401  
FXUS01 KWBC 140629  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
228 AM EDT SAT JUN 14 2025  
 
VALID 12Z SAT JUN 14 2025 - 12Z MON JUN 16 2025  
 
...HEAVY TO EXCESSIVE RAINFALL LIKELY ACROSS PORTIONS OF THE  
PLAINS, MIDWEST, AND EAST INTO MONDAY...  
 
...HEATWAVE CONTINUES FOR THE DESERT SOUTHWEST AND SOUTHERN  
ROCKIES WITH HIGHS REACHING THE 110S...  
 
WIDESPREAD COVERAGE OF SHOWERS AND THUNDERSTORMS FROM THE ROCKIES  
TO THE EAST COAST AROUND THE PERIPHERY OF A SLOW-MOVING DEEP LAYER  
CYCLONE WILL BE THE PRIMARY CAUSE OF HAZARDS THROUGH MONDAY.  
OTHERWISE, AN UPPER TROUGH REMAINS OVER THE NORTHWEST AND RIDGING  
STRENGTHENS ACROSS NEW MEXICO AND ADJACENT PORTIONS OF THE WEST.  
A DEEP LAYER CYCLONE WILL DRIFT EASTWARD FROM THE MIDWEST TOWARDS  
THE APPALACHIANS, AND NEAR THE SURFACE LOW AND ITS ATTENDANT  
FRONTS WILL BE NUMEROUS SHOWERS AND THUNDERSTORMS WITHIN AN  
ANOMALOUSLY MOIST AIR MASS. THIS SETS THE STAGE FOR FLASH FLOODING  
AND SEVERE WEATHER. PORTIONS OF VIRGINIA AND NORTH CAROLINA, AS  
WELL AS THE SOUTHERN PLAINS, CENTRAL PLAINS, AND MIDWEST, WILL BE  
A FOCUS FOR BOTH HAZARDS THIS WEEKEND WHILE ACROSS PORTIONS OF THE  
NORTHERN PLAINS AND HIGH PLAINS, SEVERE WEATHER IS THE LARGER  
CONCERN THROUGH MONDAY AS A DISTURBANCE ALOFT IS EJECTED EASTWARD  
AHEAD OF THE NORTHWESTERN UPPER LEVEL TROUGH.  
 
IT WILL CONTINUE TO BE HOT AND DRY ACROSS LOWER ELEVATIONS OF THE  
INTERIOR WESTERN U.S. AS THE UPPER LEVEL RIDGE STRENGTHENS. THE  
MOST IMPACTFUL HEAT WILL BE ACROSS THE LOWER ELEVATIONS OF THE  
DESERT SOUTHWEST WHERE AFTERNOON HIGHS REACH THE 110S; AN EXTREME  
HEAT WARNING IS IN EFFECT FOR PORTIONS OF THE REGION. THERE ARE  
ALSO ELEVATED FIRE WEATHER CONCERNS ACROSS PORTIONS OF WESTERN  
NEVADA AND NORTHEAST CALIFORNIA WHERE RED FLAG WARNINGS ARE IN  
EFFECT FOR SATURDAY.  
 
THE COOLEST AREAS IN THE COUNTRY WILL BE NORTH OF A FRONTAL  
BOUNDARY ACROSS THE GREAT LAKES AREAS TO THE NORTHEAST, WITH  
REFRESHINGLY COOL CONDITIONS AND HIGHS MAINLY IN THE 70S AND 60S.  
SOUTH OF THE FRONT, ACROSS PORTIONS OF THE SOUTHERN AND CENTRAL  
PLAINS, SOUTHEAST, AND GULF COAST, A SEASONABLY HOT AND HUMID  
AIRMASS WILL REMAIN IN PLACE.  
 
ROTH  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 
 
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