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

Updates Every 15 Minutes
Spacer GifLast Update:April 9, 2026 - 7:00 am PDT
El Dorado County   2 alerts
SRA.gif   WINTER STORM WATCH   (3 updates)
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 8 1:27 pm Expired: Apr 9 4:00 pm Duration: 1 day   2 hrs   33 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 9 2:35 pm Expired: Apr 10 5:00 pm Duration: 1 day   2 hrs   25 mins  
WSW.gif   WINTER STORM WARNING  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 mins  
Placer County   2 alerts
SRA.gif   WINTER STORM WATCH   (3 updates)
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 8 1:27 pm Expired: Apr 9 4:00 pm Duration: 1 day   2 hrs   33 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 9 2:35 pm Expired: Apr 10 5:00 pm Duration: 1 day   2 hrs   25 mins  
WSW.gif   WINTER STORM WARNING  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 mins  
Nevada County   2 alerts
SRA.gif   WINTER STORM WATCH   (3 updates)
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 8 1:27 pm Expired: Apr 9 4:00 pm Duration: 1 day   2 hrs   33 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 9 2:35 pm Expired: Apr 10 5:00 pm Duration: 1 day   2 hrs   25 mins  
WSW.gif   WINTER STORM WARNING  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 mins  
Alpine County   2 alerts
SRA.gif   WINTER STORM WATCH   (3 updates)
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 8 1:27 pm Expired: Apr 9 4:00 pm Duration: 1 day   2 hrs   33 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 mins  
  Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Apr 9 2:35 pm Expired: Apr 10 5:00 pm Duration: 1 day   2 hrs   25 mins  
WSW.gif   WINTER STORM WARNING  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 mins  
Plumas County   2 alerts
SRA.gif   WINTER STORM WATCH   (3 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 mins  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Apr 8 1:27 pm Expired: Apr 9 4:00 pm Duration: 1 day   2 hrs   33 mins  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Apr 9 2:35 pm Expired: Apr 10 5:00 pm Duration: 1 day   2 hrs   25 mins  
WSW.gif   WINTER STORM WARNING  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 mins  
Amador County   2 alerts
SRA.gif   WINTER STORM WATCH  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 mins  
WSW.gif   WINTER STORM WARNING  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 mins  
Butte County   2 alerts
SRA.gif   WINTER STORM WATCH  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 mins  
WSW.gif   WINTER STORM WARNING  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 mins  
Calaveras County   2 alerts
SRA.gif   WINTER STORM WATCH  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 mins  
WSW.gif   WINTER STORM WARNING  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 mins  
Lassen County   2 alerts
SRA.gif   WINTER STORM WATCH   (3 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 mins  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Apr 8 1:27 pm Expired: Apr 9 4:00 pm Duration: 1 day   2 hrs   33 mins  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Apr 9 2:35 pm Expired: Apr 10 5:00 pm Duration: 1 day   2 hrs   25 mins  
WSW.gif   WINTER STORM WARNING  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 mins  
Shasta County   3 alerts
SRA.gif   WINTER STORM WATCH  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 mins  
WSW.gif   WINTER STORM WARNING  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 mins  
SVR.gif   SEVERE THUNDERSTORM WARNING   (3 updates)
At 507 PM PDT, a severe thunderstorm was located 7 miles west of
  Areas affected: Shasta, CA; Tehama, CA
Effective: Apr 9 5:07 pm Expired: Apr 9 5:30 pm Duration: 0 hrs   23 mins  
SVRSTO
  Areas affected: Shasta, CA
Effective: Apr 9 5:22 pm Expired: Apr 9 6:00 pm Duration: 0 hrs   38 mins  
At 536 PM PDT, a severe thunderstorm was located over Big Bend, or 19
  Areas affected: Shasta, CA
Effective: Apr 9 5:36 pm Expired: Apr 9 6:00 pm Duration: 0 hrs   24 mins  
Sierra County   2 alerts
SRA.gif   WINTER STORM WATCH   (3 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 mins  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Apr 8 1:27 pm Expired: Apr 9 4:00 pm Duration: 1 day   2 hrs   33 mins  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Apr 9 2:35 pm Expired: Apr 10 5:00 pm Duration: 1 day   2 hrs   25 mins  
WSW.gif   WINTER STORM WARNING  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 mins  
Tehama County   3 alerts
SRA.gif   WINTER STORM WATCH  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 mins  
WSW.gif   WINTER STORM WARNING  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 mins  
SVR.gif   SEVERE THUNDERSTORM WARNING   (4 updates)
At 350 PM PDT, a severe thunderstorm was located 10 miles northwest
  Areas affected: Tehama, CA
Effective: Apr 9 3:51 pm Expired: Apr 9 4:15 pm Duration: 0 hrs   24 mins  
SVRSTO
  Areas affected: Tehama, CA
Effective: Apr 9 4:09 pm Expired: Apr 9 4:45 pm Duration: 0 hrs   36 mins  
At 426 PM PDT, a severe thunderstorm was located 8 miles southeast of
  Areas affected: Tehama, CA
Effective: Apr 9 4:26 pm Expired: Apr 9 4:45 pm Duration: 0 hrs   19 mins  
At 507 PM PDT, a severe thunderstorm was located 7 miles west of
  Areas affected: Shasta, CA; Tehama, CA
Effective: Apr 9 5:07 pm Expired: Apr 9 5:30 pm Duration: 0 hrs   23 mins  
Tuolumne County   2 alerts
SRA.gif   WINTER STORM WATCH   (3 updates)
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 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 8 2:50 pm Expired: Apr 9 3:00 am Duration: 12 hrs   10 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 9 12:58 am Expired: Apr 9 11:00 am Duration: 10 hrs   02 mins  
WSW.gif   WINTER STORM WARNING   (3 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 9 10:52 am Expired: Apr 9 7:00 pm Duration: 8 hrs   08 mins  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 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 9 7:37 pm Expired: Apr 10 4:00 am Duration: 8 hrs   23 mins  
Yuba County   2 alerts
SRA.gif   WINTER STORM WATCH  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 mins  
WSW.gif   WINTER STORM WARNING  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 mins  
Fresno County   5 alerts
SRA.gif   WINTER STORM WATCH   (2 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 8 2:50 pm Expired: Apr 9 3:00 am Duration: 12 hrs   10 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 9 12:58 am Expired: Apr 9 11:00 am Duration: 10 hrs   02 mins  
WSW.gif   WINTER STORM WARNING   (2 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 9 10:52 am Expired: Apr 9 7:00 pm Duration: 8 hrs   08 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 9 7:37 pm Expired: Apr 10 4:00 am Duration: 8 hrs   23 mins  
SPS.gif   SPECIAL WEATHER STATEMENT   (8 updates)
At 501 PM PDT, Doppler radar was tracking a strong thunderstorm 12
  Areas affected: West Side Mountains north of 198; Los Banos - Dos Palos; Merced - Madera - Mendota
Effective: Apr 9 5:01 pm Expired: Apr 9 5:30 pm Duration: 0 hrs   29 mins  
At 518 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: West Side Mountains north of 198; Los Banos - Dos Palos; Merced - Madera - Mendota
Effective: Apr 9 5:18 pm Expired: Apr 9 6:15 pm Duration: 0 hrs   57 mins  
At 637 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota
Effective: Apr 9 6:38 pm Expired: Apr 9 7:45 pm Duration: 1 hr   07 mins  
At 706 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling; Mariposa Madera Foothills
Effective: Apr 9 7:06 pm Expired: Apr 9 8:00 pm Duration: 0 hrs   54 mins  
At 719 PM PDT, Doppler radar was tracking strong thunderstorms along
  Areas affected: Merced - Madera - Mendota
Effective: Apr 9 7:19 pm Expired: Apr 9 7:45 pm Duration: 0 hrs   26 mins  
At 746 PM PDT, Doppler radar was tracking a strong thunderstorm 10
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Apr 9 7:46 pm Expired: Apr 9 8:15 pm Duration: 0 hrs   29 mins  
At 814 PM PDT, Doppler radar was tracking a strong thunderstorm 8
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Apr 9 8:14 pm Expired: Apr 9 8:45 pm Duration: 0 hrs   31 mins  
At 844 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling; Mariposa Madera Foothills
Effective: Apr 9 8:44 pm Expired: Apr 9 9:15 pm Duration: 0 hrs   31 mins  
SVR.gif   SEVERE THUNDERSTORM WARNING   (4 updates)
SVRHNX
  Areas affected: Fresno, CA; Madera, CA; Merced, CA
Effective: Apr 9 5:29 pm Expired: Apr 9 6:30 pm Duration: 1 hr   01 min  
At 543 PM PDT, a severe thunderstorm was located near South Dos
  Areas affected: Fresno, CA; Madera, CA; Merced, CA
Effective: Apr 9 5:44 pm Expired: Apr 9 6:30 pm Duration: 0 hrs   46 mins  
SVRHNX
  Areas affected: Fresno, CA; Madera, CA
Effective: Apr 9 6:12 pm Expired: Apr 9 6:45 pm Duration: 0 hrs   33 mins  
At 600 PM PDT, a severe thunderstorm was located near South Dos
  Areas affected: Fresno, CA; Madera, CA
Effective: Apr 9 6:01 pm Expired: Apr 9 6:30 pm Duration: 0 hrs   29 mins  
TOR.gif   TORNADO WARNING   (2 updates)
TORHNX
  Areas affected: Fresno, CA; Madera, CA
Effective: Apr 9 5:38 pm Expired: Apr 9 6:15 pm Duration: 0 hrs   37 mins  
At 559 PM PDT, a severe thunderstorm capable of producing a tornado
  Areas affected: Fresno, CA; Madera, CA
Effective: Apr 9 5:59 pm Expired: Apr 9 6:15 pm Duration: 0 hrs   16 mins  
Madera County   5 alerts
SRA.gif   WINTER STORM WATCH   (2 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 8 2:50 pm Expired: Apr 9 3:00 am Duration: 12 hrs   10 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 9 12:58 am Expired: Apr 9 11:00 am Duration: 10 hrs   02 mins  
WSW.gif   WINTER STORM WARNING   (2 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 9 10:52 am Expired: Apr 9 7:00 pm Duration: 8 hrs   08 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 9 7:37 pm Expired: Apr 10 4:00 am Duration: 8 hrs   23 mins  
SPS.gif   SPECIAL WEATHER STATEMENT   (8 updates)
At 501 PM PDT, Doppler radar was tracking a strong thunderstorm 12
  Areas affected: West Side Mountains north of 198; Los Banos - Dos Palos; Merced - Madera - Mendota
Effective: Apr 9 5:01 pm Expired: Apr 9 5:30 pm Duration: 0 hrs   29 mins  
At 518 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: West Side Mountains north of 198; Los Banos - Dos Palos; Merced - Madera - Mendota
Effective: Apr 9 5:18 pm Expired: Apr 9 6:15 pm Duration: 0 hrs   57 mins  
At 637 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota
Effective: Apr 9 6:38 pm Expired: Apr 9 7:45 pm Duration: 1 hr   07 mins  
At 706 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling; Mariposa Madera Foothills
Effective: Apr 9 7:06 pm Expired: Apr 9 8:00 pm Duration: 0 hrs   54 mins  
At 719 PM PDT, Doppler radar was tracking strong thunderstorms along
  Areas affected: Merced - Madera - Mendota
Effective: Apr 9 7:19 pm Expired: Apr 9 7:45 pm Duration: 0 hrs   26 mins  
At 746 PM PDT, Doppler radar was tracking a strong thunderstorm 10
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Apr 9 7:46 pm Expired: Apr 9 8:15 pm Duration: 0 hrs   29 mins  
At 814 PM PDT, Doppler radar was tracking a strong thunderstorm 8
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Apr 9 8:14 pm Expired: Apr 9 8:45 pm Duration: 0 hrs   31 mins  
At 844 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling; Mariposa Madera Foothills
Effective: Apr 9 8:44 pm Expired: Apr 9 9:15 pm Duration: 0 hrs   31 mins  
SVR.gif   SEVERE THUNDERSTORM WARNING   (6 updates)
SVRHNX
  Areas affected: Fresno, CA; Madera, CA; Merced, CA
Effective: Apr 9 5:29 pm Expired: Apr 9 6:30 pm Duration: 1 hr   01 min  
At 543 PM PDT, a severe thunderstorm was located near South Dos
  Areas affected: Fresno, CA; Madera, CA; Merced, CA
Effective: Apr 9 5:44 pm Expired: Apr 9 6:30 pm Duration: 0 hrs   46 mins  
SVRHNX
  Areas affected: Fresno, CA; Madera, CA
Effective: Apr 9 6:12 pm Expired: Apr 9 6:45 pm Duration: 0 hrs   33 mins  
At 600 PM PDT, a severe thunderstorm was located near South Dos
  Areas affected: Fresno, CA; Madera, CA
Effective: Apr 9 6:01 pm Expired: Apr 9 6:30 pm Duration: 0 hrs   29 mins  
SVRHNX
  Areas affected: Madera, CA; Merced, CA
Effective: Apr 9 6:24 pm Expired: Apr 9 7:30 pm Duration: 1 hr   06 mins  
At 632 PM PDT, a severe thunderstorm was located 9 miles southwest of
  Areas affected: Madera, CA; Merced, CA
Effective: Apr 9 6:32 pm Expired: Apr 9 7:30 pm Duration: 0 hrs   58 mins  
TOR.gif   TORNADO WARNING   (2 updates)
TORHNX
  Areas affected: Fresno, CA; Madera, CA
Effective: Apr 9 5:38 pm Expired: Apr 9 6:15 pm Duration: 0 hrs   37 mins  
At 559 PM PDT, a severe thunderstorm capable of producing a tornado
  Areas affected: Fresno, CA; Madera, CA
Effective: Apr 9 5:59 pm Expired: Apr 9 6:15 pm Duration: 0 hrs   16 mins  
Mariposa County   3 alerts
SRA.gif   WINTER STORM WATCH   (2 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 8 2:50 pm Expired: Apr 9 3:00 am Duration: 12 hrs   10 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 9 12:58 am Expired: Apr 9 11:00 am Duration: 10 hrs   02 mins  
WSW.gif   WINTER STORM WARNING   (2 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 9 10:52 am Expired: Apr 9 7:00 pm Duration: 8 hrs   08 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 9 7:37 pm Expired: Apr 10 4:00 am Duration: 8 hrs   23 mins  
SPS.gif   SPECIAL WEATHER STATEMENT   (4 updates)
At 706 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling; Mariposa Madera Foothills
Effective: Apr 9 7:06 pm Expired: Apr 9 8:00 pm Duration: 0 hrs   54 mins  
At 746 PM PDT, Doppler radar was tracking a strong thunderstorm 10
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Apr 9 7:46 pm Expired: Apr 9 8:15 pm Duration: 0 hrs   29 mins  
At 814 PM PDT, Doppler radar was tracking a strong thunderstorm 8
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Apr 9 8:14 pm Expired: Apr 9 8:45 pm Duration: 0 hrs   31 mins  
At 844 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling; Mariposa Madera Foothills
Effective: Apr 9 8:44 pm Expired: Apr 9 9:15 pm Duration: 0 hrs   31 mins  
Tulare County   2 alerts
SRA.gif   WINTER STORM WATCH   (2 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 8 2:50 pm Expired: Apr 9 3:00 am Duration: 12 hrs   10 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 9 12:58 am Expired: Apr 9 11:00 am Duration: 10 hrs   02 mins  
WSW.gif   WINTER STORM WARNING   (2 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 9 10:52 am Expired: Apr 9 7:00 pm Duration: 8 hrs   08 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 9 7:37 pm Expired: Apr 10 4:00 am Duration: 8 hrs   23 mins  
Mono County
SRA.gif   WINTER STORM WATCH   (2 updates)
  Areas affected: Mono
Effective: Apr 8 1:27 pm Expired: Apr 9 4:00 pm Duration: 1 day   2 hrs   33 mins  
  Areas affected: Mono
Effective: Apr 9 2:35 pm Expired: Apr 10 5:00 pm Duration: 1 day   2 hrs   25 mins  
W. Slope N. Sierra   2 alerts
SRA.gif   WINTER STORM WATCH  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 8 12:19 pm Expired: Apr 9 4:30 pm Duration: 1 day   4 hrs   11 mins  
WSW.gif   WINTER STORM WARNING  
  Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Apr 9 11:46 am Expired: Apr 10 5:15 pm Duration: 1 day   5 hrs   29 mins  
Kern County   3 alerts
SRA.gif   WINTER STORM WATCH   (2 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 8 2:50 pm Expired: Apr 9 3:00 am Duration: 12 hrs   10 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 9 12:58 am Expired: Apr 9 11:00 am Duration: 10 hrs   02 mins  
WIY.gif   WIND ADVISORY   (4 updates)
  Areas affected: Mojave Desert Slopes
Effective: Apr 8 5:33 pm Expired: Apr 9 2:00 am Duration: 8 hrs   27 mins  
  Areas affected: Mojave Desert Slopes
Effective: Apr 9 12:57 am Expired: Apr 9 10:00 am Duration: 9 hrs   03 mins  
  Areas affected: Mojave Desert Slopes
Effective: Apr 9 9:46 am Expired: Apr 9 6:00 pm Duration: 8 hrs   14 mins  
  Areas affected: Mojave Desert Slopes
Effective: Apr 9 5:58 pm Expired: Apr 9 11:00 pm Duration: 5 hrs   02 mins  
WSW.gif   WINTER STORM WARNING   (2 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 9 10:52 am Expired: Apr 9 7:00 pm Duration: 8 hrs   08 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 9 7:37 pm Expired: Apr 10 4:00 am Duration: 8 hrs   23 mins  
Humboldt County   2 alerts
SPS.gif   SPECIAL WEATHER STATEMENT   (7 updates)
At 1057 AM PDT, Doppler radar was tracking a strong thunderstorm 10
  Areas affected: Northern Humboldt Interior; Northern Trinity; Southern Trinity
Effective: Apr 9 10:57 am Expired: Apr 9 11:30 am Duration: 0 hrs   33 mins  
At 1140 AM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Northern Humboldt Interior; Northern Trinity
Effective: Apr 9 11:40 am Expired: Apr 9 12:15 pm Duration: 0 hrs   35 mins  
At 1204 PM PDT, Doppler radar was tracking a strong thunderstorm 5
  Areas affected: Northern Humboldt Interior; Northern Trinity
Effective: Apr 9 12:04 pm Expired: Apr 9 12:30 pm Duration: 0 hrs   26 mins  
At 1229 PM PDT, Doppler radar was tracking a strong thunderstorm 7
  Areas affected: Northern Humboldt Interior
Effective: Apr 9 12:29 pm Expired: Apr 9 1:00 pm Duration: 0 hrs   31 mins  
At 255 PM PDT, Doppler radar was tracking a strong thunderstorm 6
  Areas affected: Northern Humboldt Interior; Northern Trinity; Southern Trinity
Effective: Apr 9 2:55 pm Expired: Apr 9 3:30 pm Duration: 0 hrs   35 mins  
At 419 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Northern Humboldt Interior; Northern Trinity; Southern Trinity
Effective: Apr 9 4:19 pm Expired: Apr 9 4:45 pm Duration: 0 hrs   26 mins  
At 439 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Northern Humboldt Interior; Northern Trinity; Southern Trinity
Effective: Apr 9 4:39 pm Expired: Apr 9 5:15 pm Duration: 0 hrs   36 mins  
SVR.gif   SEVERE THUNDERSTORM WARNING  
SVREKA
  Areas affected: Humboldt, CA
Effective: Apr 9 12:39 pm Expired: Apr 9 1:30 pm Duration: 0 hrs   51 mins  
Trinity County
SPS.gif   SPECIAL WEATHER STATEMENT   (17 updates)
At 1057 AM PDT, Doppler radar was tracking a strong thunderstorm 10
  Areas affected: Northern Humboldt Interior; Northern Trinity; Southern Trinity
Effective: Apr 9 10:57 am Expired: Apr 9 11:30 am Duration: 0 hrs   33 mins  
At 1129 AM PDT, Doppler radar was tracking a strong thunderstorm 14
  Areas affected: Southern Trinity
Effective: Apr 9 11:29 am Expired: Apr 9 12:00 pm Duration: 0 hrs   31 mins  
At 1140 AM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Northern Humboldt Interior; Northern Trinity
Effective: Apr 9 11:40 am Expired: Apr 9 12:15 pm Duration: 0 hrs   35 mins  
At 1159 AM PDT, Doppler radar was tracking a strong thunderstorm 6
  Areas affected: Southern Trinity
Effective: Apr 9 11:59 am Expired: Apr 9 12:30 pm Duration: 0 hrs   31 mins  
At 1204 PM PDT, Doppler radar was tracking a strong thunderstorm 5
  Areas affected: Northern Humboldt Interior; Northern Trinity
Effective: Apr 9 12:04 pm Expired: Apr 9 12:30 pm Duration: 0 hrs   26 mins  
At 1218 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Northern Trinity; Southern Trinity
Effective: Apr 9 12:18 pm Expired: Apr 9 12:45 pm Duration: 0 hrs   27 mins  
At 1249 PM PDT, Doppler radar was tracking a strong thunderstorm over
  Areas affected: Northern Trinity; Southern Trinity
Effective: Apr 9 12:49 pm Expired: Apr 9 1:15 pm Duration: 0 hrs   26 mins  
At 120 PM PDT, Doppler radar was tracking a strong thunderstorm 13
  Areas affected: Northern Trinity; Southern Trinity
Effective: Apr 9 1:20 pm Expired: Apr 9 1:45 pm Duration: 0 hrs   25 mins  
At 137 PM PDT, Doppler radar was tracking a strong thunderstorm over
  Areas affected: Northern Trinity
Effective: Apr 9 1:37 pm Expired: Apr 9 2:00 pm Duration: 0 hrs   23 mins  
At 239 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Northern Trinity
Effective: Apr 9 2:39 pm Expired: Apr 9 3:15 pm Duration: 0 hrs   36 mins  
At 255 PM PDT, Doppler radar was tracking a strong thunderstorm 6
  Areas affected: Northern Humboldt Interior; Northern Trinity; Southern Trinity
Effective: Apr 9 2:55 pm Expired: Apr 9 3:30 pm Duration: 0 hrs   35 mins  
At 257 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Northern Trinity; Southern Trinity
Effective: Apr 9 2:57 pm Expired: Apr 9 3:30 pm Duration: 0 hrs   33 mins  
At 342 PM PDT, Doppler radar was tracking a strong thunderstorm 12
  Areas affected: Northern Trinity
Effective: Apr 9 3:42 pm Expired: Apr 9 4:15 pm Duration: 0 hrs   33 mins  
At 332 PM PDT, Doppler radar was tracking a strong thunderstorm over
  Areas affected: Northern Trinity; Southern Trinity
Effective: Apr 9 3:32 pm Expired: Apr 9 4:00 pm Duration: 0 hrs   28 mins  
At 419 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Northern Humboldt Interior; Northern Trinity; Southern Trinity
Effective: Apr 9 4:19 pm Expired: Apr 9 4:45 pm Duration: 0 hrs   26 mins  
At 439 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Northern Humboldt Interior; Northern Trinity; Southern Trinity
Effective: Apr 9 4:39 pm Expired: Apr 9 5:15 pm Duration: 0 hrs   36 mins  
At 503 PM PDT, Doppler radar was tracking a strong thunderstorm 11
  Areas affected: Northern Trinity
Effective: Apr 9 5:03 pm Expired: Apr 9 5:30 pm Duration: 0 hrs   27 mins  
Imperial County
SPS.gif   AIR QUALITY ALERT  
  Areas affected: Chuckwalla Mountains; Imperial County Southeast; Imperial Valley
Effective: Apr 9 12:59 pm Expired: Apr 10 11:00 pm Duration: 1 day   10 hrs   01 min  
Riverside County
SPS.gif   AIR QUALITY ALERT   (2 updates)
  Areas affected: Chuckwalla Mountains; Imperial County Southeast; Imperial Valley
Effective: Apr 9 12:59 pm Expired: Apr 10 11:00 pm Duration: 1 day   10 hrs   01 min  
  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  
Siskiyou County   2 alerts
SVR.gif   SEVERE THUNDERSTORM WARNING   (3 updates)
SVRMFR
  Areas affected: Siskiyou, CA
Effective: Apr 9 12:48 pm Expired: Apr 9 1:15 pm Duration: 0 hrs   27 mins  
SVRMFR
  Areas affected: Siskiyou, CA
Effective: Apr 9 1:12 pm Expired: Apr 9 1:45 pm Duration: 0 hrs   33 mins  
At 123 PM PDT, a severe thunderstorm was located near Dillon Creek
  Areas affected: Siskiyou, CA
Effective: Apr 9 1:24 pm Expired: Apr 9 1:45 pm Duration: 0 hrs   21 mins  
SPS.gif   SPECIAL WEATHER STATEMENT   (3 updates)
At 145 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Western Siskiyou County
Effective: Apr 9 1:45 pm Expired: Apr 9 2:15 pm Duration: 0 hrs   30 mins  
At 233 PM PDT, Doppler radar was tracking a strong thunderstorm 7
  Areas affected: Western Siskiyou County; Eastern Curry County and Josephine County; Jackson County; Siskiyou Mountains and Southern Oregon Cascades
Effective: Apr 9 2:33 pm Expired: Apr 9 3:00 pm Duration: 0 hrs   27 mins  
At 359 PM PDT, Doppler radar was tracking a strong thunderstorm 9
  Areas affected: Central Siskiyou County; North Central and Southeast Siskiyou County
Effective: Apr 9 4:00 pm Expired: Apr 9 4:30 pm Duration: 0 hrs   30 mins  
Merced County   2 alerts
SPS.gif   SPECIAL WEATHER STATEMENT   (8 updates)
At 501 PM PDT, Doppler radar was tracking a strong thunderstorm 12
  Areas affected: West Side Mountains north of 198; Los Banos - Dos Palos; Merced - Madera - Mendota
Effective: Apr 9 5:01 pm Expired: Apr 9 5:30 pm Duration: 0 hrs   29 mins  
At 518 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: West Side Mountains north of 198; Los Banos - Dos Palos; Merced - Madera - Mendota
Effective: Apr 9 5:18 pm Expired: Apr 9 6:15 pm Duration: 0 hrs   57 mins  
At 637 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota
Effective: Apr 9 6:38 pm Expired: Apr 9 7:45 pm Duration: 1 hr   07 mins  
At 706 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling; Mariposa Madera Foothills
Effective: Apr 9 7:06 pm Expired: Apr 9 8:00 pm Duration: 0 hrs   54 mins  
At 719 PM PDT, Doppler radar was tracking strong thunderstorms along
  Areas affected: Merced - Madera - Mendota
Effective: Apr 9 7:19 pm Expired: Apr 9 7:45 pm Duration: 0 hrs   26 mins  
At 746 PM PDT, Doppler radar was tracking a strong thunderstorm 10
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Apr 9 7:46 pm Expired: Apr 9 8:15 pm Duration: 0 hrs   29 mins  
At 814 PM PDT, Doppler radar was tracking a strong thunderstorm 8
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling
Effective: Apr 9 8:14 pm Expired: Apr 9 8:45 pm Duration: 0 hrs   31 mins  
At 844 PM PDT, Doppler radar was tracking a strong thunderstorm near
  Areas affected: Merced - Madera - Mendota; Planada - Le Grand - Snelling; Mariposa Madera Foothills
Effective: Apr 9 8:44 pm Expired: Apr 9 9:15 pm Duration: 0 hrs   31 mins  
SVR.gif   SEVERE THUNDERSTORM WARNING   (4 updates)
SVRHNX
  Areas affected: Fresno, CA; Madera, CA; Merced, CA
Effective: Apr 9 5:29 pm Expired: Apr 9 6:30 pm Duration: 1 hr   01 min  
At 543 PM PDT, a severe thunderstorm was located near South Dos
  Areas affected: Fresno, CA; Madera, CA; Merced, CA
Effective: Apr 9 5:44 pm Expired: Apr 9 6:30 pm Duration: 0 hrs   46 mins  
SVRHNX
  Areas affected: Madera, CA; Merced, CA
Effective: Apr 9 6:24 pm Expired: Apr 9 7:30 pm Duration: 1 hr   06 mins  
At 632 PM PDT, a severe thunderstorm was located 9 miles southwest of
  Areas affected: Madera, CA; Merced, CA
Effective: Apr 9 6:32 pm Expired: Apr 9 7:30 pm Duration: 0 hrs   58 mins  
San Joaquin County
SVR.gif   SEVERE THUNDERSTORM WARNING   (6 updates)
SVRSTO
  Areas affected: San Joaquin, CA; Stanislaus, CA
Effective: Apr 9 6:52 pm Expired: Apr 9 7:30 pm Duration: 0 hrs   38 mins  
SVRSTO
  Areas affected: San Joaquin, CA; Stanislaus, CA
Effective: Apr 9 7:14 pm Expired: Apr 9 7:45 pm Duration: 0 hrs   31 mins  
At 708 PM PDT, a severe thunderstorm was located over Empire, or over
  Areas affected: San Joaquin, CA; Stanislaus, CA
Effective: Apr 9 7:09 pm Expired: Apr 9 7:30 pm Duration: 0 hrs   21 mins  
  Areas affected: San Joaquin, CA; Stanislaus, CA
Effective: Apr 9 7:25 pm Expired: Apr 9 7:45 pm Duration: 0 hrs   20 mins  
SVRSTO
  Areas affected: San Joaquin, CA; Stanislaus, CA
Effective: Apr 9 7:39 pm Expired: Apr 9 8:15 pm Duration: 0 hrs   36 mins  
At 757 PM PDT, a severe thunderstorm was located over Escalon, or 7
  Areas affected: San Joaquin, CA; Stanislaus, CA
Effective: Apr 9 7:58 pm Expired: Apr 9 8:15 pm Duration: 0 hrs   17 mins  
Stanislaus County
SVR.gif   SEVERE THUNDERSTORM WARNING   (6 updates)
SVRSTO
  Areas affected: San Joaquin, CA; Stanislaus, CA
Effective: Apr 9 6:52 pm Expired: Apr 9 7:30 pm Duration: 0 hrs   38 mins  
SVRSTO
  Areas affected: San Joaquin, CA; Stanislaus, CA
Effective: Apr 9 7:14 pm Expired: Apr 9 7:45 pm Duration: 0 hrs   31 mins  
At 708 PM PDT, a severe thunderstorm was located over Empire, or over
  Areas affected: San Joaquin, CA; Stanislaus, CA
Effective: Apr 9 7:09 pm Expired: Apr 9 7:30 pm Duration: 0 hrs   21 mins  
  Areas affected: San Joaquin, CA; Stanislaus, CA
Effective: Apr 9 7:25 pm Expired: Apr 9 7:45 pm Duration: 0 hrs   20 mins  
SVRSTO
  Areas affected: San Joaquin, CA; Stanislaus, CA
Effective: Apr 9 7:39 pm Expired: Apr 9 8:15 pm Duration: 0 hrs   36 mins  
At 757 PM PDT, a severe thunderstorm was located over Escalon, or 7
  Areas affected: San Joaquin, CA; Stanislaus, CA
Effective: Apr 9 7:58 pm Expired: Apr 9 8:15 pm Duration: 0 hrs   17 mins  


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