...FLASH FLOOD WATCH NOW IN EFFECT THROUGH MONDAY EVENING... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * A PORTION OF SOUTHWEST CALIFORNIA...INCLUDING THE FOLLOWING AREAS...SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE AND SANTA ANA MOUNTAINS AND FOOTHILLS. * THROUGH MIDNIGHT MONDAY NIGHT * AN INFLUX OF MOISTURE FROM THE REMNANTS FROM TROPICAL DEPRESSION IVO ARE EXPECTED INTO MONDAY. THIS WILL INCREASE THE FLASH FLOOD POTENTIAL FROM THUNDERSTORMS. THUNDERSTORMS THAT FORM IN THE INLAND EMPIRE WILL LIKELY TRACK TOWARD THE SANTA ANA MOUNTAINS BEFORE DISSIPATING. * ANY RAINFALL GREATER THAN 0.20 INCHES IN 15 MINUTES OR 0.50 INCHES IN A HALF HOUR ON THE FALLS BURN AREA WILL LEAD TO RAPID FLASH FLOODING AND DEBRIS FLOWS. THIS WOULD IMPACT HIGHWAY 74 AND THE COMMUNITY OF LAKE ELSINORE. SIMILARLY ANY MODERATE OR GREATER RAINFALL ON THE AREAS BURNED IN 2012 BY THE BUCK FIRE...AND IN 2011 BY THE TRILOGY FIRE...THE GARZA FIRE...THE GILMAN FIRE...WILL ALSO LEAD TO DEBRIS FLOWS AND FLASH FLOODING OVER AND DOWNSTREAM OF THESE BURNS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING AND DEBRIS FLOWS. FLASH FLOODING IS A VERY DANGEROUS SITUATION. HAVE A PLAN OF ACTION READY TO SHELTER IN PLACE OR MOVE TO HIGHER GROUND WHEN WARNINGS ARE ISSUED. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.
Posted on: Mon, 26 Aug 2013 05:40:28 +0000
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