Livermore, 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 Livermore.

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

Flash Flood Warning issued July 18 at 11:58AM PDT until July 18 at 2:00PM PDT by NWS San Diego CA

FFWSGX The National Weather Service in San Diego has issued a * Flash Flood Warning for... San Bernardino County in southern California... * Until 200 PM PDT. * At 1158 AM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 0.5 to 1 inch in 1 hour. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Big Bear Lake, Running Springs, Hwy 18 Between Running Springs And Big Bear and Fawnskin.

Flash Flood Warning issued July 18 at 11:54AM PDT until July 18 at 3:00PM PDT by NWS Las Vegas NV

FFWVEF The National Weather Service in Las Vegas has issued a * Flash Flood Warning for... San Bernardino County in southern California... * Until 300 PM PDT. * At 1154 AM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life-threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life-threatening flash flooding of low-water crossings, creeks, normally dry washes and roads. * Some locations that will experience flash flooding include... Nipton and Nipton And Ivanpah Roads.

Flood Advisory issued July 18 at 11:15AM PDT until July 18 at 2:15PM PDT by NWS Las Vegas NV

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Portions of southern California, including the following county, San Bernardino and southern Nevada, including the following county, Clark. * WHEN...Until 215 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1115 AM PDT, Doppler radar indicated heavy rain due to thunderstorms along the New York Mountains and southern McCullogh Range. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1 inch of rain has fallen. - Some locations that will experience flooding include... Searchlight, Nipton Road Mile Marker 3, Nipton, Nipton And Ivanpah Roads and Cal-Nev-Ari. - http://www.weather.gov/safety/flood

Flood Advisory issued July 18 at 10:39AM PDT until July 18 at 12:30PM PDT by NWS Las Vegas NV

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of southern California, including the following county, San Bernardino. * WHEN...Until 1230 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry washes. * ADDITIONAL DETAILS... - At 1039 AM PDT, Light to moderate rain continued mainly north of Interstate 15 and along the Highway 127 corridor. Minor flooding remains possible. - Some locations that will experience flooding include... mainly rural areas of San Bernardino County - This includes California Highway 127 north of Baker. - http://www.weather.gov/safety/flood