California County Alert Archives from the National Weather Service

El Dorado County 2 alerts

WINTER STORM WATCH (2 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

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

WINTER STORM WATCH (2 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

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

WINTER STORM WATCH (2 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

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

WINTER STORM WATCH (2 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

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

WINTER STORM WATCH (2 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

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

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

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

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

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

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

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

WINTER STORM WATCH (2 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

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 2 alerts

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

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

Sierra County 2 alerts

WINTER STORM WATCH (2 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

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 2 alerts

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

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

Tuolumne County 2 alerts

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

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: 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

Yuba County 2 alerts

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

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 2 alerts

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

WINTER STORM WARNING
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

Madera County 2 alerts

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

WINTER STORM WARNING
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

Mariposa County 2 alerts

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

WINTER STORM WARNING
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

Tulare County 2 alerts

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

WINTER STORM WARNING
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

Mono County

WINTER STORM WATCH
Areas affected: Mono
Effective: Apr 8 1:27 pm	Expired: Apr 9 4:00 pm	Duration: 1 day 2 hrs 33 mins

W. Slope N. Sierra 2 alerts

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

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

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

WIND ADVISORY (3 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

WINTER STORM WARNING
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

Humboldt County 2 alerts

SPECIAL WEATHER STATEMENT (4 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

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

SPECIAL WEATHER STATEMENT (8 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

Imperial County

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

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

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