Alert archive / California / Winter Storm Warnings in 2021
Winter Storm Warning 8, NWS Los Angeles, CA
NWS Los Angeles, CA issued this winter storm warning at Dec 28, 2021, 2:23 PM PST. It took effect at Dec 28, 2021, 10:00 PM PST. It was in force for 46 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 28, 2021, 2:23 PM PST (22:23 UTC)
- In effect from
- Dec 28, 2021, 10:00 PM PST
- Expired
- Dec 30, 2021, 8:00 PM PST
- In force
- 46 hr
- Issued by
- NWS Los Angeles, CA
The text
As transmitted.
367 WWUS46 KLOX 282223 WSWLOX URGENT - WINTER WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 223 PM PST Tue Dec 28 2021 CAZ052-053-290630- /O.UPG.KLOX.WS.A.0008.211229T0600Z-211231T0300Z/ /O.NEW.KLOX.WS.W.0008.211229T0600Z-211231T0300Z/ Santa Barbara County Mountains-Ventura County Mountains- Including the cities of San Marcos Pass, San Rafael Wilderness Area, Dick Smith Wilderness Area, Lockwood Valley, and Mount Pinos 223 PM PST Tue Dec 28 2021 ...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 PM PST THURSDAY... * WHAT...Heavy snow expected. Total snow accumulations of up to 14 inches above 5000 feet. * WHERE...Santa Barbara County Mountains and Ventura County Mountains. * WHEN...From 10 PM this evening to 7 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. Roadways that may be affected by accumulating snow include Highway 33 and Lockwood Valley Road in Ventura County. 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. Monitor the latest forecasts for updates on this situation. && $$ CAZ054-290630- /O.UPG.KLOX.WS.A.0008.211229T0900Z-211231T1200Z/ /O.NEW.KLOX.WS.W.0008.211229T0900Z-211231T1200Z/ Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Acton, Mount Wilson, and Sandberg 223 PM PST Tue Dec 28 2021 ...WINTER STORM WARNING IN EFFECT FROM 1 AM WEDNESDAY TO 4 AM PST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of up to 1 to 3 feet. Generally, the snow level will be above 5000', but light snow could fall as low as 4000' early on and at the end of the storm. Winds gusting as high as 35 mph to 40 mph. At higher elevation this could be as high as gusts to 60 mph * WHERE...Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...From 1 AM Wednesday to 4 AM PST Friday. * IMPACTS...Travel could be very difficult to impossible. Some mountain roadways that could be affected by snowfall include Angeles Crest Highway, Mt. Baldy Road, and Highway 39 in Los Angeles County. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. Monitor the latest forecasts for updates on this situation. && $$
8 follow-up statements
630 WWUS46 KLOX 290640 WSWLOX URGENT - WINTER WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1040 PM PST Tue Dec 28 2021 CAZ052-053-291445- /O.CON.KLOX.WS.W.0008.000000T0000Z-211231T0300Z/ Santa Barbara County Mountains-Ventura County Mountains- Including the cities of San Marcos Pass, San Rafael Wilderness Area, Dick Smith Wilderness Area, Lockwood Valley, and Mount Pinos 1040 PM PST Tue Dec 28 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM PST THURSDAY... * WHAT...Heavy snow expected. Total snow accumulations of up to 14 inches above 5000 feet. * WHERE...Santa Barbara County Mountains and Ventura County Mountains. * WHEN...Until 7 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. Roadways that may be affected by accumulating snow include Highway 33 and Lockwood Valley Road in Ventura County. 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. Monitor the latest forecasts for updates on this situation. && $$ CAZ054-291445- /O.CON.KLOX.WS.W.0008.211229T0900Z-211231T1200Z/ Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Acton, Mount Wilson, and Sandberg 1040 PM PST Tue Dec 28 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of up to 1 to 3 feet. Generally, the snow level will be above 5000', but light snow could fall as low as 4000' early on and at the end of the storm. Winds gusting as high as 35 mph to 40 mph. At higher elevation this could be as high as gusts to 60 mph. * WHERE...Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...Until 4 AM PST Friday. * IMPACTS...Travel could be very difficult to impossible. Some mountain roadways that could be affected by snowfall include Angeles Crest Highway, Mt. Baldy Road, and Highway 39 in Los Angeles County. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. Monitor the latest forecasts for updates on this situation. && $$ Stewart
746 WWUS46 KLOX 291118 WSWLOX URGENT - WINTER WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 318 AM PST Wed Dec 29 2021 CAZ052-291800- /O.CON.KLOX.WS.W.0008.000000T0000Z-211231T0300Z/ Santa Barbara County Mountains- Including the cities of San Marcos Pass, San Rafael Wilderness Area, and Dick Smith Wilderness Area 318 AM PST Wed Dec 29 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM PST THURSDAY... * WHAT...Heavy snow expected. Total snow accumulations of up to 14 inches above 5000 feet. * WHERE...Santa Barbara County Mountains. * WHEN...Until 7 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. 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. Monitor the latest forecasts for updates on this situation. && $$ CAZ053-291800- /O.CON.KLOX.WS.W.0008.000000T0000Z-211231T0300Z/ Ventura County Mountains- Including the cities of Lockwood Valley and Mount Pinos 318 AM PST Wed Dec 29 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM PST THURSDAY... * WHAT...Heavy snow expected. Total snow accumulations of 1 to 2 feet above 5000 feet. * WHERE...Ventura County Mountains. * WHEN...Until 7 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. Roadways that may be affected by accumulating snow include Highway 33 and Lockwood Valley Road in Ventura County. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. Monitor the latest forecasts for updates on this situation. && $$ CAZ054-291800- /O.CON.KLOX.WS.W.0008.000000T0000Z-211231T1200Z/ Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Acton, Mount Wilson, and Sandberg 318 AM PST Wed Dec 29 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of up to 1 to 3 feet. Generally, the snow level will be above 5000', but light snow could fall as low as 4000' early on and at the end of the storm. Winds gusting as high as 45 to 50 mph, except up to 60 mph at the higher elevations. * WHERE...Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...Until 4 AM PST Friday. * IMPACTS...Travel could be very difficult to impossible. Some mountain roadways that could be affected by snowfall include Angeles Crest Highway, Mt. Baldy Road, and Highway 39 in Los Angeles County. 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. Monitor the latest forecasts for updates on this situation. && $$ Hall
825 WWUS46 KLOX 291800 WSWLOX URGENT - WINTER WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1000 AM PST Wed Dec 29 2021 CAZ052-300200- /O.CON.KLOX.WS.W.0008.000000T0000Z-211231T0300Z/ Santa Barbara County Mountains- Including the cities of San Marcos Pass, San Rafael Wilderness Area, and Dick Smith Wilderness Area 1000 AM PST Wed Dec 29 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM PST THURSDAY... * WHAT...Heavy snow expected. Total snow accumulations of up to 14 inches above 5000 feet. * WHERE...Santa Barbara County Mountains. * WHEN...Until 7 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. Monitor the latest forecasts for updates on this situation. && $$ CAZ053-300200- /O.CON.KLOX.WS.W.0008.000000T0000Z-211231T0300Z/ Ventura County Mountains- Including the cities of Lockwood Valley and Mount Pinos 1000 AM PST Wed Dec 29 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM PST THURSDAY... * WHAT...Heavy snow expected. Total snow accumulations of 1 to 2 feet above 5000 feet. * WHERE...Ventura County Mountains. * WHEN...Until 7 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. Roadways that may be affected by accumulating snow include Highway 33 and Lockwood Valley Road in Ventura County. 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. Monitor the latest forecasts for updates on this situation. && $$ CAZ054-300200- /O.CON.KLOX.WS.W.0008.000000T0000Z-211231T1200Z/ Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Acton, Mount Wilson, and Sandberg 1000 AM PST Wed Dec 29 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of up to 1 to 3 feet. Generally, the snow level will be above 5000', but light snow could fall as low as 4000' early on and at the end of the storm. Winds gusting as high as 45 to 50 mph, except up to 60 mph at the higher elevations. * WHERE...Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...Until 4 AM PST Friday. * IMPACTS...Travel could be very difficult to impossible. Some mountain roadways that could be affected by snowfall include Angeles Crest Highway, Mt. Baldy Road, and Highway 39 in Los Angeles County. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. Monitor the latest forecasts for updates on this situation. && $$
066 WWUS46 KLOX 300640 WSWLOX URGENT - WINTER WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1040 PM PST Wed Dec 29 2021 CAZ052-301445- /O.CON.KLOX.WS.W.0008.000000T0000Z-211231T0300Z/ Santa Barbara County Mountains- Including the cities of San Marcos Pass, San Rafael Wilderness Area, and Dick Smith Wilderness Area 1040 PM PST Wed Dec 29 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM PST THURSDAY... * WHAT...Heavy snow expected. Total snow accumulations of up to 14 inches above 5000 feet. * WHERE...Santa Barbara County Mountains. * WHEN...Until 7 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. 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. Monitor the latest forecasts for updates on this situation. && $$ CAZ053-301445- /O.CON.KLOX.WS.W.0008.000000T0000Z-211231T0300Z/ Ventura County Mountains- Including the cities of Lockwood Valley and Mount Pinos 1040 PM PST Wed Dec 29 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM PST THURSDAY... * WHAT...Heavy snow expected. Total snow accumulations of 1 to 2 feet above 5000 feet. * WHERE...Ventura County Mountains. * WHEN...Until 7 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. Roadways that may be affected by accumulating snow include Highway 33 and Lockwood Valley Road in Ventura County. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. Monitor the latest forecasts for updates on this situation. && $$ CAZ054-301445- /O.CON.KLOX.WS.W.0008.000000T0000Z-211231T1200Z/ Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Acton, Mount Wilson, and Sandberg 1040 PM PST Wed Dec 29 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of up to 1 to 3 feet. Generally, the snow level will be above 5000', but light snow could fall as low as 4000' early on and at the end of the storm. Winds gusting as high as 45 to 50 mph, except up to 60 mph at the higher elevations. * WHERE...Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...Until 4 AM PST Friday. * IMPACTS...Travel could be very difficult to impossible. Some mountain roadways that could be affected by snowfall include Angeles Crest Highway, Mt. Baldy Road, and Highway 39 in Los Angeles County. 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. Monitor the latest forecasts for updates on this situation. && $$ ASR
788 WWUS46 KLOX 301113 WSWLOX URGENT - WINTER WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 313 AM PST Thu Dec 30 2021 CAZ052-301215- /O.CAN.KLOX.WS.W.0008.000000T0000Z-211231T0300Z/ Santa Barbara County Mountains- Including the cities of San Marcos Pass, San Rafael Wilderness Area, and Dick Smith Wilderness Area 313 AM PST Thu Dec 30 2021 ...WINTER STORM WARNING IS CANCELLED... Very little additional precipitation is expected. $$ CAZ053-302200- /O.EXT.KLOX.WS.W.0008.000000T0000Z-211230T2200Z/ Ventura County Mountains- Including the cities of Lockwood Valley and Mount Pinos 313 AM PST Thu Dec 30 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 2 PM PST THIS AFTERNOON... * WHAT...Heavy snow expected. Total snow accumulations of 1 to 2 feet above 5000 feet. * WHERE...Ventura County Mountains. * WHEN...Until 2 PM PST this afternoon. * IMPACTS...Travel could be very difficult to impossible. Roadways that may be affected by accumulating snow include Highway 33 and Lockwood Valley Road in Ventura County. 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. Monitor the latest forecasts for updates on this situation. && $$ CAZ054-302215- /O.EXT.KLOX.WS.W.0008.000000T0000Z-211231T0400Z/ Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Acton, Mount Wilson, and Sandberg 313 AM PST Thu Dec 30 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 8 PM PST THIS EVENING... * WHAT...Heavy snow expected. Total snow accumulations of up to 1 to 3 feet. Generally, the snow level will be above 5000', but light snow could fall as low as 4000' early on and at the end of the storm. Winds gusting as high as 45 to 50 mph, except up to 60 mph at the higher elevations. * WHERE...Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...Until 8 PM PST this evening. * IMPACTS...Travel could be very difficult to impossible. Some mountain roadways that could be affected by snowfall include Angeles Crest Highway, Mt. Baldy Road, and Highway 39 in Los Angeles County. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. Monitor the latest forecasts for updates on this situation. && $$ Rorke
838 WWUS46 KLOX 302119 WSWLOX URGENT - WINTER WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 119 PM PST Thu Dec 30 2021 CAZ053-310200- /O.EXT.KLOX.WS.W.0008.000000T0000Z-211231T0200Z/ Ventura County Mountains- Including the cities of Lockwood Valley and Mount Pinos 119 PM PST Thu Dec 30 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...Heavy snow expected. Total snow accumulations of 1 to 2 feet above 5000 feet. * WHERE...Ventura County Mountains. * WHEN...Until 6 PM PST this evening. * IMPACTS...Travel could be very difficult to impossible. Roadways that may be affected by accumulating snow include Highway 33 and Lockwood Valley Road in Ventura County. 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. Monitor the latest forecasts for updates on this situation. && $$ CAZ054-310200- /O.CON.KLOX.WS.W.0008.000000T0000Z-211231T0400Z/ Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Acton, Mount Wilson, and Sandberg 119 PM PST Thu Dec 30 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING... * WHAT...Heavy snow expected. Total snow accumulations of up to 1 to 3 feet. Generally, the snow level will be above 5000', but light snow could fall as low as 4000' early on and at the end of the storm. Winds gusting as high as 45 to 50 mph, except up to 60 mph at the higher elevations. * WHERE...Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...Until 8 PM PST this evening. * IMPACTS...Travel could be very difficult to impossible. Some mountain roadways that will be affected by snowfall include Interstate 5 through the Grapevine, Angeles Crest Highway (Highway 2), Mt. Baldy Road, and Highway 39 in Los Angeles County. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. Monitor the latest forecasts for updates on this situation. && $$ MW
570 WWUS46 KLOX 310139 WSWLOX URGENT - WINTER WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 539 PM PST Thu Dec 30 2021 CAZ053-310245- /O.EXP.KLOX.WS.W.0008.000000T0000Z-211231T0200Z/ Ventura County Mountains- Including the cities of Lockwood Valley and Mount Pinos 539 PM PST Thu Dec 30 2021 ...WINTER STORM WARNING WILL EXPIRE AT 6 PM PST THIS EVENING... Shower activity will continue to diminish this evening. So, the Winter Storm Warning will be allowed to expire at 600 PM PST. Although the warning is no longer in effect, there still will be some scattered snow showers, above 5000 feet, through this evening. $$ CAZ054-310400- /O.CON.KLOX.WS.W.0008.000000T0000Z-211231T0400Z/ Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Acton, Mount Wilson, and Sandberg 539 PM PST Thu Dec 30 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING... * WHAT...Heavy snow expected. Total snow accumulations of up to 1 to 3 feet. Generally, the snow level will be above 5000', but light snow could fall as low as 4000' early on and at the end of the storm. Winds gusting as high as 45 to 50 mph, except up to 60 mph at the higher elevations. * WHERE...Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...Until 8 PM PST this evening. * IMPACTS...Travel could be very difficult to impossible. Some mountain roadways that will be affected by snowfall include Interstate 5 through the Grapevine, Angeles Crest Highway (Highway 2), Mt. Baldy Road, and Highway 39 in Los Angeles County. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions from CalTrans are available by calling 1 800 4 2 7 7 6 2 3. Monitor the latest forecasts for updates on this situation. && $$
006 WWUS46 KLOX 310348 WSWLOX URGENT - WINTER WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 748 PM PST Thu Dec 30 2021 CAZ054-310500- /O.EXP.KLOX.WS.W.0008.000000T0000Z-211231T0400Z/ Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Acton, Mount Wilson, and Sandberg 748 PM PST Thu Dec 30 2021 ...WINTER STORM WARNING WILL EXPIRE AT 8 PM PST THIS EVENING... Shower activity has diminished across the area. Therefore, the warning will be allowed to expire. $$
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 28, 2:37 AM PST | Winter Storm Watch | LOX | 12 hr | |
| Dec 28, 3:00 AM PST | Small Craft Advisory | LOX | 6 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.