FLASH FLOOD WATCH NATIONAL WEATHER SERVICE SPOKANE WA 1244 PM PDT THU AUG 1 2013 ...POTENTIAL FOR FLASH FLOODING THIS AFTERNOON AND EVENING... .THUNDERSTORMS ARE DEVELOPING OVER THE MOUNTAINS OF CHELAN AND OKANOGAN COUNTIES. MANY OF THESE STORMS WILL BE SLOW MOVING OR STATIONARY THROUGH THE AFTERNOON...WHILE PRODUCING RAIN IN AN INCREASINGLY MOIST AND UNSTABLE ENVIRONMENT. ANY PERSISTENT THUNDERSTORMS OVER OR NEAR BURN SCARS AND STEEP SPARSELY VEGETATED SLOPES WILL BECOME CAPABLE OF PRODUCING FLASH FLOODS AND DEBRIS FLOWS THIS AFTERNOON AND EVENING. INCLUDING THE FOLLOWING LOCATIONS...WENATCHEE...LEAVENWORTH... CASHMERE...ENTIAT...CHELAN...MANSON...PLAIN...OMAK...OKANOGAN...BREWSTER...OROVILLE...MAZAMA...WINTHROP...METHOW...TWISP...CONCONULLY ...FLASH FLOOD WATCH IN EFFECT UNTIL 9 PM PDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A * FLASH FLOOD WATCH FOR A PORTION OF NORTH CENTRAL WASHINGTON... INCLUDING THE FOLLOWING COUNTIES...CHELAN AND OKANOGAN. * UNTIL 9 PM PDT THIS EVENING * NUMEROUS AND INCREASINGLY WET THUNDERSTORMS WILL PERSIST THROUGH THIS AFTERNOON AND EVENING. * FLASH FLOODING IS POSSIBLE ESPECIALLY OVER RECENT BURN SCARS AND NARROW GULLYS OR CANYONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING OR DEBRIS FLOWS. FLASH FLOODING AND DEBRIS FLOWS ARE VERY DANGEROUS. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS...MONITOR NOAA WEATHER RADIO OR OTHER WEATHER INFORMATION SOURCES. BE PREPARED TO TAKE ACTION ON SHORT NOTICE IF HEAVY RAINFALL OCCURS OR IF FLASH FLOOD WARNINGS ARE ISSUED. FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=OTX
Posted on: Thu, 01 Aug 2013 21:14:44 +0000
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