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Alert Archives for All California Counties
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166 total alerts issued on this day

Updates Every 15 Minutes
Spacer GifLast Update:April 11, 2026 - 7:00 am PDT
El Dorado County   2 alerts
WSW.gif   WINTER STORM WARNING   (4 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 10 8:21 am Expired: Apr 11 4:00 pm Duration: 1 day   7 hrs   39 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 11 12:15 pm Expired: Apr 12 5:00 pm Duration: 1 day   4 hrs   45 mins  
FLS.gif   FLOOD ADVISORY   (2 updates)
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 6:44 pm Expired: Apr 12 12:00 am Duration: 5 hrs   16 mins  
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 8:45 pm Expired: Apr 12 12:00 am Duration: 3 hrs   15 mins  
W. Slope N. Sierra
WSW.gif   WINTER STORM WARNING   (2 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
Placer County   2 alerts
WSW.gif   WINTER STORM WARNING   (4 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 10 8:21 am Expired: Apr 11 4:00 pm Duration: 1 day   7 hrs   39 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 11 12:15 pm Expired: Apr 12 5:00 pm Duration: 1 day   4 hrs   45 mins  
FLS.gif   FLOOD ADVISORY   (2 updates)
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 6:44 pm Expired: Apr 12 12:00 am Duration: 5 hrs   16 mins  
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 8:45 pm Expired: Apr 12 12:00 am Duration: 3 hrs   15 mins  
Nevada County   2 alerts
WSW.gif   WINTER STORM WARNING   (4 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 10 8:21 am Expired: Apr 11 4:00 pm Duration: 1 day   7 hrs   39 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 11 12:15 pm Expired: Apr 12 5:00 pm Duration: 1 day   4 hrs   45 mins  
FLS.gif   FLOOD ADVISORY   (2 updates)
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 6:44 pm Expired: Apr 12 12:00 am Duration: 5 hrs   16 mins  
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 8:45 pm Expired: Apr 12 12:00 am Duration: 3 hrs   15 mins  
Plumas County   2 alerts
WSW.gif   WINTER STORM WARNING   (2 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
WWY.gif   WINTER WEATHER ADVISORY   (2 updates)
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Apr 10 8:21 am Expired: Apr 11 4:00 pm Duration: 1 day   7 hrs   39 mins  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Apr 11 12:15 pm Expired: Apr 12 5:00 pm Duration: 1 day   4 hrs   45 mins  
Amador County   2 alerts
WSW.gif   WINTER STORM WARNING   (2 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
FLS.gif   FLOOD ADVISORY   (2 updates)
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 6:44 pm Expired: Apr 12 12:00 am Duration: 5 hrs   16 mins  
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 8:45 pm Expired: Apr 12 12:00 am Duration: 3 hrs   15 mins  
Butte County   2 alerts
WSW.gif   WINTER STORM WARNING   (2 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
FLS.gif   FLOOD ADVISORY   (2 updates)
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 6:44 pm Expired: Apr 12 12:00 am Duration: 5 hrs   16 mins  
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 8:45 pm Expired: Apr 12 12:00 am Duration: 3 hrs   15 mins  
Calaveras County
WSW.gif   WINTER STORM WARNING   (2 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
Lassen County   2 alerts
WSW.gif   WINTER STORM WARNING   (2 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
WWY.gif   WINTER WEATHER ADVISORY   (2 updates)
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Apr 10 8:21 am Expired: Apr 11 4:00 pm Duration: 1 day   7 hrs   39 mins  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Apr 11 12:15 pm Expired: Apr 12 5:00 pm Duration: 1 day   4 hrs   45 mins  
Shasta County
WSW.gif   WINTER STORM WARNING   (2 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
Sierra County   2 alerts
WSW.gif   WINTER STORM WARNING   (2 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
WWY.gif   WINTER WEATHER ADVISORY   (2 updates)
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Apr 10 8:21 am Expired: Apr 11 4:00 pm Duration: 1 day   7 hrs   39 mins  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Apr 11 12:15 pm Expired: Apr 12 5:00 pm Duration: 1 day   4 hrs   45 mins  
Tehama County
WSW.gif   WINTER STORM WARNING   (2 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
Yuba County   2 alerts
WSW.gif   WINTER STORM WARNING   (2 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
FLS.gif   FLOOD ADVISORY   (2 updates)
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 6:44 pm Expired: Apr 12 12:00 am Duration: 5 hrs   16 mins  
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 8:45 pm Expired: Apr 12 12:00 am Duration: 3 hrs   15 mins  
Fresno County
WSW.gif   WINTER STORM WARNING   (4 updates)
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 10 7:34 pm Expired: Apr 11 4:00 am Duration: 8 hrs   26 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 3:48 am Expired: Apr 11 12:00 pm Duration: 8 hrs   12 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 11:34 am Expired: Apr 11 10:00 pm Duration: 10 hrs   26 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 9:36 pm Expired: Apr 12 6:00 am Duration: 8 hrs   24 mins  
Kern County   2 alerts
WSW.gif   WINTER STORM WARNING   (4 updates)
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 10 7:34 pm Expired: Apr 11 4:00 am Duration: 8 hrs   26 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 3:48 am Expired: Apr 11 12:00 pm Duration: 8 hrs   12 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 11:34 am Expired: Apr 11 10:00 pm Duration: 10 hrs   26 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 9:36 pm Expired: Apr 12 6:00 am Duration: 8 hrs   24 mins  
WIY.gif   WIND ADVISORY   (3 updates)
  Areas affected: Mojave Desert Slopes
Effective: Apr 10 10:44 pm Expired: Apr 11 7:00 am Duration: 8 hrs   16 mins  
  Areas affected: Mojave Desert Slopes
Effective: Apr 11 6:47 am Expired: Apr 11 3:00 pm Duration: 8 hrs   13 mins  
  Areas affected: Mojave Desert Slopes
Effective: Apr 11 2:33 pm Expired: Apr 11 11:15 pm Duration: 8 hrs   42 mins  
Madera County
WSW.gif   WINTER STORM WARNING   (4 updates)
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 10 7:34 pm Expired: Apr 11 4:00 am Duration: 8 hrs   26 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 3:48 am Expired: Apr 11 12:00 pm Duration: 8 hrs   12 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 11:34 am Expired: Apr 11 10:00 pm Duration: 10 hrs   26 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 9:36 pm Expired: Apr 12 6:00 am Duration: 8 hrs   24 mins  
Mariposa County
WSW.gif   WINTER STORM WARNING   (4 updates)
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 10 7:34 pm Expired: Apr 11 4:00 am Duration: 8 hrs   26 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 3:48 am Expired: Apr 11 12:00 pm Duration: 8 hrs   12 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 11:34 am Expired: Apr 11 10:00 pm Duration: 10 hrs   26 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 9:36 pm Expired: Apr 12 6:00 am Duration: 8 hrs   24 mins  
Tulare County
WSW.gif   WINTER STORM WARNING   (4 updates)
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 10 7:34 pm Expired: Apr 11 4:00 am Duration: 8 hrs   26 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 3:48 am Expired: Apr 11 12:00 pm Duration: 8 hrs   12 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 11:34 am Expired: Apr 11 10:00 pm Duration: 10 hrs   26 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 9:36 pm Expired: Apr 12 6:00 am Duration: 8 hrs   24 mins  
Imperial County
WIY.gif   WIND ADVISORY  
  Areas affected: Imperial County Southwest
Effective: Apr 10 12:51 pm Expired: Apr 11 4:00 am Duration: 15 hrs   09 mins  
Inyo County   2 alerts
WWY.gif   WINTER WEATHER ADVISORY   (2 updates)
  Areas affected: Eastern Sierra Slopes of Inyo County
Effective: Apr 10 10:53 pm Expired: Apr 11 11:00 am Duration: 12 hrs   07 mins  
  Areas affected: Eastern Sierra Slopes of Inyo County
Effective: Apr 11 10:11 am Expired: Apr 12 5:00 am Duration: 18 hrs   49 mins  
WIY.gif   WIND ADVISORY   (2 updates)
  Areas affected: Owens Valley; Death Valley National Park
Effective: Apr 11 10:59 am Expired: Apr 11 6:00 pm Duration: 7 hrs   01 min  
  Areas affected: Owens Valley; Death Valley National Park
Effective: Apr 11 6:23 pm Expired: Apr 12 6:30 am Duration: 12 hrs   07 mins  
Mono County
WSW.gif   WINTER STORM WARNING   (2 updates)
  Areas affected: Mono
Effective: Apr 10 8:21 am Expired: Apr 11 4:00 pm Duration: 1 day   7 hrs   39 mins  
  Areas affected: Mono
Effective: Apr 11 12:15 pm Expired: Apr 12 5:00 pm Duration: 1 day   4 hrs   45 mins  
Riverside County
SPS.gif   AIR QUALITY ALERT   (2 updates)
  Areas affected: Coachella Valley; San Gorgonio Pass Near Banning
Effective: Apr 10 1:21 pm Expired: Apr 11 1:30 pm Duration: 1 day   0 hrs   09 mins  
  Areas affected: Coachella Valley; San Gorgonio Pass Near Banning
Effective: Apr 9 12:57 pm Expired: Apr 11 3:00 am Duration: 1 day   14 hrs   03 mins  
Santa Barbara County
WWY.gif   WINTER WEATHER ADVISORY   (4 updates)
  Areas affected: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains
Effective: Apr 10 12:07 pm Expired: Apr 13 11:00 am Duration: 2 days   22 hrs   53 mins  
  Areas affected: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains
Effective: Apr 11 12:28 am Expired: Apr 11 9:00 pm Duration: 20 hrs   32 mins  
  Areas affected: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains
Effective: Apr 11 12:19 pm Expired: Apr 12 6:00 am Duration: 17 hrs   41 mins  
  Areas affected: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains
Effective: Apr 11 8:36 pm Expired: Apr 12 11:00 am Duration: 14 hrs   24 mins  
Ventura County
WWY.gif   WINTER WEATHER ADVISORY   (4 updates)
  Areas affected: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains
Effective: Apr 10 12:07 pm Expired: Apr 13 11:00 am Duration: 2 days   22 hrs   53 mins  
  Areas affected: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains
Effective: Apr 11 12:28 am Expired: Apr 11 9:00 pm Duration: 20 hrs   32 mins  
  Areas affected: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains
Effective: Apr 11 12:19 pm Expired: Apr 12 6:00 am Duration: 17 hrs   41 mins  
  Areas affected: Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains
Effective: Apr 11 8:36 pm Expired: Apr 12 11:00 am Duration: 14 hrs   24 mins  
Siskiyou County
WWY.gif   WINTER WEATHER ADVISORY   (3 updates)
  Areas affected: Western Siskiyou County
Effective: Apr 10 10:33 pm Expired: Apr 11 8:00 am Duration: 9 hrs   27 mins  
  Areas affected: Western Siskiyou County
Effective: Apr 11 2:02 am Expired: Apr 11 5:30 pm Duration: 15 hrs   28 mins  
  Areas affected: Western Siskiyou County
Effective: Apr 11 2:43 pm Expired: Apr 12 5:00 am Duration: 14 hrs   17 mins  
Trinity County
WWY.gif   WINTER WEATHER ADVISORY   (3 updates)
  Areas affected: Northern Trinity
Effective: Apr 10 12:09 pm Expired: Apr 10 11:00 pm Duration: 10 hrs   51 mins  
  Areas affected: Northern Trinity
Effective: Apr 11 12:25 am Expired: Apr 11 8:30 am Duration: 8 hrs   05 mins  
  Areas affected: Northern Trinity
Effective: Apr 11 8:11 am Expired: Apr 11 11:00 pm Duration: 14 hrs   49 mins  
Alpine County
WSW.gif   WINTER STORM WARNING   (4 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 10 8:21 am Expired: Apr 11 4:00 pm Duration: 1 day   7 hrs   39 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 11 12:15 pm Expired: Apr 12 5:00 pm Duration: 1 day   4 hrs   45 mins  
Tuolumne County
WSW.gif   WINTER STORM WARNING   (6 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 10 10:34 am Expired: Apr 11 11:15 am Duration: 1 day   0 hrs   41 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 10 7:34 pm Expired: Apr 11 4:00 am Duration: 8 hrs   26 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 3:48 am Expired: Apr 11 12:00 pm Duration: 8 hrs   12 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 11 9:14 am Expired: Apr 12 1:00 pm Duration: 1 day   3 hrs   46 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 11:34 am Expired: Apr 11 10:00 pm Duration: 10 hrs   26 mins  
  Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra
Effective: Apr 11 9:36 pm Expired: Apr 12 6:00 am Duration: 8 hrs   24 mins  
San Bernardino County
WIY.gif   WIND ADVISORY   (2 updates)
  Areas affected: Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin
Effective: Apr 11 10:59 am Expired: Apr 11 6:00 pm Duration: 7 hrs   01 min  
  Areas affected: Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin
Effective: Apr 11 6:23 pm Expired: Apr 12 6:30 am Duration: 12 hrs   07 mins  
San Mateo County
SPS.gif   SPECIAL WEATHER STATEMENT   (4 updates)
At 513 PM PDT, Doppler radar was tracking a line of strong
  Areas affected: San Francisco Bay Shoreline; San Francisco Peninsula Coast; Santa Cruz Mountains
Effective: Apr 11 5:13 pm Expired: Apr 11 6:00 pm Duration: 0 hrs   47 mins  
At 558 PM PDT, Doppler radar was tracking a line of showers and
  Areas affected: San Francisco Bay Shoreline; East Bay Interior Valleys; East Bay Hills
Effective: Apr 11 5:58 pm Expired: Apr 11 6:30 pm Duration: 0 hrs   32 mins  
At 632 PM PDT, Radar reported a line of showers extending from over
  Areas affected: San Francisco Bay Shoreline; East Bay Interior Valleys; East Bay Hills
Effective: Apr 11 6:32 pm Expired: Apr 11 7:15 pm Duration: 0 hrs   43 mins  
At 643 PM PDT, Doppler radar was tracking a shower over Aptos, or 6
  Areas affected: Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; Northern Monterey Bay
Effective: Apr 11 6:43 pm Expired: Apr 11 7:15 pm Duration: 0 hrs   32 mins  
Santa Clara County
SPS.gif   SPECIAL WEATHER STATEMENT   (4 updates)
At 513 PM PDT, Doppler radar was tracking a line of strong
  Areas affected: San Francisco Bay Shoreline; San Francisco Peninsula Coast; Santa Cruz Mountains
Effective: Apr 11 5:13 pm Expired: Apr 11 6:00 pm Duration: 0 hrs   47 mins  
At 558 PM PDT, Doppler radar was tracking a line of showers and
  Areas affected: San Francisco Bay Shoreline; East Bay Interior Valleys; East Bay Hills
Effective: Apr 11 5:58 pm Expired: Apr 11 6:30 pm Duration: 0 hrs   32 mins  
At 632 PM PDT, Radar reported a line of showers extending from over
  Areas affected: San Francisco Bay Shoreline; East Bay Interior Valleys; East Bay Hills
Effective: Apr 11 6:32 pm Expired: Apr 11 7:15 pm Duration: 0 hrs   43 mins  
At 643 PM PDT, Doppler radar was tracking a shower over Aptos, or 6
  Areas affected: Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; Northern Monterey Bay
Effective: Apr 11 6:43 pm Expired: Apr 11 7:15 pm Duration: 0 hrs   32 mins  
Santa Cruz County
SPS.gif   SPECIAL WEATHER STATEMENT   (2 updates)
At 513 PM PDT, Doppler radar was tracking a line of strong
  Areas affected: San Francisco Bay Shoreline; San Francisco Peninsula Coast; Santa Cruz Mountains
Effective: Apr 11 5:13 pm Expired: Apr 11 6:00 pm Duration: 0 hrs   47 mins  
At 643 PM PDT, Doppler radar was tracking a shower over Aptos, or 6
  Areas affected: Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; Northern Monterey Bay
Effective: Apr 11 6:43 pm Expired: Apr 11 7:15 pm Duration: 0 hrs   32 mins  
Alameda County
SPS.gif   SPECIAL WEATHER STATEMENT   (3 updates)
At 513 PM PDT, Doppler radar was tracking a line of strong
  Areas affected: San Francisco Bay Shoreline; San Francisco Peninsula Coast; Santa Cruz Mountains
Effective: Apr 11 5:13 pm Expired: Apr 11 6:00 pm Duration: 0 hrs   47 mins  
At 558 PM PDT, Doppler radar was tracking a line of showers and
  Areas affected: San Francisco Bay Shoreline; East Bay Interior Valleys; East Bay Hills
Effective: Apr 11 5:58 pm Expired: Apr 11 6:30 pm Duration: 0 hrs   32 mins  
At 632 PM PDT, Radar reported a line of showers extending from over
  Areas affected: San Francisco Bay Shoreline; East Bay Interior Valleys; East Bay Hills
Effective: Apr 11 6:32 pm Expired: Apr 11 7:15 pm Duration: 0 hrs   43 mins  
Contra Costa County
SPS.gif   SPECIAL WEATHER STATEMENT   (3 updates)
At 513 PM PDT, Doppler radar was tracking a line of strong
  Areas affected: San Francisco Bay Shoreline; San Francisco Peninsula Coast; Santa Cruz Mountains
Effective: Apr 11 5:13 pm Expired: Apr 11 6:00 pm Duration: 0 hrs   47 mins  
At 558 PM PDT, Doppler radar was tracking a line of showers and
  Areas affected: San Francisco Bay Shoreline; East Bay Interior Valleys; East Bay Hills
Effective: Apr 11 5:58 pm Expired: Apr 11 6:30 pm Duration: 0 hrs   32 mins  
At 632 PM PDT, Radar reported a line of showers extending from over
  Areas affected: San Francisco Bay Shoreline; East Bay Interior Valleys; East Bay Hills
Effective: Apr 11 6:32 pm Expired: Apr 11 7:15 pm Duration: 0 hrs   43 mins  
Sacramento County
FLS.gif   FLOOD ADVISORY   (2 updates)
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 6:44 pm Expired: Apr 12 12:00 am Duration: 5 hrs   16 mins  
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 8:45 pm Expired: Apr 12 12:00 am Duration: 3 hrs   15 mins  
San Joaquin County
FLS.gif   FLOOD ADVISORY   (2 updates)
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 6:44 pm Expired: Apr 12 12:00 am Duration: 5 hrs   16 mins  
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 8:45 pm Expired: Apr 12 12:00 am Duration: 3 hrs   15 mins  
Sutter County
FLS.gif   FLOOD ADVISORY   (2 updates)
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 6:44 pm Expired: Apr 12 12:00 am Duration: 5 hrs   16 mins  
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 8:45 pm Expired: Apr 12 12:00 am Duration: 3 hrs   15 mins  
Yolo County
FLS.gif   FLOOD ADVISORY   (2 updates)
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 6:44 pm Expired: Apr 12 12:00 am Duration: 5 hrs   16 mins  
  Areas affected: Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA
Effective: Apr 11 8:45 pm Expired: Apr 12 12:00 am Duration: 3 hrs   15 mins  
Monterey County
SPS.gif   SPECIAL WEATHER STATEMENT   (2 updates)
At 649 PM PDT, Doppler radar was tracking a line of showers extending
  Areas affected: Santa Lucia Mountains and Los Padres National Forest; Northern Salinas Valley/Hollister Valley and Carmel Valley; Southern Monterey Bay and Big Sur Coast
Effective: Apr 11 6:49 pm Expired: Apr 11 7:30 pm Duration: 0 hrs   41 mins  
At 832 PM PDT, Doppler radar was tracking a cluster of showers and
  Areas affected: Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Southern Monterey Bay and Big Sur Coast
Effective: Apr 11 8:32 pm Expired: Apr 11 9:00 pm Duration: 0 hrs   28 mins  
San Benito County
SPS.gif   SPECIAL WEATHER STATEMENT  
At 649 PM PDT, Doppler radar was tracking a line of showers extending
  Areas affected: Santa Lucia Mountains and Los Padres National Forest; Northern Salinas Valley/Hollister Valley and Carmel Valley; Southern Monterey Bay and Big Sur Coast
Effective: Apr 11 6:49 pm Expired: Apr 11 7:30 pm Duration: 0 hrs   41 mins  
Los Angeles County
SPS.gif   SPECIAL WEATHER STATEMENT  
At 910 PM PDT, Doppler radar was tracking a shower 6 miles north of
  Areas affected: Marin Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys
Effective: Apr 11 9:10 pm Expired: Apr 11 9:45 pm Duration: 0 hrs   35 mins  
Marin County
SPS.gif   SPECIAL WEATHER STATEMENT  
At 910 PM PDT, Doppler radar was tracking a shower 6 miles north of
  Areas affected: Marin Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys
Effective: Apr 11 9:10 pm Expired: Apr 11 9:45 pm Duration: 0 hrs   35 mins  
Napa County
SPS.gif   SPECIAL WEATHER STATEMENT  
At 910 PM PDT, Doppler radar was tracking a shower 6 miles north of
  Areas affected: Marin Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys
Effective: Apr 11 9:10 pm Expired: Apr 11 9:45 pm Duration: 0 hrs   35 mins  
Sonoma County
SPS.gif   SPECIAL WEATHER STATEMENT  
At 910 PM PDT, Doppler radar was tracking a shower 6 miles north of
  Areas affected: Marin Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys
Effective: Apr 11 9:10 pm Expired: Apr 11 9:45 pm Duration: 0 hrs   35 mins  


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