Long Beach, CA Warnings, Watches and Advisories

When a severe thunderstorm warning is issued, the storm may produce damaging winds, large hail, dangerous lightning, and heavy rain. In some cases, heavy rainfall produced by a severe storm can also lead to flash flooding. 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 Long Beach.

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

Frost Advisory issued September 1 at 4:01AM PDT until September 2 at 8:00AM PDT by NWS Medford OR

* WHAT...Temperatures between 38 and 33 degrees will result in frost formation. * WHERE...In California, Modoc County including the communities of Alturas, Likely, Canby, and Lookout. In Oregon, parts of Klamath County including the communities of Crescent, Chemult, Sprague River, Beatty, Bly, Dairy, Bonanza, and Lorella. Additionally, parts of Lake County including Fort Rock and across the Christmas Valley, Silver Lake, and areas just east of Lakeview. * WHEN...From 4 AM to 8 AM PDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Red Flag Warning issued September 1 at 12:43AM PDT until September 1 at 11:00PM PDT by NWS Reno NV

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM PDT TUESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR PORTIONS OF NE CALIFORNIA AND NW NEVADA... * CHANGES...None. * Affected Area...Fire Weather Zone 270 Surprise Valley California, Fire Weather Zone 278 Eastern Lassen County, Fire Weather Zone 458 Northern Washoe County, including the S-1 Vya Fire. * Winds...Southwest 15 to 25 mph with gusts of 30 to 40 mph. Ridgetop gusts up to 45 mph. Winds shift to westerly in the late afternoon and evening. * Humidity...RH reductions to 12 to 17 percent in the afternoon. Nighttime recoveries of 50 to 80 percent Wednesday morning. * Duration...3 to 6 hours. * Impacts...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them.

Lake Wind Advisory issued August 31 at 1:21PM PDT until September 1 at 8:00PM PDT by NWS Reno NV

* WHAT...Southwest winds 15 to 25 mph with gusts up to 35 mph. Wave heights up to 3 feet on Lake Tahoe and Pyramid Lake. * WHERE...Greater Lake Tahoe Area, Lassen-Eastern Plumas-Eastern Sierra Counties, Greater Reno-Carson City-Minden Area, and Western Nevada Basin and Range including: Lake Tahoe, Pyramid Lake, Eagle Lake, Honey Lake, Lake Davis, Frenchman Lake, Stampede Reservoir, Donner Lake, Prosser and Boca Reservoirs, Washoe Lake, and Topaz Lake. * WHEN...From 11 AM to 8 PM PDT Tuesday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft.