202  
FXUS01 KWBC 081955  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
254 PM EST THU MAR 08 2018  
 
VALID 00Z FRI MAR 09 2018 - 00Z SUN MAR 11 2018  
   
..HEAVY SNOW POSSIBLE OVER NORTHERN NEW ENGLAND
 
 
   
..HEAVY SNOW POSSIBLE OVER THE CASCADES AND NORTHERN ROCKIES
 
 
   
..HEAVY LAKE ENHANCED SNOW DOWNWIND FROM THE LOWER GREAT LAKES
 
 
NOR'EASTERN WINDSDOWN AS LOW PRESSURE OVER NORTHERN NEW ENGLAND  
SLOWLY FILLS THROUGH SATURDAY. HEAVY SNOW WILL CONTINUE OVER  
NORTHERN MAINE THROUGH FRIDAY MORNING. THE SNOW WILL CONTINUE  
OVER PARTS OF THE NORTHEAST THROUGH SATURDAY. LAKE ENHANCED SNOW  
WILL DEVELOP DOWNWIND OF THE LOWER GREAT LAKES AS UPPER-LEVEL  
ENERGY CIRCULATES AROUND THE ASSOCIATED UPPER-LEVEL LOW THROUGH  
SATURDAY.  
 
MEANWHILE, UPPER-LEVEL ENERGY WILL MOVE INLAND OVER THE PACIFIC  
NORTHWEST MOVING TO THE NORTHERN HIGH PLAINS BY SATURDAY.  
ASSOCIATED ONSHORE FLOW WILL STREAM MOISTURE INTO THE NORTHWEST  
COAST THROUGH FRIDAY AFTERNOON. THE SYSTEM WILL PRODUCE RAIN AND  
HIGHER ELEVATION SNOW OVER PARTS OF THE PACIFIC NORTHWEST AND SNOW  
OVER THE NORTHERN ROCKIES THAT WILL END OVER THE NORTHWEST BY  
FRIDAY EVENING AND THE NORTHERN ROCKIES BY SATURDAY MORNING.  
OVERNIGHT FRIDAY, SNOW WILL MOVE INTO PARTS OF THE NORTHERN  
PLAINS/UPPER MISSISSIPPI VALLEY AND INTO PARTS OF THE CENTRAL  
ROCKIES BY SATURDAY MORNING.  
 
IN THE MEANTIME, MOISTURE FROM THE WESTERN GULF OF MEXICO WILL  
BEGIN TO FLOW NORTHWARD OVER THE WESTERN GULF COAST INTO PARTS OF  
THE SOUTHERN PLAINS BY FRIDAY MORNING. THE MOISTURE FLOW OFF THE  
GULF WILL INTENSIFY OVER THE SOUTHERN PLAINS AND MOVE INTO THE  
LOWER MISSISSIPPI VALLEY OVERNIGHT FRIDAY INTO SATURDAY MORNING.  
IN ADDITION, OVERNIGHT FRIDAY, SHOWERS AND THUNDERSTORMS WILL  
DEVELOP OVER PARTS OF THE WESTERN GULF COAST THAT WILL EXPAND AND  
MOVE INTO THE LOWER MISSISSIPPI VALLEY BY SATURDAY MORNING.  
ADDITIONALLY OVERNIGHT FRIDAY, RAIN WILL DEVELOP OVER PARTS OF THE  
SOUTHERN OHIO VALLEY/TENNESSEE VALLEY INTO PARTS OF THE  
MID-ATLANTIC BY SATURDAY.  
 
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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