681  
FXUS01 KWBC 302008  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
408 PM EDT MON OCT 30 2017  
 
VALID 00Z TUE OCT 31 2017 - 00Z THU NOV 02 2017  
   
..HEAVY SNOW POSSIBLE OVER PARTS OF THE NORTHERN ROCKIES
 
 
...HEAVY SNOW POSSIBLE OVER PARTS OF THE NORTHERN WISCONSIN AND  
THE EXTREME WESTERN UPPER PENINSULA OF MICHIGAN...  
   
..HEAVY RAIN POSSIBLE OVER PARTS OF THE WESTERN GULF COAST
 
 
A DEEP UPPER-LEVEL LOW OVER JAMES BAY WILL SLOWLY MOVE  
NORTHEASTWARD TO THE DAVIS STRAIT BY WEDNESDAY. UPPER-LEVEL  
ENERGY OVER THE CENTRAL PLAINS/MIDDLE MISSISSIPPI VALLEY WILL MOVE  
EASTWARD AROUND THE UPPER-LEVEL LOW TO MAINE BY TUESDAY AFTERNOON  
THEN MOVING INTO EASTERN CANADA BY WEDNESDAY. LIGHT SNOW AND RAIN  
WILL DEVELOP OVER PARTS OF UPPER GREAT LAKES/UPPER MISSISSIPPI  
VALLEY THROUGH TUESDAY MORNING. TUESDAY INTO WEDNESDAY, LAKE  
ENHANCED SNOW WILL DEVELOP OVER OVER PARTS OF UPPER GREAT LAKES  
THAT WILL BEGIN TO WANE ON WEDNESDAY. IN ADDITION, RAIN WILL  
DEVELOP OVER THE PARTS OF THE OHIO VALLEY INTO THE LOWER GREAT  
LAKES THAT WILL END OVER THE OHIO VALLEY BY EARLY TUESDAY MORNING.  
THE RAIN OVER THE LOWER GREAT LAKES WILL ALSO WANE BY WEDNESDAY  
MORNING.  
 
MORE TO FOLLOW  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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