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
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