521  
FXUS01 KWBC 041955  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
255 PM EST MON MAR 04 2019  
 
VALID 00Z TUE MAR 05 2019 - 00Z THU MAR 07 2019  
 
...HEAVY RAIN WITH POSSIBLE FLOODING RETURNS TO CALIFORNIA  
TUESDAY...  
 
...TEMPERATURES WILL REMAIN BELOW AVERAGE EAST OF THE ROCKY  
MOUNTAINS THROUGH MID-WEEK...  
 
THE NEXT BIG STORM SYSTEM TO AFFECT THE U.S. WILL REACH THE WEST  
COAST BEGINNING TUESDAY AS AN UPPER LEVEL DISTURBANCE APPROACHES  
THE REGION. SOME OF THE HEAVIEST RAIN IS EXPECTED NEAR COASTAL  
LOCATIONS BETWEEN SAN FRANCISCO AND THE TRANSVERSE RANGES TO THE  
NORTH AND EAST OF LOS ANGELES. MANY OF THESE LOCATIONS HAVE  
RECEIVED ABOVE AVERAGE PRECIPITATION OVER THE PAST SEVERAL WEEKS  
WHICH HAS LEFT THE AREA BE MORE SUSCEPTIBLE TO FLOODING FROM  
ADDITIONAL HEAVY RAINFALL. HEAVY SNOW WILL OCCUR FOR THE HIGHER  
ELEVATIONS OF THE SIERRA NEVADA WITH A COMBINATION OF RAIN AND  
SNOW SPREADING EASTWARD INTO THE INTERMOUNTAIN WEST TUESDAY NIGHT  
THROUGH WEDNESDAY.  
 
IN THE WAKE OF A STORM SYSTEM WHICH IMPACTED PORTIONS OF NEW  
ENGLAND WITH OVER A FOOT OF SNOW, THE WEATHER ACROSS THE CENTRAL  
AND EASTERN U.S. WILL BE FAIRLY QUIET FOR THE NEXT FEW DAYS UNDER  
CONTROL OF HIGH PRESSURE. ALTHOUGH SOME MODERATION TO BITTER COLD  
TEMPERATURES CURRENTLY IN PLACE ACROSS THE GREAT PLAINS WILL OCCUR  
AS THAT AIR SWEEPS SOUTH AND EAST, HIGH TEMPERATURES WILL REMAIN  
QUITE COLD. HIGHS ON TUESDAY AND WEDNESDAY ARE EXPECTED TO BE  
ROUGHLY 15 TO 30 DEGREES BELOW EARLY MARCH AVERAGES FOR MOST  
LOCATIONS EAST OF THE ROCKY MOUNTAINS. THE ONLY PRECIPITATION  
FORECAST FOR LOCATIONS EAST OF THE ROCKIES THROUGH WEDNESDAY IS  
DOWNWIND OF THE GREAT LAKES DUE TO LAKE EFFECT SNOW SHOWERS, SOME  
OF WHICH WILL BE HEAVY. THROUGH THURSDAY MORNING, THE HEAVIEST  
SNOWFALL IN THE VICINITY OF THE GREAT LAKES IS EXPECTED EAST OF  
LAKE ONTARIO WITH 4 TO 8 INCHES IN THE FORECAST WITH LOCAL AMOUNTS  
OVER A FOOT POSSIBLE.  
 
OTTO  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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