222  
FXUS01 KWBC 242002  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
401 PM EDT TUE OCT 24 2017  
 
VALID 00Z WED OCT 25 2017 - 00Z FRI OCT 27 2017  
   
..HEAVY RAIN POSSIBLE OVER PARTS OF NEW ENGLAND
 
 
...TEMPERATURES WILL BE 15 TO 25 DEGREES ABOVE AVERAGE OVER PARTS  
OF THE NORTHERN/CENTRAL HIGH PLAINS...  
 
STRONG UPPER-LEVEL ENERGY OVER THE GREAT LAKES WILL AID IN  
PRODUCING RAIN OVER THE GREAT LAKES AND PARTS OF THE OHIO VALLEY  
THROUGH WEDNESDAY EVENING. WET SNOW WILL ALSO DEVELOP OVER PARTS  
OF THE NORTHWESTERN PART OF THE UPPER PENINSULA OF MICHIGAN THAT  
WILL END OVERNIGHT TUESDAY.  
 
MEANWHILE, A SLOW MOVING FRONT ALONG THE EAST COAST WILL SLOWLY  
MOVE OFF MOST OF THE COAST BY WEDNESDAY MORNING. A STATIONARY  
PART OF THE BOUNDARY WILL LINGER OVER NEW ENGLAND THROUGH  
THURSDAY. SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG AND NEAR  
THE BOUNDARY OVER PARTS OF NEW ENGLAND THROUGH WEDNESDAY MORNING.  
RAIN WILL DEVELOP OVER PARTS OF NEW ENGLAND WEDNESDAY MORNING INTO  
THURSDAY. ADDITIONALLY, SHOWERS AND THUNDERSTORMS WILL DEVELOP  
OVER PARTS OF SOUTHERN FLORIDA THAT WILL SLOWLY MOVE OFF THE  
FLORIDA COAST BY WEDNESDAY AFTERNOON.  
 
LOW PRESSURE AND ASSOCIATED FRONT WILL MOVE SOUTHEASTWARD OUT OF  
SOUTH-CENTRAL CANADA, TUESDAY NIGHT, THAT WILL MOVE TO THE OHIO  
VALLEY AND DISSIPATE OVERNIGHT WEDNESDAY. A NARROW AREA OF RAIN  
WILL DEVELOP OVER PARTS OF THE UPPER MISSISSIPPI VALLEY/UPPER  
GREAT LAKES INTO THE OHIO VALLEY BY WEDNESDAY EVENING AND ENDING.  
 
IN THE MEANTIME, ANOTHER FRONT WILL MOVE ONSHORE OVER THE PACIFIC  
NORTHWEST ON WEDNESDAY MORNING THAT WILL MOVE INLAND TO THE UPPER  
MISSISSIPPI VALLEY/CENTRAL PLAINS INTO THE CENTRAL ROCKIES BY  
THURSDAY MORNING. RAIN WILL DEVELOP OVER PARTS OF THE NORTHWEST  
ON WEDNESDAY MORNING ENDING OVERNIGHT WEDNESDAY. LATE WEDNESDAY  
NIGHT, SNOW AND LOWER ELEVATION RAIN WILL DEVELOP OVER PARTS OF  
THE NORTHERN ROCKIES INTO THURSDAY. ON THURSDAY MORNING, RAIN  
WILL DEVELOP OVER PARTS OF THE NORTHERN PLAINS AND UPPER  
MISSISSIPPI VALLEY.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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