234  
FXUS01 KWBC 212005  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
304 PM EST TUE NOV 21 2017  
 
VALID 00Z WED NOV 22 2017 - 00Z FRI NOV 24 2017  
   
..HEAVY RAIN POSSIBLE OVER THE PACIFIC NORTHWEST
 
 
   
..RAIN CHANGING TO SNOW OVER PARTS OF THE LOWER GREAT LAKES
 
 
A FRONT EXTENDING FROM THE LOWER GREAT LAKES ROUGHLY SOUTHWESTWARD  
TO THE LOWER MISSISSIPPI VALLEY/SOUTHERN PLAINS WILL MOVE EAST AND  
SOUTHWARD TO OFF THE EASTERN SEABOARD AND OFF THE GULF COAST BY  
WEDNESDAY. AN AREA OF RAIN AND SNOW OVER PARTS OF THE GREAT LAKES  
WILL MOVE EASTWARD INTO NORTHERN NEW ENGLAND BY WEDNESDAY EVENING  
AND INTO CANADA BY LATE WEDNESDAY NIGHT. IN THE WAKE OF THE  
FRONT, LAKE EFFECT SNOW WILL DEVELOP FOR A SHORT TIME OVER PARTS  
OF THE UPPER GREAT LAKES ON TUESDAY EVENING, ENDING BY WEDNESDAY  
AFTERNOON.  
 
MORE TO FOLLOW  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab HPC Page Main Text Page