Brisbane, CA Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Brisbane.

Use the Radar Maps link provided to understand the trajectory of a storm.

Wind Advisory issued November 24 at 1:07AM PST until November 24 at 8:00PM PST by NWS Medford OR

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...The Shasta Valley of Central Siskiyou County including Weed. * WHEN...From 7 AM this morning to 8 PM PST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Dense Fog Advisory issued November 23 at 11:13PM PST until November 24 at 9:00AM PST by NWS Los Angeles/Oxnard CA

* WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...A portion of southwest California. * WHEN...Until 9 AM PST Sunday. * IMPACTS...Low visibility could make driving conditions hazardous.

Winter Storm Watch issued November 23 at 10:35PM PST until November 26 at 4:00PM PST by NWS Reno NV

* WHAT...Heavy snow. For the Tahoe Basin and northeast California, snow accumulations 3 to 8 inches with 1 to 2 feet possible above 7000 feet. For Mono County, snow accumulations 4 to 8 inches with up to 3 feet possible above 7000 feet. * WHERE...Greater Lake Tahoe Area, Lassen-Eastern Plumas-Eastern Sierra Counties, and Mono County. * WHEN...From late Sunday night through Tuesday afternoon. * IMPACTS...Travel could be very difficult, especially across area passes.

Wind Advisory issued November 23 at 9:28PM PST until November 24 at 4:00AM PST by NWS Las Vegas NV

* WHAT...Southwest winds 20 to 30 mph with gusts 40 to 50 mph. * WHERE...Death Valley National Park and Western Mojave Desert. * WHEN...Until 4 AM PST Sunday. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Areas of blowing dust may result in locally reduced visibility. * ADDITIONAL DETAILS...The strongest winds are expected across the southern portions of Death Valley National Park and northwest San Bernardino County.

Winter Storm Warning issued November 23 at 9:22PM PST until November 26 at 4:00AM PST by NWS Medford OR

* WHAT...Heavy snow expected mainly above 4000 feet. Total snow accumulations up to 24 inches for remote parts of Mount Shasta. 8 to 12 inches of snow for Snowmans Summit and Dead Horse Summit on Highway 89. Winds could gust as high as 40 mph. * WHERE...Portions of south central Siskiyou County above 4000 feet, including Snowmans Summit and Dead Horse Summit along Highway 89 and Mount Shasta Ski Road. * WHEN...From 10 AM Sunday to 4 AM PST Tuesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...The heaviest snowfall, up to 1" per hour, will fall in at least two waves, the first one occuring between generally between 4 pm and 8 pm on Sunday. We will update the timing for additional rounds of the heavier snowfall rates once we get closer to the event.

Winter Storm Warning issued November 23 at 9:02PM PST until November 25 at 4:00PM PST by NWS Eureka CA

* WHAT...Heavy snow expected ABOVE 4500 FEET. Total snow accumulations between 8 and 15 inches. 1 to 2 inches possible between 2500 to 3000 feet. Winds gusting as high as 45 mph over the ridges. * WHERE...Northern Trinity. * WHEN...From 10 AM Sunday to 4 PM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. Tire chains may be necessary if travelling through mountain passes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow impacting Highway 3 at Scott Mountain Pass.

Wind Advisory issued November 23 at 9:01PM PST until November 24 at 4:00PM PST by NWS Eureka CA

* WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Del Norte County, Humboldt Interior, and Southwestern Humboldt. * WHEN...From 6 AM to 4 PM PST Sunday. * IMPACTS...Wind gusts will be particularly strong along windward ridges and exposed coastal headlands. There is an increased risk of tree branches and other debris on roadways. Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winter Storm Warning issued November 23 at 9:01PM PST until November 27 at 4:00PM PST by NWS Hanford CA

* WHAT...Heavy snow Sierra Nevada above 7000 feet. Additional snow accumulations between 1 and 5 feet. Higher elevation could see up to 7 feet of snow. Winds gusting as high as 50 mph. * WHERE...A portion of central California. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes.

Winter Storm Warning issued November 23 at 7:06PM PST until November 27 at 10:00AM PST by NWS Las Vegas NV

* WHAT...Additional snowfall accumulations up to 3 inches tonight. For the Winter Storm Warning, heavy snow expected above 7000 to 8000 feet. Total snow accumulations between 1.5 and 2 feet below 8500 feet and 3 to 5 feet near the crest. Winds gusting as high as 45 mph. * WHERE...Eastern Sierra Slopes. * WHEN...From 4 AM Monday to 10 AM PST Wednesday. * IMPACTS...Roads will become snow covered and hazardous. Travel could be very difficult to impossible. Strong winds could create areas of blowing and drifting snow. * ADDITIONAL DETAILS...Snow levels will begin around 7000 feet and increase to 8000 feet during the day Monday. Peak snowfall rates could approach 2 inches per hour. Snow levels will likely fall below 8000 feet again Wednesday morning.

Winter Weather Advisory issued November 23 at 7:06PM PST until November 27 at 10:00AM PST by NWS Las Vegas NV

* WHAT...Snow expected above 7000 feet. Total snow accumulations between 8 and 16 inches, higher amounts possible near the peaks. * WHERE...White and Inyo Mountains. * WHEN...From 4 AM Monday to 10 AM PST Wednesday. * IMPACTS...Roads will likely become slick and hazardous. Travel could be very difficult at times. * ADDITIONAL DETAILS...Snow levels will begin around 7000 feet and increase to 8000 feet during the day Monday. Snow levels will likely fall below 8000 feet again Wednesday morning.

Flood Warning issued November 23 at 4:06PM PST until November 24 at 4:00AM PST by NWS Sacramento CA

...The National Weather Service in Sacramento CA has issued a Flood Warning for the following rivers in California... Sacramento River At Ord Ferry affecting Butte and Glenn Counties. For the Upper Sacramento River...Ord Ferry...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Sacramento River at Ord Ferry. * WHEN...Until late tonight. * IMPACTS...At 114.0 feet, Designated flood stage left bank. * ADDITIONAL DETAILS... - At 3:45 PM PST Saturday the stage was 113.0 feet. - Bankfull stage is 114.0 feet. - Forecast...Forecast to fluctuate near 114.0 FT into just after midnight tonight then forecast to fall below monitor stage of 110.0 FT early tomorrow afternoon then forecast to recede to near 102.0 FT Monday morning then forecast to rise to near 102.5 FT Monday afternoon with continued rise expected. * Impact...Near 113.8 feet, Design overflow level for M&T, 3Bs and Goose Lake flood control facilities to divert flood flows into Butte Basin. M&T overflows close River Road from Ord Ferry Road to Chico Road. Ord Ferry Road is already closed. Near 114.0 feet, Designated flood stage left bank. Near 110.3 feet, Head cuts in 3Bs silt weir start overflow into Butte Basin, flooding dips on Ord Ferry Road west of River Road. Persistent flows at or above this level increase flooding in Butte Basin. Ord Ferry Road and additional roads in Glenn and Colusa counties are closed due to flooding. - Flood stage is 114.0 feet. - Flood History...This crest compares to a previous crest of 114.1 feet on 01/03/2002. - http://www.weather.gov/safety/flood

Flood Advisory issued November 23 at 3:14PM PST until November 25 at 6:00AM PST by NWS San Francisco CA

* WHAT...Small stream flooding caused by excessive rainfall is expected. * WHERE...Portions of central Sonoma County. * WHEN...Until 600 AM PST Monday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 314 PM PST, This is causing small stream flooding. Overflowing poor drainage areas have already caused minor flooding in the advisory area. - Some locations that will experience flooding include... Santa Rosa, Forestville and Graton. - http://www.weather.gov/safety/flood

Winter Storm Warning issued November 23 at 1:11PM PST until November 26 at 4:00PM PST by NWS Sacramento CA

* WHAT...Heavy snow expected for elevations above 5500 feet. Total snow accumulations of 1 to 4 feet and up to 5 feet along higher peaks. * WHERE...West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park Counties. * WHEN...Until 4 PM PST Tuesday. * IMPACTS...Snow-covered roads, chain controls and travel delays are likely which will result in very difficult travel at times above 5500 feet. * ADDITIONAL DETAILS...Snow levels today will be around 5000 feet today. Snowfall will decrease in intensity tonight into Sunday afternoon. Heavy snow at times again Monday and Tuesday with snow levels 5500-6500 feet.