909  
FXUS01 KWBC 140804  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD  
403 AM EDT SUN SEP 14 2008  
 
VALID 12Z SUN SEP 14 2008 - 00Z TUE SEP 16 2008  
 
TROPICAL DEPRESSION IKE IS FORECAST TO MOVE NORTHWARD OUT OF  
ARKANSAS AND BECOME AN EXTRATROPICAL LOW BY SUNDAY EVENING. THE  
STORM WILL CONTINUE TO MOVE NORTHEASTWARD AS A WAVE ALONG A FRONT  
MOVING INTO SOUTHEASTERN CANADA BY MONDAY MORNING. HEAVY RAIN AND  
THUNDERSTORMS WILL MOVE NORTHEASTWARD WITH THE LOW CENTER FROM THE  
MIDDLE MISSISSIPPI VALLEY TO THE GREAT LAKES BY SUNDAY EVENING.  
 
MEANWHILE ... A COLD FRONT EXTENDING FROM THE GREAT LAKES TO JUST  
NORTH OF IKE WILL MERGE WITH IKE AS THE STORM BECOMES  
EXTRATROPICAL. IN ADDITION ... A COLD FRONT WILL DEVELOP FORM THE  
EXTRATROPICAL LOW AND EXTEND TO THE WESTERN GULF COAST. RAIN AND  
SOME THUNDERSTORMS WILL EXTEND FROM THE NORTHEAST WESTWARD TO THE  
UPPER MISSISSIPPI VALLEY THROUGH SUNDAY MORNING.  
 
AFTER THE SYSTEM BECOMES EXTRATROPICAL ... THE FRONTAL SYSTEM WILL  
MOVE FROM THE GREAT LAKES/LOWER MISSISSIPPI VALLEY TO THE EAST  
COAST BY MONDAY. BY MONDAY MORNING THE RAIN OVER THE NORTHEAST  
WILL COME TO AN END. SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER  
THE GULF COAST AND THE SOUTHEAST THROUGH MONDAY. ADDITIONALLY ...  
HIGH PRESSURE WILL DOMINATE MOST OF THE OTHER AREAS OF THE LOWER  
48 STATES BY MONDAY TOO.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT WWW.HPC.NCEP.NOAA.GOV  

 
 
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