429
FXUS01 KWBC 260800
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
400 AM EDT WED JUL 26 2023
VALID 12Z WED JUL 26 2023 - 12Z FRI JUL 28 2023
...EXCESSIVE RAINFALL AND SEVERE THUNDERSTORMS WILL IMPACT
PORTIONS OF THE MIDWEST TODAY THEN THE NORTHEAST/MID-ATLANTIC OVER
THE NEXT COUPLE OF DAYS...
...HEAT WAVE OVERTAKES MID-MISSISSIPPI VALLEY AND MIDWEST; RECORD
BREAKING HEAT CONTINUES IN THE SOUTHWEST...
...CRITICAL FIRE WEATHER AREA FOR EXTREME NORTHEAST CALIFORNIA,
FAR SOUTHEAST OREGON AND FAR NORTHWEST NEVADA TODAY...
SHORTWAVE ENERGY AND A SURFACE LOW PRESSURE SYSTEM WILL BRING
UNSETTLED WEATHER TO THE GREAT LAKES, UPPER MIDWEST, NORTHEAST AND
MID-ATLANTIC OVER THE NEXT COUPLE OF DAYS. ONGOING CONVECTION OVER
MINNESOTA AND WISCONSIN WILL PROPAGATE EAST INTO PARTS OF
ILLINOIS, INDIANA, MICHIGAN AND OHIO TODAY. SEVERE THUNDERSTORMS
AND EXCESSIVE RAINFALL ARE POSSIBLE, ESPECIALLY OVER PARTS OF
MICHIGAN AND NORTHERN INDIANA/OHIO WHERE AN ENHANCED RISK OF
SEVERE THUNDERSTORMS AND A SLIGHT RISK OF EXCESSIVE RAINFALL
LEADING TO FLASH FLOODING ARE IN EFFECT. A STRIPE OF 1-2" OF
RAINFALL IS FORECAST ACROSS SOUTHERN MICHIGAN WHERE A LINEAR MCS
COULD ALSO PRODUCE WIND DAMAGE AND ISOLATED LARGE HAIL. ELSEWHERE,
A SLIGHT RISK OF SEVERE THUNDERSTORMS IS IN EFFECT OVER PORTIONS
OF CENTRAL NEBRASKA AND NORTHWESTERN KANSAS WHERE MULTICELL LINE
SEGMENTS COULD PRODUCE DAMAGING WIND GUSTS AND SUPERCELLS COULD
CREATE ISOLATED LARGE HAIL.
THE SEVERE WEATHER AND EXCESSIVE RAINFALL THREATS SHIFT INTO THE
NORTHEAST AND MID-ATLANTIC ON THURSDAY AS THE UPPER TROUGH SWINGS
EAST TOWARD NOVA SCOTIA. HEAVY RAINFALL MAY DEVELOP ACROSS MUCH OF
VERMONT, NEW HAMPSHIRE AND WESTERN MASSACHUSETTS WHERE A SLIGHT
RISK OF EXCESSIVE RAINFALL LEADING TO FLASH FLOODING IS IN EFFECT
DUE TO THE POTENTIAL FOR 1-2" OF RAIN OVER RELATIVELY MOIST SOILS.
THERE'S ALSO THE THREAT OF WIDELY SCATTERED SEVERE THUNDERSTORMS
ACROSS SOUTHERN NEW ENGLAND SOUTHWARD INTO PORTIONS OF THE
MID-ATLANTIC, WHERE DAMAGING WIND GUSTS AND THE RISK FOR A TORNADO
ARE POSSIBLE.
KEBEDE
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