452
FXUS01 KWBC 280734
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
334 AM EDT WED MAY 28 2025
VALID 12Z WED MAY 28 2025 - 12Z FRI MAY 30 2025
...THERE IS A SLIGHT RISK OF EXCESSIVE RAINFALL OVER PARTS OF THE
SOUTHERN PLAINS ON WEDNESDAY AND THE CENTRAL GULF COAST TO THE
SOUTHEAST ON THURSDAY...
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
THE CENTRAL/SOUTHERN HIGH PLAINS, SOUTHERN HIGH PLAINS, AND THE
SOUTHERN PLAINS ON WEDNESDAY...
A WAVE OF LOW PRESSURE OVER THE OHIO VALLEY WILL MOVE TO THE LOWER
GREAT LAKES BY THURSDAY AND EASTWARD TO JUST OFF THE SOUTHEAST
CANADIAN COAST BY FRIDAY MORNING. MOISTURE WILL SURGE NORTHWARD
OVER THE SOUTHERN PLAINS, PRODUCING SHOWERS AND THUNDERSTORMS THAT
WILL PRODUCE HEAVY RAIN. THEREFORE, THE WPC HAS ISSUED A SLIGHT
RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER PARTS OF THE SOUTHERN
PLAINS THROUGH THURSDAY MORNING. THE ASSOCIATED HEAVY RAIN WILL
CREATE MAINLY LOCALIZED AREAS OF FLASH FLOODING, WITH URBAN AREAS,
ROADS, SMALL STREAMS, AND LOW-LYING AREAS THE MOST VULNERABLE.
FURTHERMORE, SEVERE THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE
CENTRAL/SOUTHERN HIGH PLAINS. THEREFORE, THE SPC HAS ISSUED A
SLIGHT RISK (LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER PARTS OF THE
CENTRAL/SOUTHERN HIGH PLAINS THROUGH THURSDAY MORNING. THE HAZARDS
ASSOCIATED WITH THESE THUNDERSTORMS ARE FREQUENT LIGHTNING, SEVERE
THUNDERSTORM WIND GUSTS, HAIL, AND A FEW TORNADOES. HOWEVER, THERE
IS AN INCREASED RISK OF HAIL, TWO INCHES OR GREATER, OVER THE
WESTERN REGIONS OF KANSAS.
MOREOVER, A SECOND AREA OF SEVERE THUNDERSTORMS WILL DEVELOP OVER
PARTS OF THE SOUTHERN HIGH PLAINS. THEREFORE, THE SPC HAS ISSUED A
SLIGHT RISK (LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER PARTS OF THE
SOUTHERN HIGH PLAINS THROUGH THURSDAY MORNING. THE HAZARDS
ASSOCIATED WITH THESE THUNDERSTORMS ARE FREQUENT LIGHTNING, SEVERE
THUNDERSTORM WIND GUSTS, HAIL, AND A FEW TORNADOES.
A THIRD AREA OF SEVERE THUNDERSTORMS WILL DEVELOP OVER PARTS OF
THE SOUTHERN PLAINS. THEREFORE, THE SPC HAS ISSUED A SLIGHT RISK
(LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER PARTS OF THE SOUTHERN
PLAINS THROUGH THURSDAY MORNING. THE HAZARDS ASSOCIATED WITH THESE
THUNDERSTORMS ARE FREQUENT LIGHTNING, SEVERE THUNDERSTORM WIND
GUSTS, HAIL, AND A MINIMAL THREAT OF TORNADOES.
RAIN WILL ALSO DEVELOP OVER PARTS OF THE NORTHERN MID-ATLANTIC AND
MOVE INTO PARTS OF THE NORTHEAST AND GREAT LAKES ON WEDNESDAY.
ADDITIONALLY, SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER PARTS OF
THE UPPER MIDWEST, NORTHERN PLAINS, AND NORTHERN/CENTRAL ROCKIES.
FURTHER, SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE
MID-ATLANTIC, TENNESSEE VALLEY, AND THE SOUTHEAST, ENDING OVER THE
OHIO/ TENNESSEE VALLEYS AND PARTS OF THE MID-ATLANTIC BY THURSDAY
MORNING.
ON THURSDAY, THE MOISTURE FLOWING OUT OF THE GULF OF AMERICA WILL
STREAM OVER PARTS OF THE CENTRAL GULF COAST, PRODUCING SHOWERS AND
THUNDERSTORMS WITH HEAVY RAIN. THEREFORE, THE WPC HAS ISSUED A
SLIGHT RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER PARTS OF THE
CENTRAL GULF COAST EASTWARD INTO THE SOUTHEAST FROM THURSDAY INTO
FRIDAY MORNING. THE ASSOCIATED HEAVY RAIN WILL CREATE MAINLY
LOCALIZED AREAS OF FLASH FLOODING, WITH URBAN AREAS, ROADS, SMALL
STREAMS, AND LOW-LYING AREAS THE MOST VULNERABLE.
ALSO, ON THURSDAY, RAIN WILL DEVELOP OVER PARTS OF THE UPPER
MIDWEST TO THE NORTHEAST, ENDING OVER THE UPPER MIDWEST OVERNIGHT.
THE RAIN WILL LINGER OVER NORTHERN NEW ENGLAND THROUGH FRIDAY
MORNING. MOREOVER, MORE SCATTERED SHOWERS AND THUNDERSTORMS WILL
DEVELOP OVER PARTS OF THE MIDDLE MISSISSIPPI VALLEY, SOUTHERN OHIO
VALLEY, AND THE MID-ATLANTIC ON THURSDAY.
MEANWHILE, A FRONT OVER THE PACIFIC WILL MOVE ONSHORE OVER THE
PACIFIC NORTHWEST BY EARLY THURSDAY MORNING, MOVING EASTWARD TO
THE NORTHERN HIGH PLAINS/NORTHERN ROCKIES TO THE GREAT BASIN BY
FRIDAY MORNING. THE SYSTEM WILL PRODUCE SCATTERED RAIN OVER PARTS
OF THE NORTHWEST, EXPANDING INTO THE NORTHERN INTERMOUNTAIN REGION
BY THURSDAY EVENING AND INTO THE NORTHERN ROCKIES BY FRIDAY.
ZIEGENFELDER
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