890  
FXUS01 KWBC 312000  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
359 PM EDT TUE OCT 31 2017  
 
VALID 00Z WED NOV 01 2017 - 00Z FRI NOV 03 2017  
 
...HEAVY SNOW LIKELY OVER PARTS OF THE CENTRAL AND NORTHERN  
ROCKIES...  
 
...HEAVY SNOW POSSIBLE OVER PARTS OF THE NORTHERN WISCONSIN AND  
THE EXTREME WESTERN PARTS OF THE UPPER PENINSULA OF MICHIGAN...  
   
..HEAVY RAIN POSSIBLE OVER PARTS OF THE WESTERN GULF COAST
 
 
LINGERING MOISTURE ALONG A WEAKENING FRONTAL BOUNDARY WILL KEEP  
SHOWERS AND THUNDERSTORMS IN THE FORECAST FROM THE SOUTHERN PLAINS  
NORTHWARD THROUGH THE OHIO VALLEY AND INTO THE NORTHEAST THE NEXT  
COUPLE OF DAYS. HEAVY RAINFALL WILL BE LIKELY ACROSS PORTIONS OF  
THE SOUTHERN PLAINS AND CENTRAL GULF COAST THIS EVENING AND INTO  
TOMORROW, WITH ISOLATED FLASH FLOODING AND SEVERE THUNDERSTORMS  
POSSIBLE. ON THE NORTH SIDE OF THE FRONT, ANOTHER DAY OF COOL  
TEMPERATURES FROM THE OHIO VALLEY TO THE NORTHEAST IS IN THE  
FORECAST ON WEDNESDAY, WITH SOME PRECIPITATION MIXING WITH OR  
CHANGING TO SNOW DURING THE OVERNIGHT HOURS POSSIBLE. BY THURSDAY,  
EXPECT A SHARP WARM UP WITH TEMPERATURES CLOSE TO 10 DEGREES ABOVE  
NORMAL AHEAD OF A SECOND SYSTEM APPROACHING FROM THE WEST.  
 
MULTIPLE WAVES OF ENERGY MOVING THROUGH ALOFT OVER THE NORTHERN  
TIER STATES WILL HELP PUSH A COLD FRONT THROUGH THE NORTHERN  
ROCKIES, NORTHERN AND CENTRAL PLAINS, AND THE UPPER MIDWEST THE  
NEXT FEW DAYS. DAYTIME RAIN AND OVERNIGHT ACCUMULATING SNOWFALL  
WILL BE POSSIBLE, ESPECIALLY ACROSS THE NORTHERN PLAINS AND THE  
UPPER MISSISSIPPI VALLEY. GENERALLY, 2 TO 4 INCHES OF SNOW IS  
FORECAST ACROSS THESE AREAS WITH WINTER STORM WARNINGS ALSO IN  
EFFECT FOR PORTIONS OF NORTHERN MINNESOTA. FARTHER TO THE WEST,  
HEAVY MOUNTAIN SNOWS ARE POSSIBLE WITH UPWARDS OF A FOOT POSSIBLE  
IN THE HIGHEST TERRAIN OF THE NORTHERN ROCKIES. BEHIND THE FRONT,  
TEMPERATURES WILL BE CHILLY WITH AFTERNOON HIGHS AROUND 10 DEGREES  
BELOW NORMAL.  
 
 
SANTORELLI  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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