341  
FXUS01 KWBC 311948  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
347 PM EDT SUN MAR 31 2019  
 
VALID 00Z MON APR 01 2019 - 00Z WED APR 03 2019  
 
...RAIN AND MOUNTAIN SNOW TO ENTER THE WESTERN U.S. ON MONDAY AND  
SPREAD INTO THE ROCKIES EARLY THIS WEEK...  
 
...A DEVELOPING COASTAL STORM COULD BRING RAIN TO THE SOUTHEAST BY  
TUESDAY...  
 
...MUCH COOLER TEMPERATURES TO START THE WEEK IN THE EASTERN U.S.,  
WHILE THE WEST COAST REMAINS WARM...  
 
IN THE FOUR CORNERS REGION AND INTO THE SOUTHERN HIGH PLAINS, RAIN  
AND SNOW ARE POSSIBLE THROUGH SUNDAY NIGHT AS UPPER-LEVEL ENERGY  
MOVES THROUGH. FARTHER NORTH, A SURFACE LOW AND FRONTAL BOUNDARY  
WILL LEAD TO RAIN AND LIGHT SNOW SHOWERS BEGINNING BY SUNDAY  
EVENING IN THE NORTHERN HIGH PLAINS, AND BUMPING A BIT SOUTHWARD  
ON MONDAY. A STRONGER LOW WILL APPROACH THE WEST COAST LATE SUNDAY  
AND INTO MONDAY, AND MOISTURE WILL INCREASE WITH IT. SHOWERS WILL  
SPREAD INTO THE PACIFIC NORTHWEST BY SUNDAY NIGHT AND BECOME MORE  
WIDESPREAD ON MONDAY ACROSS THE INTERMOUNTAIN WEST, WITH HIGHER  
ELEVATION SNOW INTO THE ROCKIES. SNOW WILL CONTINUE ACROSS THE  
ROCKIES INTO TUESDAY, WITH UPWARDS OF A FOOT OF SNOW FORECAST  
ACROSS THE HIGHER ELEVATIONS OF WESTERN WYOMING.  
 
A COLD FRONT WILL FINISH ITS TREK THROUGH THE EASTERN SEABOARD  
SUNDAY NIGHT, WITH RAIN SHOWERS LINGERING ACROSS NORTHERN FLORIDA.  
IN THE COLD AIR BEHIND THE FRONT, THE LOWER GREAT LAKES REGION AND  
INTO NORTHERN NEW ENGLAND COULD SEE SCATTERED SNOW SHOWERS. LIGHT  
RAIN WILL REMAIN ALONG THE GULF COAST THROUGH THE BEGINNING OF THE  
WEEK, AND PARTICULARLY INCREASE IN FLORIDA BY MONDAY AND TUESDAY  
AS A SURFACE LOW DEVELOPS. THE LOW PRESSURE SYSTEM IS FORECAST TO  
FURTHER ORGANIZE OFF THE SOUTHEAST COAST ON TUESDAY AND COULD  
BRING ADDITIONAL SHOWERS ACROSS GEORGIA AND THE CAROLINAS. RAIN  
WILL BE POSSIBLE ACROSS COASTAL PORTIONS OF THE MID-ATLANTIC BY  
TUESDAY NIGHT.  
 
AFTER A WARM END OF LAST WEEK, THE EASTERN U.S. WILL START THIS  
WEEK MUCH COOLER BEHIND THE COLD FRONT. THESE AREAS AND BACK INTO  
THE LOWER MISSISSIPPI VALLEY AND SOUTHERN PLAINS ARE EXPECTING  
HIGH TEMPERATURES OF 15 TO 25 DEGREES BELOW AVERAGE. FREEZE  
WARNINGS ARE IN EFFECT FROM THE LOWER MISSISSIPPI VALLEY EASTWARD  
INTO THE TENNESSEE/LOWER OHIO VALLEYS, AS WELL AS INTO PORTIONS OF  
CENTRAL NORTH CAROLINA. MEANWHILE, THE WEST COAST IS EXPECTING  
HIGH TEMPERATURES ABOUT 10 DEGREES ABOVE AVERAGE FOR THE BEGINNING  
OF THE WEEK.  
 
SNELL  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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