Severe Weather Alerts - Simi Valley, CA

  • Special Weather Statement

    Special Weather Statement in effect until 4:00 PM PDT. Source: U.S. National Weather Service

...THREAT OF MONSOONAL THUNDERSTORMS LATE TONIGHT THROUGH WEDNESDAY...

A STRONG UPPER LEVEL HIGH PRESSURE SYSTEM CURRENTLY CENTERED OVER NEVADAWILL BRING INCREASING EAST TO SOUTHEAST FLOW OVER SOUTHERNCALIFORNIA. AS A RESULT...A SIGNIFICANT SURGE OF MONSOONAL MOISTUREWILL MOVE INTO SOUTHWEST CALIFORNIA LATE TONIGHT THROUGH WEDNESDAY.THE GREATEST THREAT OF SHOWERS AND THUNDERSTORMS WILL BE ACROSS THEMOUNTAINS AND ANTELOPE VALLEY LATE TONIGHT INTO TUESDAY. DUE TO THEEASTERLY UPPER LEVEL FLOW ON MONDAY...THERE WILL ALSO BE A SLIGHTCHANCE OF SHOWERS AND THUNDERSTORMS ACROSS MOST COASTAL AND VALLEYAREAS.

THE DEEPER MONSOONAL MOISTURE WILL BRING THE POTENTIAL FOR BRIEF HEAVYRAINFALL WITH STORMS THAT DEVELOP ON MONDAY AND TUESDAY...ESPECIALLYACROSS THE MOUNTAINS AND ANTELOPE VALLEY. WHILE STORMS ARE EXPECTEDTO BE FAST MOVING...THERE WILL BE THE POTENTIAL FOR LOCALIZED FLOODINGOF ROADWAYS AND ARROYOS. ON TUESDAY...THE THREAT OF THUNDERSTORMS ISEXPECTED TO REMAIN CONFINED TO THE MOUNTAINS AND DESERTS. WITH WEAKERUPPER LEVEL WINDS ON TUESDAY...STORMS WILL LIKELY MOVE SLOWER. AS ARESULT...THERE WILL BE AN INCREASED THREAT OF FLASH FLOODING.

IT WILL NOT BE AS HOT ACROSS MUCH OF THE REGION TOMORROW DUE TO THEINCREASED MOISTURE AND CLOUD COVERAGE...WITH INTERIOR SECTIONSGENERALLY REMAINING IN THE 90S. HOWEVER...THERE WILL BE ASIGNIFICANT INCREASE IN HUMIDITY ON MONDAY THAT WILL CONTINUE TOBRING DISCOMFORT.

ANYONE PLANNING OUTDOOR ACTIVITIES IN THE MOUNTAINS AND DESERTSDURING THE NEXT FEW DAYS SHOULD CAREFULLY MONITOR THE LATESTNATIONAL WEATHER SERVICE FORECASTS AND STATEMENTS DUE TO THEPOTENTIAL HAZARDS ASSOCIATED WITH THUNDERSTORMS.

Simi Valley, CA Radar