El Dorado County   2 alerts

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

LAKE WIND ADVISORY   (2 updates) Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area Effective: Nov 20 7:23 pm Expired: Nov 21 4:00 am Duration: 8 hrs   37 mins   Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area Effective: Nov 21 2:22 am Expired: Nov 21 4:00 am Duration: 1 hr   38 mins

W. Slope N. Sierra

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

Placer County   2 alerts

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

LAKE WIND ADVISORY   (2 updates) Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area Effective: Nov 20 7:23 pm Expired: Nov 21 4:00 am Duration: 8 hrs   37 mins   Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area Effective: Nov 21 2:22 am Expired: Nov 21 4:00 am Duration: 1 hr   38 mins

Nevada County   4 alerts

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

LAKE WIND ADVISORY   (2 updates) Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area Effective: Nov 20 7:23 pm Expired: Nov 21 4:00 am Duration: 8 hrs   37 mins   Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area Effective: Nov 21 2:22 am Expired: Nov 21 4:00 am Duration: 1 hr   38 mins

WIND ADVISORY   Areas affected: Northern Sacramento Valley; Central Sacramento Valley; Northeast Foothills/Sacramento Valley Effective: Nov 20 9:50 pm Expired: Nov 21 7:00 am Duration: 9 hrs   10 mins

FLOOD WATCH   (2 updates) 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: Nov 20 12:43 pm Expired: Nov 21 6:00 am Duration: 17 hrs   17 mins   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: Nov 21 1:08 am Expired: Nov 21 4:00 pm Duration: 14 hrs   52 mins

Plumas County   2 alerts

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

FLOOD ADVISORY   Areas affected: Lassen, CA; Plumas, CA; Sierra, CA Effective: Nov 20 2:18 pm Expired: Nov 23 12:00 pm Duration: 2 days   21 hrs   42 mins

Amador County

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

Alpine County   2 alerts

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

LAKE WIND ADVISORY   (2 updates) Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area Effective: Nov 20 7:23 pm Expired: Nov 21 4:00 am Duration: 8 hrs   37 mins   Areas affected: Greater Lake Tahoe Area; Greater Lake Tahoe Area Effective: Nov 21 2:22 am Expired: Nov 21 4:00 am Duration: 1 hr   38 mins

Butte County   3 alerts

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

WIND ADVISORY   Areas affected: Northern Sacramento Valley; Central Sacramento Valley; Northeast Foothills/Sacramento Valley Effective: Nov 20 9:50 pm Expired: Nov 21 7:00 am Duration: 9 hrs   10 mins

FLOOD WATCH   (2 updates) 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: Nov 20 12:43 pm Expired: Nov 21 6:00 am Duration: 17 hrs   17 mins   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: Nov 21 1:08 am Expired: Nov 21 4:00 pm Duration: 14 hrs   52 mins

Calaveras County

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

Lassen County   2 alerts

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

FLOOD ADVISORY   Areas affected: Lassen, CA; Plumas, CA; Sierra, CA Effective: Nov 20 2:18 pm Expired: Nov 23 12:00 pm Duration: 2 days   21 hrs   42 mins

Shasta County   3 alerts

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

WIND ADVISORY   Areas affected: Northern Sacramento Valley; Central Sacramento Valley; Northeast Foothills/Sacramento Valley Effective: Nov 20 9:50 pm Expired: Nov 21 7:00 am Duration: 9 hrs   10 mins

FLOOD WATCH   (2 updates) 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: Nov 20 12:43 pm Expired: Nov 21 6:00 am Duration: 17 hrs   17 mins   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: Nov 21 1:08 am Expired: Nov 21 4:00 pm Duration: 14 hrs   52 mins

Sierra County   2 alerts

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

FLOOD ADVISORY   Areas affected: Lassen, CA; Plumas, CA; Sierra, CA Effective: Nov 20 2:18 pm Expired: Nov 23 12:00 pm Duration: 2 days   21 hrs   42 mins

Tehama County   3 alerts

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

WIND ADVISORY   Areas affected: Northern Sacramento Valley; Central Sacramento Valley; Northeast Foothills/Sacramento Valley Effective: Nov 20 9:50 pm Expired: Nov 21 7:00 am Duration: 9 hrs   10 mins

FLOOD WATCH   (2 updates) 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: Nov 20 12:43 pm Expired: Nov 21 6:00 am Duration: 17 hrs   17 mins   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: Nov 21 1:08 am Expired: Nov 21 4:00 pm Duration: 14 hrs   52 mins

Tuolumne County

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

Yuba County   3 alerts

WINTER STORM WARNING   Areas affected: Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada Effective: Nov 20 9:20 pm Expired: Nov 21 4:00 am Duration: 6 hrs   40 mins

WIND ADVISORY   Areas affected: Northern Sacramento Valley; Central Sacramento Valley; Northeast Foothills/Sacramento Valley Effective: Nov 20 9:50 pm Expired: Nov 21 7:00 am Duration: 9 hrs   10 mins

FLOOD WATCH   (2 updates) 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: Nov 20 12:43 pm Expired: Nov 21 6:00 am Duration: 17 hrs   17 mins   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: Nov 21 1:08 am Expired: Nov 21 4:00 pm Duration: 14 hrs   52 mins

N.E. Foothills Sac Valley   2 alerts

WIND ADVISORY   Areas affected: Northern Sacramento Valley; Central Sacramento Valley; Northeast Foothills/Sacramento Valley Effective: Nov 20 9:50 pm Expired: Nov 21 7:00 am Duration: 9 hrs   10 mins

FLOOD WATCH   (2 updates) 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: Nov 20 12:43 pm Expired: Nov 21 6:00 am Duration: 17 hrs   17 mins   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: Nov 21 1:08 am Expired: Nov 21 4:00 pm Duration: 14 hrs   52 mins

Colusa County   2 alerts

WIND ADVISORY   Areas affected: Northern Sacramento Valley; Central Sacramento Valley; Northeast Foothills/Sacramento Valley Effective: Nov 20 9:50 pm Expired: Nov 21 7:00 am Duration: 9 hrs   10 mins

FLOOD WATCH   (2 updates) 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: Nov 20 12:43 pm Expired: Nov 21 6:00 am Duration: 17 hrs   17 mins   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: Nov 21 1:08 am Expired: Nov 21 4:00 pm Duration: 14 hrs   52 mins

Glenn County   2 alerts

WIND ADVISORY   Areas affected: Northern Sacramento Valley; Central Sacramento Valley; Northeast Foothills/Sacramento Valley Effective: Nov 20 9:50 pm Expired: Nov 21 7:00 am Duration: 9 hrs   10 mins

FLOOD WATCH   (2 updates) 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: Nov 20 12:43 pm Expired: Nov 21 6:00 am Duration: 17 hrs   17 mins   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: Nov 21 1:08 am Expired: Nov 21 4:00 pm Duration: 14 hrs   52 mins

Sutter County   2 alerts

WIND ADVISORY   Areas affected: Northern Sacramento Valley; Central Sacramento Valley; Northeast Foothills/Sacramento Valley Effective: Nov 20 9:50 pm Expired: Nov 21 7:00 am Duration: 9 hrs   10 mins

FLOOD WATCH   (2 updates) 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: Nov 20 12:43 pm Expired: Nov 21 6:00 am Duration: 17 hrs   17 mins   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: Nov 21 1:08 am Expired: Nov 21 4:00 pm Duration: 14 hrs   52 mins

Alameda County   2 alerts

FLOOD ADVISORY   Areas affected: Alameda, CA; Contra Costa, CA; Marin, CA Effective: Nov 20 11:17 pm Expired: Nov 21 5:15 am Duration: 5 hrs   58 mins

WIND ADVISORY   Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast Effective: Nov 20 2:02 pm Expired: Nov 21 6:00 am Duration: 15 hrs   58 mins

Contra Costa County   2 alerts

FLOOD ADVISORY   Areas affected: Alameda, CA; Contra Costa, CA; Marin, CA Effective: Nov 20 11:17 pm Expired: Nov 21 5:15 am Duration: 5 hrs   58 mins

WIND ADVISORY   Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast Effective: Nov 20 2:02 pm Expired: Nov 21 6:00 am Duration: 15 hrs   58 mins

Los Angeles County   4 alerts

FLOOD ADVISORY   (3 updates) Areas affected: Alameda, CA; Contra Costa, CA; Marin, CA Effective: Nov 20 11:17 pm Expired: Nov 21 5:15 am Duration: 5 hrs   58 mins   Areas affected: Marin, CA; Sonoma, CA Effective: Nov 20 7:27 pm Expired: Nov 21 1:30 am Duration: 6 hrs   03 mins   Areas affected: Marin, CA; Sonoma, CA Effective: Nov 21 1:13 am Expired: Nov 21 3:30 am Duration: 2 hrs   17 mins

WIND ADVISORY   Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast Effective: Nov 20 2:02 pm Expired: Nov 21 6:00 am Duration: 15 hrs   58 mins

FLOOD WATCH   Areas affected: Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys Effective: Nov 20 2:34 pm Expired: Nov 21 6:00 am Duration: 15 hrs   26 mins

HIGH SURF ADVISORY   Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast Effective: Nov 20 2:07 pm Expired: Nov 21 3:00 am Duration: 12 hrs   53 mins

Marin County   4 alerts

FLOOD ADVISORY   (3 updates) Areas affected: Alameda, CA; Contra Costa, CA; Marin, CA Effective: Nov 20 11:17 pm Expired: Nov 21 5:15 am Duration: 5 hrs   58 mins   Areas affected: Marin, CA; Sonoma, CA Effective: Nov 20 7:27 pm Expired: Nov 21 1:30 am Duration: 6 hrs   03 mins   Areas affected: Marin, CA; Sonoma, CA Effective: Nov 21 1:13 am Expired: Nov 21 3:30 am Duration: 2 hrs   17 mins

WIND ADVISORY   Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast Effective: Nov 20 2:02 pm Expired: Nov 21 6:00 am Duration: 15 hrs   58 mins

FLOOD WATCH   Areas affected: Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys Effective: Nov 20 2:34 pm Expired: Nov 21 6:00 am Duration: 15 hrs   26 mins

HIGH SURF ADVISORY   Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast Effective: Nov 20 2:07 pm Expired: Nov 21 3:00 am Duration: 12 hrs   53 mins

Napa County   3 alerts

WIND ADVISORY   Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast Effective: Nov 20 2:02 pm Expired: Nov 21 6:00 am Duration: 15 hrs   58 mins

FLOOD WATCH   Areas affected: Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys Effective: Nov 20 2:34 pm Expired: Nov 21 6:00 am Duration: 15 hrs   26 mins

FLOOD ADVISORY   (2 updates) Areas affected: Napa, CA; Sonoma, CA Effective: Nov 20 11:18 pm Expired: Nov 21 5:15 am Duration: 5 hrs   57 mins   Areas affected: Napa, CA; Sonoma, CA Effective: Nov 20 10:27 pm Expired: Nov 21 2:15 am Duration: 3 hrs   48 mins

San Francisco County   2 alerts

WIND ADVISORY   Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast Effective: Nov 20 2:02 pm Expired: Nov 21 6:00 am Duration: 15 hrs   58 mins

HIGH SURF ADVISORY   Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast Effective: Nov 20 2:07 pm Expired: Nov 21 3:00 am Duration: 12 hrs   53 mins

San Mateo County   2 alerts

WIND ADVISORY   Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast Effective: Nov 20 2:02 pm Expired: Nov 21 6:00 am Duration: 15 hrs   58 mins

HIGH SURF ADVISORY   Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast Effective: Nov 20 2:07 pm Expired: Nov 21 3:00 am Duration: 12 hrs   53 mins

Santa Clara County

WIND ADVISORY   Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast Effective: Nov 20 2:02 pm Expired: Nov 21 6:00 am Duration: 15 hrs   58 mins

Santa Cruz County   3 alerts

WIND ADVISORY   Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast Effective: Nov 20 2:02 pm Expired: Nov 21 6:00 am Duration: 15 hrs   58 mins

HIGH SURF ADVISORY   Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast Effective: Nov 20 2:07 pm Expired: Nov 21 3:00 am Duration: 12 hrs   53 mins

BEACH HAZARDS STATEMENT   Areas affected: Northern Monterey Bay Effective: Nov 20 2:07 pm Expired: Nov 21 3:00 am Duration: 12 hrs   53 mins

Sonoma County   4 alerts

WIND ADVISORY   Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast Effective: Nov 20 2:02 pm Expired: Nov 21 6:00 am Duration: 15 hrs   58 mins

FLOOD ADVISORY   (5 updates) Areas affected: Marin, CA; Sonoma, CA Effective: Nov 20 7:27 pm Expired: Nov 21 1:30 am Duration: 6 hrs   03 mins   Areas affected: Napa, CA; Sonoma, CA Effective: Nov 20 11:18 pm Expired: Nov 21 5:15 am Duration: 5 hrs   57 mins   Areas affected: Napa, CA; Sonoma, CA Effective: Nov 20 10:27 pm Expired: Nov 21 2:15 am Duration: 3 hrs   48 mins   Areas affected: Sonoma, CA Effective: Nov 20 9:21 pm Expired: Nov 21 3:15 am Duration: 5 hrs   54 mins   Areas affected: Marin, CA; Sonoma, CA Effective: Nov 21 1:13 am Expired: Nov 21 3:30 am Duration: 2 hrs   17 mins

FLOOD WATCH   Areas affected: Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys Effective: Nov 20 2:34 pm Expired: Nov 21 6:00 am Duration: 15 hrs   26 mins

HIGH SURF ADVISORY   Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast Effective: Nov 20 2:07 pm Expired: Nov 21 3:00 am Duration: 12 hrs   53 mins

Del Norte County   2 alerts

FLOOD WATCH   Areas affected: Coastal Del Norte; Del Norte Interior Effective: Nov 20 10:42 pm Expired: Nov 21 6:45 am Duration: 8 hrs   03 mins

HIGH WIND WATCH   Areas affected: Coastal Del Norte; Del Norte Interior; Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior Effective: Nov 20 9:51 pm Expired: Nov 21 6:00 am Duration: 8 hrs   09 mins

Humboldt County   3 alerts

HIGH WIND WATCH   Areas affected: Coastal Del Norte; Del Norte Interior; Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior Effective: Nov 20 9:51 pm Expired: Nov 21 6:00 am Duration: 8 hrs   09 mins

FLOOD ADVISORY   (3 updates) Areas affected: Humboldt, CA; Mendocino, CA; Trinity, CA Effective: Nov 20 11:12 pm Expired: Nov 21 2:15 am Duration: 3 hrs   03 mins   Areas affected: Humboldt, CA Effective: Nov 21 12:40 am Expired: Nov 21 6:45 am Duration: 6 hrs   05 mins   Areas affected: Humboldt, CA; Mendocino, CA; Trinity, CA Effective: Nov 21 1:24 am Expired: Nov 21 4:15 am Duration: 2 hrs   51 mins

FLOOD WATCH   (2 updates) Areas affected: Northern Humboldt Coast; Southwestern Humboldt; Northern Humboldt Interior; Southern Humboldt Interior Effective: Nov 20 10:42 pm Expired: Nov 21 6:45 am Duration: 8 hrs   03 mins   The Flood Watch is extended for the following rivers in California Areas affected: Northern Humboldt Coast Effective: Nov 20 2:43 pm Expired: Nov 20 10:45 pm Duration: 8 hrs   02 mins

Mendocino County   3 alerts

FLOOD ADVISORY   (2 updates) Areas affected: Humboldt, CA; Mendocino, CA; Trinity, CA Effective: Nov 20 11:12 pm Expired: Nov 21 2:15 am Duration: 3 hrs   03 mins   Areas affected: Humboldt, CA; Mendocino, CA; Trinity, CA Effective: Nov 21 1:24 am Expired: Nov 21 4:15 am Duration: 2 hrs   51 mins

FLOOD WATCH   (2 updates) Areas affected: Mendocino Coast; Northwestern Mendocino Interior; Northeastern Mendocino Interior; Southwestern Mendocino Interior; Southeastern Mendocino Interior Effective: Nov 20 10:42 pm Expired: Nov 21 6:45 am Duration: 8 hrs   03 mins   The Flood Watch is extended for the following rivers in California Areas affected: Southeastern Mendocino Interior Effective: Nov 20 2:43 pm Expired: Nov 20 10:45 pm Duration: 8 hrs   02 mins

WIND ADVISORY   Areas affected: Mendocino Coast Effective: Nov 20 9:51 pm Expired: Nov 21 6:00 am Duration: 8 hrs   09 mins

Trinity County   3 alerts

FLOOD ADVISORY   (2 updates) Areas affected: Humboldt, CA; Mendocino, CA; Trinity, CA Effective: Nov 20 11:12 pm Expired: Nov 21 2:15 am Duration: 3 hrs   03 mins   Areas affected: Humboldt, CA; Mendocino, CA; Trinity, CA Effective: Nov 21 1:24 am Expired: Nov 21 4:15 am Duration: 2 hrs   51 mins

FLOOD WATCH   Areas affected: Southern Trinity Effective: Nov 20 10:42 pm Expired: Nov 21 6:45 am Duration: 8 hrs   03 mins

WINTER STORM WARNING   Areas affected: Northern Trinity Effective: Nov 20 9:17 pm Expired: Nov 21 3:00 am Duration: 5 hrs   43 mins

Lake County   2 alerts

FLOOD ADVISORY   Areas affected: Lake, CA Effective: Nov 20 11:27 pm Expired: Nov 21 1:30 am Duration: 2 hrs   03 mins

FLOOD WATCH   Areas affected: Northern Lake County; Southern Lake County Effective: Nov 20 10:42 pm Expired: Nov 21 6:45 am Duration: 8 hrs   03 mins

Northern Lake County

FLOOD WATCH   Areas affected: Northern Lake County; Southern Lake County Effective: Nov 20 10:42 pm Expired: Nov 21 6:45 am Duration: 8 hrs   03 mins

Southern Lake County

FLOOD WATCH   Areas affected: Northern Lake County; Southern Lake County Effective: Nov 20 10:42 pm Expired: Nov 21 6:45 am Duration: 8 hrs   03 mins

Monterey County

HIGH SURF ADVISORY   Areas affected: San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast Effective: Nov 20 2:07 pm Expired: Nov 21 3:00 am Duration: 12 hrs   53 mins

Modoc County   2 alerts

HIGH WIND WARNING   (4 updates) Areas affected: Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County Effective: Nov 20 6:41 pm Expired: Nov 21 4:00 am Duration: 9 hrs   19 mins   Areas affected: Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County Effective: Nov 21 1:30 am Expired: Nov 21 2:00 pm Duration: 12 hrs   30 mins   Areas affected: Northeast Siskiyou and Northwest Modoc Counties Effective: Nov 21 2:12 am Expired: Nov 21 4:00 pm Duration: 13 hrs   48 mins   Areas affected: Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County Effective: Nov 21 2:12 am Expired: Nov 21 4:00 pm Duration: 13 hrs   48 mins

WIND ADVISORY   Areas affected: Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County Effective: Nov 21 2:12 am Expired: Nov 21 4:00 pm Duration: 13 hrs   48 mins

Siskiyou County   4 alerts

HIGH WIND WARNING   (6 updates) Areas affected: Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County Effective: Nov 20 6:41 pm Expired: Nov 21 4:00 am Duration: 9 hrs   19 mins   Areas affected: Central Siskiyou County Effective: Nov 20 6:41 pm Expired: Nov 21 4:00 am Duration: 9 hrs   19 mins   Areas affected: Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County Effective: Nov 21 1:30 am Expired: Nov 21 2:00 pm Duration: 12 hrs   30 mins   Areas affected: Central Siskiyou County Effective: Nov 21 1:30 am Expired: Nov 21 2:00 pm Duration: 12 hrs   30 mins   Areas affected: Northeast Siskiyou and Northwest Modoc Counties Effective: Nov 21 2:12 am Expired: Nov 21 4:00 pm Duration: 13 hrs   48 mins   Areas affected: Central Siskiyou County Effective: Nov 21 2:12 am Expired: Nov 21 4:00 pm Duration: 13 hrs   48 mins

FLOOD WARNING   (2 updates) Areas affected: Siskiyou, CA Effective: Nov 20 10:46 pm Expired: Nov 23 12:00 am Duration: 2 days   1 hr   14 mins   Areas affected: Siskiyou, CA; Coos, OR; Curry, OR; Jackson, OR; Josephine, OR Effective: Nov 20 12:45 pm Expired: Nov 23 12:00 am Duration: 2 days   11 hrs   15 mins

WINTER WEATHER ADVISORY   Areas affected: South Central Siskiyou County; North Central and Southeast Siskiyou County Effective: Nov 20 9:53 pm Expired: Nov 21 7:00 am Duration: 9 hrs   07 mins

AVALANCHE WARNING   AVWMFR Areas affected: South Central Siskiyou County Effective: Nov 18 10:44 pm Expired: Nov 21 12:00 pm Duration: 2 days   13 hrs   16 mins

San Luis Obispo County

HIGH SURF ADVISORY   (2 updates) Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches Effective: Nov 20 7:34 pm Expired: Nov 21 4:00 am Duration: 8 hrs   26 mins   Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches Effective: Nov 21 12:19 am Expired: Nov 21 10:00 am Duration: 9 hrs   41 mins

Santa Barbara County

HIGH SURF ADVISORY   (2 updates) Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches Effective: Nov 20 7:34 pm Expired: Nov 21 4:00 am Duration: 8 hrs   26 mins   Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches Effective: Nov 21 12:19 am Expired: Nov 21 10:00 am Duration: 9 hrs   41 mins

Ventura County

FROST ADVISORY   Areas affected: Ojai Valley; Calabasas and Agoura Hills Effective: Nov 20 8:05 pm Expired: Nov 21 8:00 am Duration: 11 hrs   55 mins