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FXUS01 KWBC 092017
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
416 PM EDT TUE JUN 09 2026
VALID 00Z WED JUN 10 2026 - 00Z FRI JUN 12 2026
...SEVERE WEATHER AND HEAVY RAINFALL TO FOCUS OVER THE PLAINS AND
MIDWEST THIS WEEK...
...HAZARDOUS HEAT MIGRATES TOWARD THE MIDWEST AND MID-ATLANTIC BY
MIDWEEK...
...CRITICAL FIRE WEATHER CONDITIONS EXPECTED OVER THE FOUR CORNERS
REGION AND CENTRAL HIGH PLAINS...
OVER THE NEXT 2 DAYS, A FRONTAL SYSTEM ORIGINATING FROM THE
PACIFIC NORTHWEST IS FORECAST TO PRESS INTO THE PLAINS STATES
AHEAD OF A STRONG UPPER-TROUGH. AHEAD OF THIS SYSTEM, A CONTINUOUS
SOUTHERLY FLOW OF WARM AND UNSTABLE AIR INTO THE HEARTLAND WILL
SET THE STAGE FOR WIDESPREAD THUNDERSTORMS CAPABLE OF BOTH HEAVY
RAINFALL AND SEVERE WEATHER OVER THE NEXT FEW DAYS. TODAY, AN
EXPANSIVE AREA FROM THE THE DAKOTAS TO THE OKLAHOMA PANHANDLE ARE
AT RISK FOR NUMEROUS SEVERE THUNDERSTORMS CAPABLE OF ALL MODES OF
SEVERE WEATHER. BY TONIGHT, THE DEVELOPMENT OF A THUNDERSTORM
COMPLEX FROM THIS AFTERNOON'S ACTIVITY COULD ALSO DRIVE ISOLATED
TO SCATTERED FLASH FLOODING OVER PORTIONS OF THE NORTHERN TIER AND
UPPER MIDWEST. THE FORECAST FOR SEVERE WEATHER AND HEAVY RAINFALL
OVER THE NEXT TWO DAYS IS EQUALLY IMPACTFUL AS THE FRONT GRADUALLY
PRESSES EASTWARD, WITH MAJOR METROPOLITAN AREAS INCLUDING
MINNEAPOLIS, CHICAGO, ST. LOUIS, AND KANSAS CITY ALL AT RISK
ACCORDING TO THE LATEST CONVECTIVE AND EXCESSIVE RAINFALL
OUTLOOKS.
THUNDERSTORMS ASIDE, THE SULTRY AIRMASS COMBINED WITH DAYTIME
HIGHS IN THE 90'S AND TRIPLE DIGITS SHOULD MAKE FOR AN
UNCOMFORTABLE FEW DAYS AHEAD OF THE COLD FRONT. THE LATEST
EXPERIMENTAL HEATRISK DEPICTS WIDESPREAD MAJOR TO LOCALLY EXTREME
HEAT IMPACTS OVER PORTIONS OF THE PLAINS TODAY WHICH MIGRATE
TOWARD THE MISSISSIPPI VALLEY AND MIDWEST BY MIDWEEK. AS WE LOOK
TOWARD THE END OF THE WORK WEEK ON FRIDAY, MUCH OF THE WARM
WEATHER WILL CONCENTRATE OVER THE MID-ATLANTIC AND NORTHEAST,
WHERE NUMEROUS DAILY HIGH TEMPERATURE RECORDS COULD FALL. IN STARK
CONTRAST, AREAS BEHIND THE FRONT CAN ENJOY A BRIEF REPRIEVE FROM
THE WARM WEATHER AS TEMPERATURES FALL 10-20 DEGREES WITH THE
FRONTAL PASSAGE. THE SLOW ARRIVAL OF THE FRONTAL BOUNDARY INTO THE
HIGH PLAINS AND GREAT BASIN WILL ALSO SUPPORT DRY AND WINDY
WEATHER OVER THE NEXT FEW DAYS, WHICH WILL SUPPORT ELEVATED TO
CRITICAL FIRE WEATHER CONDITIONS TODAY AND TOMORROW THERE.
ASHERMAN
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