Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Jan 4 12:46 pm
Expired: Jan 5 10:00 am
Duration: 21 hrs 14 mins
W. Slope N. Sierra
WINTER STORM WARNING
Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
Placer County
WINTER STORM WARNING (2 updates)
Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Jan 4 12:46 pm
Expired: Jan 5 10:00 am
Duration: 21 hrs 14 mins
Nevada County 2 alerts
WINTER STORM WARNING (2 updates)
Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Jan 4 12:46 pm
Expired: Jan 5 10:00 am
Duration: 21 hrs 14 mins
FLOOD WATCH
Areas affected: Shasta Lake Area / Northern Shasta County; Northern Sacramento Valley; Central Sacramento Valley; Mountains Southwestern Shasta County to Western Colusa County; Northeast Foothills/Sacramento Valley
Effective: Jan 4 11:48 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 12 mins
Plumas County 2 alerts
WINTER STORM WARNING
Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
WINTER WEATHER ADVISORY
Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Jan 4 12:46 pm
Expired: Jan 5 10:00 am
Duration: 21 hrs 14 mins
Amador County
WINTER STORM WARNING
Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
Alpine County
WINTER STORM WARNING (2 updates)
Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area
Effective: Jan 4 12:46 pm
Expired: Jan 5 10:00 am
Duration: 21 hrs 14 mins
Butte County 2 alerts
WINTER STORM WARNING
Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
FLOOD WATCH
Areas affected: Shasta Lake Area / Northern Shasta County; Northern Sacramento Valley; Central Sacramento Valley; Mountains Southwestern Shasta County to Western Colusa County; Northeast Foothills/Sacramento Valley
Effective: Jan 4 11:48 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 12 mins
Calaveras County
WINTER STORM WARNING
Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
Lassen County 2 alerts
WINTER STORM WARNING
Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
WINTER WEATHER ADVISORY
Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Jan 4 12:46 pm
Expired: Jan 5 10:00 am
Duration: 21 hrs 14 mins
Shasta County 2 alerts
WINTER STORM WARNING
Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
FLOOD WATCH
Areas affected: Shasta Lake Area / Northern Shasta County; Northern Sacramento Valley; Central Sacramento Valley; Mountains Southwestern Shasta County to Western Colusa County; Northeast Foothills/Sacramento Valley
Effective: Jan 4 11:48 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 12 mins
Sierra County 2 alerts
WINTER STORM WARNING
Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
WINTER WEATHER ADVISORY
Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties
Effective: Jan 4 12:46 pm
Expired: Jan 5 10:00 am
Duration: 21 hrs 14 mins
Tehama County 2 alerts
WINTER STORM WARNING
Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
FLOOD WATCH
Areas affected: Shasta Lake Area / Northern Shasta County; Northern Sacramento Valley; Central Sacramento Valley; Mountains Southwestern Shasta County to Western Colusa County; Northeast Foothills/Sacramento Valley
Effective: Jan 4 11:48 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 12 mins
Tuolumne County
WINTER STORM WARNING (2 updates)
Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Grant Grove Area; Sequoia NP; South End of the Upper Sierra
Effective: Jan 4 11:33 pm
Expired: Jan 5 8:00 am
Duration: 8 hrs 27 mins
Yuba County 2 alerts
WINTER STORM WARNING
Areas affected: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
Effective: Jan 4 11:18 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 42 mins
FLOOD WATCH
Areas affected: Shasta Lake Area / Northern Shasta County; Northern Sacramento Valley; Central Sacramento Valley; Mountains Southwestern Shasta County to Western Colusa County; Northeast Foothills/Sacramento Valley
Effective: Jan 4 11:48 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 12 mins
N.E. Foothills Sac Valley
FLOOD WATCH
Areas affected: Shasta Lake Area / Northern Shasta County; Northern Sacramento Valley; Central Sacramento Valley; Mountains Southwestern Shasta County to Western Colusa County; Northeast Foothills/Sacramento Valley
Effective: Jan 4 11:48 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 12 mins
Colusa County
FLOOD WATCH
Areas affected: Shasta Lake Area / Northern Shasta County; Northern Sacramento Valley; Central Sacramento Valley; Mountains Southwestern Shasta County to Western Colusa County; Northeast Foothills/Sacramento Valley
Effective: Jan 4 11:48 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 12 mins
Glenn County
FLOOD WATCH
Areas affected: Shasta Lake Area / Northern Shasta County; Northern Sacramento Valley; Central Sacramento Valley; Mountains Southwestern Shasta County to Western Colusa County; Northeast Foothills/Sacramento Valley
Effective: Jan 4 11:48 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 12 mins
Sutter County
FLOOD WATCH
Areas affected: Shasta Lake Area / Northern Shasta County; Northern Sacramento Valley; Central Sacramento Valley; Mountains Southwestern Shasta County to Western Colusa County; Northeast Foothills/Sacramento Valley
Effective: Jan 4 11:48 pm
Expired: Jan 5 4:00 pm
Duration: 16 hrs 12 mins
Alameda County
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Jan 4 9:36 pm
Expired: Jan 5 5:45 am
Duration: 8 hrs 09 mins
Contra Costa County
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Jan 4 9:36 pm
Expired: Jan 5 5:45 am
Duration: 8 hrs 09 mins
Los Angeles County
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Jan 4 9:36 pm
Expired: Jan 5 5:45 am
Duration: 8 hrs 09 mins
Marin County
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Jan 4 9:36 pm
Expired: Jan 5 5:45 am
Duration: 8 hrs 09 mins
Napa County
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Jan 4 9:36 pm
Expired: Jan 5 5:45 am
Duration: 8 hrs 09 mins
San Mateo County
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Jan 4 9:36 pm
Expired: Jan 5 5:45 am
Duration: 8 hrs 09 mins
Santa Clara County
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Jan 4 9:36 pm
Expired: Jan 5 5:45 am
Duration: 8 hrs 09 mins
Sonoma County
COASTAL FLOOD ADVISORY
Areas affected: North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: Jan 4 9:36 pm
Expired: Jan 5 5:45 am
Duration: 8 hrs 09 mins
Del Norte County
FLOOD WATCH
Areas affected: Coastal Del Norte; Del Norte Interior
Effective: Jan 4 9:31 am
Expired: Jan 5 5:00 pm
Duration: 1 day 7 hrs 29 mins
Fresno County 2 alerts
WINTER STORM WARNING
Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Grant Grove Area; Sequoia NP; South End of the Upper Sierra
Effective: Jan 4 11:33 pm
Expired: Jan 5 8:00 am
Duration: 8 hrs 27 mins
FLOOD WATCH
Areas affected: Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Yosemite Valley; San Joaquin River Canyon
Effective: Jan 4 5:42 pm
Expired: Jan 5 3:00 am
Duration: 9 hrs 18 mins
Kern County 2 alerts
WINTER STORM WARNING
Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Grant Grove Area; Sequoia NP; South End of the Upper Sierra
Effective: Jan 4 11:33 pm
Expired: Jan 5 8:00 am
Duration: 8 hrs 27 mins
FLOOD WATCH
Areas affected: Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Yosemite Valley; San Joaquin River Canyon
Effective: Jan 4 5:42 pm
Expired: Jan 5 3:00 am
Duration: 9 hrs 18 mins
Madera County 2 alerts
WINTER STORM WARNING
Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Grant Grove Area; Sequoia NP; South End of the Upper Sierra
Effective: Jan 4 11:33 pm
Expired: Jan 5 8:00 am
Duration: 8 hrs 27 mins
FLOOD WATCH
Areas affected: Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Yosemite Valley; San Joaquin River Canyon
Effective: Jan 4 5:42 pm
Expired: Jan 5 3:00 am
Duration: 9 hrs 18 mins
Mariposa County 2 alerts
WINTER STORM WARNING
Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Grant Grove Area; Sequoia NP; South End of the Upper Sierra
Effective: Jan 4 11:33 pm
Expired: Jan 5 8:00 am
Duration: 8 hrs 27 mins
FLOOD WATCH
Areas affected: Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Yosemite Valley; San Joaquin River Canyon
Effective: Jan 4 5:42 pm
Expired: Jan 5 3:00 am
Duration: 9 hrs 18 mins
Tulare County 2 alerts
WINTER STORM WARNING
Areas affected: Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Grant Grove Area; Sequoia NP; South End of the Upper Sierra
Effective: Jan 4 11:33 pm
Expired: Jan 5 8:00 am
Duration: 8 hrs 27 mins
FLOOD WATCH
Areas affected: Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Yosemite Valley; San Joaquin River Canyon
Effective: Jan 4 5:42 pm
Expired: Jan 5 3:00 am
Duration: 9 hrs 18 mins
Merced County
FLOOD WATCH
Areas affected: Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Yosemite Valley; San Joaquin River Canyon
Effective: Jan 4 5:42 pm
Expired: Jan 5 3:00 am
Duration: 9 hrs 18 mins
Humboldt County 2 alerts
COASTAL FLOOD ADVISORY
Areas affected: Northern Humboldt Coast
Effective: Jan 4 10:16 pm
Expired: Jan 5 6:30 am
Duration: 8 hrs 14 mins
FLOOD WATCH
Areas affected: Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior; Southern Trinity; Mendocino Coast; Northwestern Mendocino Interior; Northeastern Mendocino Interior; Southwestern Mendocino Interior; Southeastern Mendocino Interior; Northern Lake County; Southern Lake County
Effective: Jan 4 9:31 am
Expired: Jan 5 10:00 pm
Duration: 1 day 12 hrs 29 mins
Lake County
FLOOD WATCH
Areas affected: Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior; Southern Trinity; Mendocino Coast; Northwestern Mendocino Interior; Northeastern Mendocino Interior; Southwestern Mendocino Interior; Southeastern Mendocino Interior; Northern Lake County; Southern Lake County
Effective: Jan 4 9:31 am
Expired: Jan 5 10:00 pm
Duration: 1 day 12 hrs 29 mins
Mendocino County
FLOOD WATCH (2 updates)
Areas affected: Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior; Southern Trinity; Mendocino Coast; Northwestern Mendocino Interior; Northeastern Mendocino Interior; Southwestern Mendocino Interior; Southeastern Mendocino Interior; Northern Lake County; Southern Lake County
Effective: Jan 4 9:31 am
Expired: Jan 5 10:00 pm
Duration: 1 day 12 hrs 29 mins
The National Weather Service in Eureka has issued a Flood Watch
for the following rivers in California
Areas affected: Southeastern Mendocino Interior
Effective: Jan 4 5:23 pm
Expired: Jan 5 9:00 am
Duration: 15 hrs 37 mins
Trinity County 2 alerts
FLOOD WATCH
Areas affected: Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior; Southern Trinity; Mendocino Coast; Northwestern Mendocino Interior; Northeastern Mendocino Interior; Southwestern Mendocino Interior; Southeastern Mendocino Interior; Northern Lake County; Southern Lake County
Effective: Jan 4 9:31 am
Expired: Jan 5 10:00 pm
Duration: 1 day 12 hrs 29 mins
WINTER STORM WARNING
Areas affected: Northern Trinity
Effective: Jan 4 8:25 pm
Expired: Jan 5 4:00 pm
Duration: 19 hrs 35 mins
Northern Lake County
FLOOD WATCH
Areas affected: Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior; Southern Trinity; Mendocino Coast; Northwestern Mendocino Interior; Northeastern Mendocino Interior; Southwestern Mendocino Interior; Southeastern Mendocino Interior; Northern Lake County; Southern Lake County
Effective: Jan 4 9:31 am
Expired: Jan 5 10:00 pm
Duration: 1 day 12 hrs 29 mins
Southern Lake County
FLOOD WATCH
Areas affected: Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior; Southern Trinity; Mendocino Coast; Northwestern Mendocino Interior; Northeastern Mendocino Interior; Southwestern Mendocino Interior; Southeastern Mendocino Interior; Northern Lake County; Southern Lake County
Effective: Jan 4 9:31 am
Expired: Jan 5 10:00 pm
Duration: 1 day 12 hrs 29 mins
Inyo County
WINTER STORM WARNING
Areas affected: Eastern Sierra Slopes of Inyo County
Effective: Jan 4 5:28 pm
Expired: Jan 5 4:00 am
Duration: 10 hrs 32 mins
Mono County
WINTER STORM WARNING
Areas affected: Mono
Effective: Jan 4 12:46 pm
Expired: Jan 5 10:00 am
Duration: 21 hrs 14 mins
San Diego County 2 alerts
BEACH HAZARDS STATEMENT
Areas affected: San Diego County Coastal Areas
Effective: Jan 4 9:42 pm
Expired: Jan 5 10:00 am
Duration: 12 hrs 18 mins
FLOOD ADVISORY
Areas affected: San Diego, CA
Effective: Jan 5 12:08 am
Expired: Jan 5 2:15 am
Duration: 2 hrs 07 mins
San Francisco County
COASTAL FLOOD ADVISORY
Areas affected: San Francisco
Effective: Jan 4 9:36 pm
Expired: Jan 5 5:45 am
Duration: 8 hrs 09 mins
San Luis Obispo County
HIGH SURF ADVISORY
Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
Effective: Jan 4 1:16 pm
Expired: Jan 5 8:00 am
Duration: 18 hrs 44 mins
Santa Barbara County 2 alerts
HIGH SURF ADVISORY
Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
Effective: Jan 4 1:16 pm
Expired: Jan 5 8:00 am
Duration: 18 hrs 44 mins
BEACH HAZARDS STATEMENT
Areas affected: Catalina and Santa Barbara Islands; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Malibu Coast; Los Angeles County Beaches
Effective: Jan 4 1:16 pm
Expired: Jan 5 8:00 am
Duration: 18 hrs 44 mins
Siskiyou County
WINTER STORM WARNING
Areas affected: Western Siskiyou County; South Central Siskiyou County; North Central and Southeast Siskiyou County
WINTER STORM WARNING 
FLOOD WATCH 
WINTER WEATHER ADVISORY 
COASTAL FLOOD ADVISORY 
BEACH HAZARDS STATEMENT 
HIGH SURF ADVISORY 
