871  
FXUS01 KWBC 061944  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD  
344 PM EDT TUE OCT 06 2009  
 
VALID 00Z WED OCT 07 2009 - 12Z THU OCT 08 2009  
 
A FAST MOVING AREA OF LOW PRESSURE IS FORECAST TO TRACK FROM THE  
UPPER MIDWEST TO THE NEW ENGLAND COAST OVER THE NEXT DAY AND A  
HALF... WITH A WIDESPREAD SHIELD OF MODERATE TO HEAVY RAINS MOVING  
OUT AHEAD OF IT. SCATTERED SHOWERS AND THUNDERSTORMS...WITH  
POCKETS OF ORGANIZED STRONG STORMS ARE EXPECTED TO ACCOMPANY THE  
LOW'S TRAILING COLD FRONT TONIGHT AS IT SWEEPS ACROSS THE OHIO AND  
TENNESSEE VALLEYS INTO THE EASTERN U.S. WHILE SINKING SOUTH INTO  
THE GULF COAST STATES.  
 
HIGH PRESSURE WILL BUILD EASTWARD FROM THE PLAINS BEHIND THIS  
FRONT... BRINGING CLEARING SKIES WITH IT. AS THE HIGH MOVES EAST  
OF THE MISSISSIPPI... SOUTHERLY FLOW WILL RETURN AGAIN ACROSS THE  
PLAINS BRINING WARMER TEMPERATURES AND MOISTURE BACK INTO THE  
CENTRAL PLAINS ON WEDNESDAY. ORGANIZED STRONG STORMS ARE EXPECTED  
TO DEVELOP LATE WEDNESDAY INTO EARLY THURSDAY FROM THE SOUTHERN  
PLAINS NORTHEASTWARD INTO THE MID MISSISSIPPI VALLEY OUT AHEAD OF  
THE NEXT SURGE OF COLD CANADIAN PUSHING SOUTHEASTWARD THROUGH THE  
NORTHERN PLAINS AND ROCKIES.  
 
PEREIRA  
 
GRAPHICS AVAILABLE AT WWW.HPC.NCEP.NOAA.GOV  
 
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