PST Mon Dec 27 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 10 PM PST THIS EVENING... * WHAT...Heavy snow expected. Total snow accumulations 6 to 10 inches above 5000 feet, with lighter accumulations of 2 to 4 inches possible between 4000 and 5000 feet. Southwest winds gusting 50 to 60 mph will likely cause reduced visibilities in blowing snow. * WHERE...Ventura County Mountains and Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...From 9 AM this morning to 10 PM PST this evening. * IMPACTS...Travel will likely be very difficult in the mountains with significant delays and possible road closures. Snow will likely lower to pass level this morning and again this evening, with a couple inches of snow accumulation possible along Interstate 5 near the Grapevine. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. && $$ Hall
969 WWUS46 KLOX 271816 WSWLOX URGENT - WINTER WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1016 AM PST Mon Dec 27 2021 CAZ052-280600- /O.CON.KLOX.WS.W.0007.000000T0000Z-211228T0600Z/ Santa Barbara County Mountains- Including the cities of San Marcos Pass, San Rafael Wilderness Area, and Dick Smith Wilderness Area 1016 AM PST Mon Dec 27 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Heavy snow expected. Total snow accumulations of 3 to 7 inches above 5000 feet, and up to 3 inches possible between 4000 and 5000 feet. Winds gusting as high as 50 mph at higher elevations. * WHERE...Santa Barbara County Mountains. * WHEN...Until 10 PM PST this evening. * IMPACTS...Heavy snow, gusty winds, low visibilities in blowing snow and icy roads will make for dangerous driving conditions at higher elevations. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. && $$ CAZ053-054-280600- /O.CON.KLOX.WS.W.0007.000000T0000Z-211228T0600Z/ Ventura County Mountains- Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Lockwood Valley, Mount Pinos, Acton, Mount Wilson, and Sandberg 1016 AM PST Mon Dec 27 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Heavy snow expected. Total snow accumulations of 3 to 7 inches above 5000 feet starting this afternoon, and up to 3 inches possible between 4000 and 5000 feet. Southwest winds gusting to 50 mph at higher elevations will likely cause reduced visibilities in blowing snow. * WHERE...Ventura County Mountains and Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...Until 10 PM PST this evening. * IMPACTS...Travel will likely be very difficult in the mountains with significant delays and possible road closures. Snow will likely lower to pass level this morning and again this evening, with a couple inches of snow accumulation possible along Interstate 5 near the Grapevine. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. && $$ MW
623 WWUS46 KLOX 280602 WSWLOX URGENT - WINTER WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1002 PM PST Mon Dec 27 2021 CAZ052>054-280715- /O.EXP.KLOX.WS.W.0007.000000T0000Z-211228T0600Z/ Santa Barbara County Mountains-Ventura County Mountains- Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of San Marcos Pass, San Rafael Wilderness Area, Dick Smith Wilderness Area, Lockwood Valley, Mount Pinos, Acton, Mount Wilson, and Sandberg 1002 PM PST Mon Dec 27 2021 ...WINTER STORM WARNING HAS EXPIRED... Snow showers could continue tonight, although little to no additional accumulation is expected. $$
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 7:00 PM PST | Areal Flood Advisory | LOX | San Luis Obispo, Santa Barbara | 3 hr |
| Dec 25, 7:24 PM PST | Special Marine Warning | LOX | 51 min | |
| Dec 25, 8:26 PM PST | Special Marine Warning | LOX | 79 min | |
| Dec 25, 9:41 PM PST | Areal Flood Advisory | LOX | Ventura | 2 hr |
| Dec 25, 10:49 PM PST | Areal Flood Advisory | LOX | Los Angeles | 3 hr |
| Dec 26, 2:50 AM PST | Gale Watch | LOX | 12 hr | |
| Dec 26, 3:58 AM PST | High Surf Advisory | LOX | 10 hr | |
| Dec 26, 3:59 AM PST | Winter Storm Watch | LOX | 10 hr | |
| Dec 26, 9:06 AM PST | Small Craft Advisory | LOX | 60 hr | |
| Dec 26, 2:25 PM PST | Gale Warning | LOX | 30 hr |
Nearby
Winter Storm Warnings in California, 2021Every winter storm 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.