016  
FXUS01 KWBC 081930  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
329 PM EDT MON APR 08 2019  
 
VALID 00Z TUE APR 09 2019 - 00Z THU APR 11 2019  
 
...A RAPIDLY INTENSIFYING MAJOR WINTER STORM TO BRING HEAVY SNOWS  
THROUGH THE NORTHERN ROCKIES, HEAVY SNOWS AND BLIZZARD CONDITIONS  
TO PORTIONS OF THE NORTHERN/CENTRAL PLAINS INTO THE UPPER  
MISSISSIPPI VALLEY TUESDAY THROUGH THURSDAY...  
 
...THE RAPIDLY DEEPENING STORM WILL ALSO BRING POTENTIALLY  
DAMAGING WINDS FROM THE SOUTHWEST, GREAT BASIN, INTO PORTIONS OF  
THE CENTRAL TO SOUTHERN PLAINS. GUSTS OVER HURRICANE FORCE  
LIKELY...  
 
..WET WEATHER, LOCALLY HEAVY RAINS AND SEVERE WEATHER POSSIBLE  
ACROSS THE SOUTHEAST MONDAY NIGHT THROUGH TUESDAY...  
   
..ADDITIONAL SPRING SNOWS LIKELY FOR NORTHERN NEW ENGLAND
 
 
A MAJOR EARLY SPRING WINTER STORM WILL BE DEVELOPING TONIGHT INTO  
WEDNESDAY AS STRONG MID TO UPPER LEVEL HEIGHT FALLS PUSH INLAND  
ACROSS THE PACIFIC NORTHWEST TONIGHT, THROUGH THE NORTHERN ROCKIES  
AND GREAT BASIN ON TUESDAY AND INTO THE CENTRAL ROCKIES AND  
CENTRAL TO SOUTHERN HIGH PLAINS ON WEDNESDAY. HEAVY  
PRECIPITATION, THAT HAS BEEN FOCUSED INTO PORTIONS OF THE PACIFIC  
NORTHWEST OVER THE PAST FEW DAYS WILL BE PUSHING INLAND INTO THE  
NORTHERN GREAT BASIN/NORTHERN ROCKIES TONIGHT. INCREASING AREAL  
COVERAGE AND INTENSITY OF SNOW LIKELY THROUGH THE NORTHERN ROCKIES  
TUESDAY, SPREADING INTO PORTIONS OF THE NORTHERN TO CENTRAL PLAINS  
INTO THE UPPER MISSISSIPPI TUESDAY NIGHT INTO WEDNESDAY,  
CONTINUING INTO THURSDAY ACROSS PORTIONS OF THE CENTRAL TO  
NORTHERN PLAINS INTO THE UPPER MISSISSIPPI VALLEY. WIDESPREAD  
HEAVY SNOWS LIKELY FROM THIS STORM OVER THE NEXT FEW DAYS, WITH  
AMOUNTS IN EXCESS OF A FOOT LIKELY THROUGH THE NORTHERN ROCKIES  
AND ACROSS PORTIONS OF THE NORTHERN TO CENTRAL PLAINS AND UPPER  
MISSISSIPPI VALLEY.  
 
THIS STORM IS EXPECTED TO INTENSIFY RAPIDLY LATE TUESDAY INTO  
WEDNESDAY. THIS WILL PRODUCE INCREASING WINDS ACROSS A LARGE  
REGIONS FROM THE SOUTHWEST, GREAT BASIN AND ACROSS MUCH OF THE  
MIDDLE SECTION OF THE NATION FROM THE SOUTHERN PLAINS TO THE  
NORTHERN PLAINS. THESE POTENTIALLY HIGH WINDS WILL PRODUCE  
LIFE-THREATENING TRAVEL CONDITIONS WITH BLIZZARD CONDITIONS  
POSSIBLE OVER PORTIONS OF THE CENTRAL/NORTHERN PLAINS INTO THE  
UPPER MISSISSIPPI VALLEY LATE TUESDAY INTO THURSDAY. TO THE SOUTH  
OF THE REGION OF HEAVY SNOWS, DAMAGING WINDS LIKELY FROM THE  
SOUTHWEST, ACROSS PORTIONS OF THE GREAT BASIN ON TUESDAY AND INTO  
THE SOUTHERN AND CENTRAL PLAINS DURING WEDNESDAY. SUSTAINED WINDS  
OF 30 TO 50 MPH, WITH GUSTS OVER HURRICANE FORCE POSSIBLE ACROSS  
THESE REGIONS.  
 
AHEAD OF THE DEVELOPING WESTERN TO CENTRAL U.S. STORM, WET WEATHER  
WILL PERSIST TONIGHT INTO TUESDAY ACROSS THE SOUTHEASTERN U.S.  
ASSOCIATED WITH AN AREA OF LOW PRESSURE PUSHING EAST ACROSS THIS  
REGION. MODERATE TO LOCALLY HEAVY RAINS POSSIBLE ACROSS THIS  
REGION, ALONG WITH THE POTENTIAL FOR SEVERE WEATHER FROM  
THUNDERSTORMS TONIGHT AND AGAIN TUESDAY AFTERNOON.  
 
BESIDES THE DEVELOPING WINTER STORM ACROSS PORTIONS OF THE WESTERN  
TO CENTRAL U.S., WINTRY WEATHER WILL MAINTAIN ITS GRIP ON PORTIONS  
OF NORTHERN NEW ENGLAND. A LEAD AREA OF WINTER WEATHER CURRENTLY  
AFFECTING NORTHERN NEW ENGLAND MONDAY AFTERNOON WILL BE WINDING  
DOWN TONIGHT. THIS WILL BE FOLLOWED BY POTENTIAL FOR ADDITIONAL  
SNOWY WEATHER FROM LATE TUESDAY AFTERNOON INTO TUESDAY NIGHT AND  
EARLY WEDNESDAY.  
 
ORAVEC  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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