191  
FXUS01 KWBC 122004  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
400 PM EDT FRI APR 12 2019  
 
VALID 00Z SAT APR 13 2019 - 00Z MON APR 15 2019  
 
...LATE SEASON WINTER STORM TO WIND DOWN TONIGHT ACROSS THE  
NORTH-CENTRAL U.S., FOLLOWED BY UNSEASONABLY COLD TEMPERATURES  
THROUGH THE WEEKEND...  
 
...SLIGHT TO MODERATE RISK OF SEVERE THUNDERSTORMS AND HEAVY RAIN  
EXPECTED FROM EASTERN TEXAS INTO THE LOWER MISSISSIPPI VALLEY ON  
SATURDAY...  
 
...STORM SYSTEM WILL BRING RAIN AND SNOW TO PACIFIC NORTHWEST AND  
GREAT BASIN/INTERMOUNTAIN WEST THIS WEEKEND...  
 
THE STRONG STORM SYSTEM WHICH DROPPED UPWARDS OF 2 FEET OF SNOW  
OVER PARTS OF THE NORTHERN PLAINS AND UPPER MIDWEST WILL EXIT INTO  
SOUTHERN ONTARIO THIS EVENING. LIGHT SNOW SHOWERS WILL LINGER INTO  
EARLY SATURDAY MORNING. LITTLE TO NO ADDITIONAL ACCUMULATION WILL  
OCCUR OVERNIGHT. FLOOD WARNINGS AND ADVISORIES ARE IN EFFECT FOR  
EASTERN NORTH DAKOTA AND NORTHWESTERN MINNESOTA DUE TO MELTING  
SNOW. HIGH TEMPERATURES OVER THE NORTHERN PLAINS AND UPPER MIDWEST  
WILL TOP OUT IN THE LOW TO MID-40S, WHILE LOWS BOTTOM OUT IN THE  
LOW TO MID-20S THIS WEEKEND AS HIGH PRESSURE MOVES INTO THE AREA.  
 
A LOW PRESSURE SYSTEM WILL DEVELOP OVER WESTERN TEXAS TONIGHT, AND  
BEGIN TRACKING EAST TOWARD THE MID-ATLANTIC AND NORTHEAST THIS  
WEEKEND. THIS SYSTEM WILL BRING MODERATE TO HEAVY RAIN TO MUCH OF  
THE EASTERN HALF OF THE LOWER 48. THE STORM PREDICTION CENTER HAS  
ISSUED A SLIGHT TO MODERATE RISK OF SEVERE THUNDERSTORMS FROM  
EASTERN TEXAS THROUGH THE LOWER MISSISSIPPI VALLEY ON SATURDAY.  
ALSO, A SLIGHT TO ENHANCED RISK OF SEVERE THUNDERSTORMS WAS ISSUED  
FOR MUCH OF THE SOUTHEAST UP THROUGH THE TENNESSEE/OHIO VALLEYS  
AND MID-ATLANTIC ON SUNDAY. A SLIGHT TO MODERATE RISK OF FLASH  
FLOODING IS IN EFFECT FOR THE ARKLATEX AND LOWER TO MIDDLE  
MISSISSIPPI VALLEYS ON SATURDAY AS RAINFALL TOTALS ARE FORECASTED  
TO RANGE BETWEEN 1 TO 2.5 INCHES ACROSS THE SOUTHERN PLAINS AND  
LOWER TO MIDDLE MISSISSIPPI/TENNESSEE/OHIO VALLEYS. MEANWHILE, 0.5  
TO 1.25 INCHES OF RAIN ARE EXPECTED TO FALL FOR MUCH OF THE  
MID-ATLANTIC THROUGH SUNDAY.  
 
A NEW STORM SYSTEM WILL ENTER THE PACIFIC NORTHWEST AND GREAT  
BASIN/INTERMOUNTAIN WEST SATURDAY MORNING ACCOMPANIED BY RAIN FOR  
THE LOWER ELEVATIONS AND SNOW FOR HIGHER ALTITUDES. SNOWFALL  
ACCUMULATIONS OF UP TO A FOOT IN THE SIERRA, AND 1.5 FEET IN THE  
HIGHER ELEVATIONS OF THE ROCKIES ARE EXPECTED THROUGH MONDAY.  
 
KEBEDE  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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