Issued by The National Weather Service Seattle/Tacoma, WA Thu, Nov 27, 4:04 am PST ... FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF WESTERN WASHINGTON... INCLUDING THE FOLLOWING COUNTIES... SKAGIT... WHATCOM... KING... LEWIS... MASON... PIERCE... SNOHOMISH... THURSTON... . * THROUGH FRIDAY AFTERNOON * HEAVY RAIN BEGAN FALLING OVERNIGHT IN THE OLYMPICS AND THE CASCADES FROM ROUGHLY THE SNOHOMISH BASIN NORTHWARD... WITH MUCH OF THE AREA RECEIVING A HALF INCH TO ONE AND A HALF INCHES OF RAIN. ANOTHER 3 TO 5 INCHES OF RAIN IS LIKELY IN THIS SAME AREA TODAY THROUGH FRIDAY. THE CASCADES SOUTH OF THE SNOHOMISH BASIN WILL PROBABLY RECEIVE 2 TO 4 INCHES OF RAIN... BUT MUCH OF THAT WILL FALL ON FRIDAY. THE SNOW LEVEL WILL BE 5500 TO 7500 FEET TODAY AND TONIGHT... THEN FALL SLOWLY FRIDAY. * FLOODING IS POSSIBLE ON THE SKOKOMISH RIVER... WHICH FLOWS OFF THE SOUTHEAST SLOPES OF THE OLYMPICS... AND IT COULD BEGIN THIS EVENING. * RIVERS FLOWING OFF THE WEST SLOPES OF THE CASCADES FROM THE SNOHOMISH BASIN NORTHWARD COULD FLOOD... INCLUDING THE NOOKSACK... SKAGIT... STILLAGUAMISH... SKYKOMISH... TOLT... SNOQUALMIE... AND SNOHOMISH RIVERS. THESE RIVERS FLOODED OR CAME CLOSE TO FLOODING IN THE PAST COUPLE DAYS... AND THEY ARE STILL RUNNING HIGH. FLOODING ON THESE RIVERS COULD BEGIN TONIGHT OR FRIDAY. * THERE IS ALSO A THREAT OF FLOODING ON RIVERS THAT FLOW OFF THE WEST SLOPES OF THE CASCADES SOUTH OF THE SNOHOMISH BASIN. THAT INCLUDES THE GREEN RIVER... THE REACH OF THE PUYALLUP RIVER NEAR ORTING... THE CARBON... UPPER NISQUALLY... DESCHUTES... UPPER COWLITZ... AND REACH OF THE SKOOKUMCHUCK RIVER NEAR BUCODA. SEVERAL RIVERS IN THIS AREA FLOODED RECENTLY AS WELL... AND THEY ARE RUNNING HIGH. FLOODING ON THESE RIVERS... IF IT DOES OCCUR... WOULD MOST LIKELY BEGIN ON FRIDAY. * A MAJOR FLOODING EPISODE IS UNLIKELY... BUT MANY OF THE FLOOD- PRONE CASCADE RIVERS COULD HAVE MINOR TO MODERATE FLOODING. * A COLD FRONT WILL MOVE SOUTHEAST OF WESTERN WASHINGTON FRIDAY NIGHT... WITH COLD AND DRIER WEATHER THIS WEEKEND. RIVERS SHOULD THEN RECEDE AND THE FLOOD THREAT WILL END. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THAT FLOODING IS POSSIBLE BUT NOT OCCURRING. MONITOR THE WEATHER AND BE READY TO ACT QUICKLY IF FLOODING IS OBSERVED OR FLOOD WARNINGS ARE ISSUED. &&
Posted on: Thu, 27 Nov 2014 22:48:39 +0000
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