746  
FXUS01 KWBC 232029  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
328 PM EST SAT DEC 23 2017  
 
VALID 00Z SUN DEC 24 2017 - 00Z TUE DEC 26 2017  
 
...HEAVY SNOW POSSIBLE OVER PARTS OF THE NORTHEAST AND THE UPPER  
GREAT LAKES...  
 
...SNOW POSSIBLE FOR PART OF THE CASCADES AND THE NORTHERN/CENTRAL  
ROCKIES...  
 
...SNOW, RAIN, AND FREEZING RAIN MIXED OVER PARTS OF THE  
NORTHEAST...  
 
LOW PRESSURE OVER NORTHERN NEW ENGLAND WILL MOVE NORTHEASTWARD  
INTO THE CANADIAN MARITIMES BY SUNDAY MORNING, CHRISTMAS EVE,  
WHILE DEVELOPING AREA OF LOW DEVELOPS OVER THE SOUTHEAST. SNOW,  
RAIN, AND FREEZING RAIN, MIXED WILL DEVELOP OVER PARTS OF NORTHERN  
NEW ENGLAND ON SATURDAY EVENING THAT WILL CHANGE OVER TO AREAS OF  
RAIN AND SNOW OVERNIGHT SATURDAY OVER NORTHERN NEW ENGLAND. THESE  
AREAS OF RAIN/SNOW WILL COME TO AN END OVER THE NORTHEAST BY  
SUNDAY MORNING. SNOW WILL ALSO DEVELOP OVER PARTS OF THE LOWER  
GREAT LAKES/EASTERN OHIO VALLEY THAT WILL WANE BY LATE SATURDAY  
NIGHT. IN ADDITION, RAIN WILL DEVELOP OVER SOUTHERN NEW ENGLAND  
INTO THE NORTHERN MID-ATLANTIC THAT WILL, LIKEWISE, END BY SUNDAY  
MORNING. RAIN AND A FEW EMBEDDED THUNDERSTORMS WILL DEVELOP ALONG  
THE ASSOCIATED FRONT OVER PARTS OF THE SOUTHERN  
MID-ATLANTIC/SOUTHEAST THAT WILL MOVE OFF THE COAST SUNDAY MORNING  
INTO AFTERNOON.  
 
MORE TO FOLLOW  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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