464
FXUS01 KWBC 140659
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
258 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...
...SEVERE WEATHER POSSIBLE ACROSS THE HIGH PLAINS AND NORTHERN
PLAINS THIS WEEKEND 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.
OTHER PLAYERS IN THE FLOW PATTERN NEAR THE LOWER 48 INCLUDE AN
UPPER TROUGH OVER THE NORTHWEST AND STRENGTHENING RIDGING ACROSS
NEW MEXICO AND VICINITY. 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. PORTIONS OF VIRGINIA AND NORTH CAROLINA
WILL SEE FLASH FLOODING AS THE PRIMARY HAZARD. THE SOUTHERN
PLAINS, CENTRAL PLAINS, AND MIDWEST, WILL BE A FOCUS FOR BOTH
FLASH FLOODING AND SEVERE WEATHER HAZARDS THIS WEEKEND. ACROSS
PORTIONS OF THE NORTHERN PLAINS AND HIGH PLAINS, SEVERE WEATHER IS
THE LARGER CONCERN THROUGH MONDAY DISTURBANCES ALOFT EJECTING
EASTWARD AHEAD OF THE NORTHWESTERN UPPER LEVEL TROUGH PLAY A ROLE
IN INCREASING EFFECTIVE BULK SHEAR WITHIN A MOIST AND UNSTABLE AIR
MASS.
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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