614  
FXUS01 KWBC 050743  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
243 AM EST SUN FEB 05 2023  
 
VALID 12Z SUN FEB 05 2023 - 12Z TUE FEB 07 2023  
 
...SNOW OVER PARTS OF THE CASCADES, GREAT BASIN, NORTHERN/CENTRAL  
ROCKIES AND SIERRA NEVADA MOUNTAINS...  
 
...SNOW OVER PARTS OF THE GREAT LAKES AND THE NORTHEAST, FOLLOWED  
BY A SECOND ROUND OF SNOW OVER THE UPPER MISSISSIPPI VALLEY...  
   
..POCKETS OF RAIN/FREEZING RAIN OVER PARTS OF THE UPPER MIDWEST
 
 
A DEEP UPPER-LEVEL TROUGH WILL MOVE ONSHORE OVER MOST OF THE WEST  
COAST ON SUNDAY, MOVING TO THE UPPER GREAT LAKES TO THE SOUTHERN  
ROCKIES BY TUESDAY. THE SYSTEM WILL PRODUCE RAIN AND  
HIGHER-ELEVATION SNOW OVER PARTS OF THE PACIFIC NORTHWEST AND MOST  
OF CALIFORNIA ON SUNDAY MORNING. THE SNOW EXPANDS EASTWARD INTO  
THE NORTHERN INTERMOUNTAIN REGION AND GREAT BASIN BY SUNDAY  
EVENING. BY MONDAY MORNING, THE RAIN AND SNOW WILL END OVER MOST  
OF CALIFORNIA WHILE CONTINUING OVER PARTS OF THE NORTHWEST AND  
NORTHERN INTERMOUNTAIN REGION/GREAT BASIN, MOVING INTO THE  
NORTHERN AND CENTRAL ROCKIES. OVERNIGHT MONDAY INTO TUESDAY, RAIN  
AND HIGHER ELEVATION SNOW WILL CONTINUE OVER THE NORTHWEST, WHILE  
SCATTERED SNOW CONTINUES OVER THE ROCKIES.  
 
MEANWHILE, A FRONT OVER THE UPPER MIDWEST OVERNIGHT SUNDAY WILL  
MOVE INTO THE NORTHEAST AND OFF THE NORTHEAST COAST BY MONDAY  
AFTERNOON. ON SUNDAY, THE BOUNDARY WILL PRODUCE LIGHT SNOW OVER  
PARTS OF THE UPPER GREAT LAKES. OVERNIGHT SUNDAY, THE SNOW WILL  
MOVE INTO THE LOWER GREAT LAKES AND NORTHERN NEW ENGLAND, ENDING  
BY MONDAY EVENING.  
 
FURTHERMORE, ON MONDAY, LOW PRESSURE OVER THE CENTRAL PLAINS WILL  
MOVE NORTHWARD INTO SOUTHERN CANADA BY TUESDAY. MOISTURE WILL  
STREAM NORTHWARD OVER THE MISSISSIPPI VALLEY INTO THE UPPER  
MIDWEST. ON MONDAY AFTERNOON, SNOW WILL DEVELOP OVER PARTS OF THE  
UPPER MISSISSIPPI VALLEY AND THE UPPER GREAT LAKES. IN THE  
MEANTIME, RAIN WILL DEVELOP OVER PARTS OF THE CENTRAL PLAINS AND  
EXPAND SOUTHWARD INTO THE MIDDLE MISSISSIPPI VALLEY/SOUTHERN  
PLAINS. RAIN WILL CONTINUE TO EXPAND ALONG THE FRONT FROM THE  
SOUTHERN PLAINS INTO THE WESTERN OHIO VALLEY AND GREAT LAKES. NEAR  
THE RAIN/SNOW LINE, POCKETS OF RAIN/FREEZING RAIN WILL DEVELOP  
OVERNIGHT MONDAY INTO TUESDAY MORNING. THE SNOW WILL RESULT IN  
REDUCED VISIBILITY/HAZARDOUS DRIVING CONDITIONS AND ICE MAY CAUSE  
DANGEROUS ROAD CONDITIONS, TOO.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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