257
FXUS01 KWBC 270753
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
352 AM EDT TUE MAY 27 2025
VALID 12Z TUE MAY 27 2025 - 12Z THU MAY 29 2025
...THERE IS A SLIGHT RISK OF EXCESSIVE RAINFALL OVER PARTS OF THE
SOUTHERN PLAINS, THE LOWER MISSISSIPPI/TENNESSEE
VALLEYS/SOUTHEAST/SOUTHERN MID-ATLANTIC, AND OHIO VALLEY/CENTRAL
APPALACHIANS ON TUESDAY...
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
THE SOUTHERN PLAINS AND LOWER MISSISSIPPI VALLEY/SOUTHEAST ON
TUESDAY AND THE SOUTHERN HIGH PLAINS ON WEDNESDAY...
A WAVE OF LOW PRESSURE OVER THE TENNESSEE VALLEY WILL MOVE TO THE
LOWER GREAT LAKES BY THURSDAY. ONE MORE DAY OF MOISTURE WILL FLOW
NORTHWARD OUT OF THE GULF OF AMERICA AND OVERRUN THE BOUNDARY,
CREATING SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN OVER PARTS OF
THE SOUTHERN PLAINS. THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK
(LEVEL 2/4) OF EXCESSIVE RAINFALL OVER PARTS OF THE SOUTHERN
PLAINS THROUGH WEDNESDAY 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
SOUTHERN PLAINS. THEREFORE, THE SPC HAS ISSUED A SLIGHT RISK
(LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER PARTS OF THE SOUTHERN
PLAINS THROUGH WEDNESDAY 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 REGION.
MOREOVER, A SECOND AREA OF HEAVY RAIN WILL DEVELOP OVER PARTS OF
THE LOWER MISSISSIPPI VALLEY TO THE SOUTHEAST AND SOUTHERN
MID-ATLANTIC. THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK (LEVEL
2/4) OF EXCESSIVE RAINFALL OVER PARTS OF THE LOWER MISSISSIPPI
VALLEY TO THE SOUTHEAST AND SOUTHERN MID-ATLANTIC THROUGH
WEDNESDAY 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.
SIMILARLY, THERE WILL BE A SECOND AREA OF SEVERE THUNDERSTORMS
OVER PARTS OF THE LOWER MISSISSIPPI VALLEY TO THE SOUTHEAST.
THEREFORE, THE SPC HAS ISSUED A SLIGHT RISK (LEVEL 2/5) OF SEVERE
THUNDERSTORMS OVER PARTS OF THE LOWER MISSISSIPPI VALLEY TO THE
SOUTHEAST THROUGH WEDNESDAY MORNING. THE HAZARDS ASSOCIATED WITH
THESE THUNDERSTORMS ARE FREQUENT LIGHTNING, SEVERE THUNDERSTORM
WIND GUSTS, HAIL, AND A FEW TORNADOES.
FURTHERMORE, A THIRD AREA OF HEAVY RAIN WILL DEVELOP OVER PARTS OF
THE OHIO VALLEY/CENTRAL APPALACHIANS. THEREFORE, THE WPC HAS
ISSUED A SLIGHT RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER PARTS
OF THE OHIO VALLEY/CENTRAL APPALACHIANS THROUGH WEDNESDAY 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.
IN ADDITION, RAIN AND SHOWERS WILL DEVELOP OVER PARTS OF THE UPPER
MIDWEST AND THE MID-ATLANTIC ON TUESDAY. DURING THE LATE AFTERNOON
AND EARLY EVENING, UPPER-LEVEL ENERGY WILL CREATE SCATTERED
SHOWERS AND THUNDERSTORMS OVER THE CENTRAL/SOUTHERN ROCKIES.
ON WEDNESDAY, THE WAVE OF LOW PRESSURE MOVES INTO THE LOWER GREAT
LAKES, DEVELOPING SHOWERS AND THUNDERSTORMS OVER THE
OHIO/TENNESSEE VALLEYS AND THE MID-ATLANTIC. FURTHERMORE,
UPPER-LEVEL ENERGY WILL AID IN PRODUCING SHOWERS AND THUNDERSTORMS
OVER PARTS OF THE CENTRAL/SOUTHERN ROCKIES AND UPPER MIDWEST
DURING THE LATE AFTERNOON AND EARLY EVENING. OVERNIGHT WEDNESDAY,
RAIN WILL DEVELOP OVER PARTS OF THE NORTHEAST.
A SECOND WAVE OF LOW PRESSURE WILL ALSO MOVE SOUTHEASTWARD OUT OF
THE TEXAS PANHANDLE TO THE CENTRAL GULF COAST BY THURSDAY MORNING.
THE SYSTEM WILL PRODUCE SHOWERS AND SEVERE THUNDERSTORMS OVER
SOUTHERN HIGH PLAINS. THEREFORE, THE SPC HAS ISSUED A SLIGHT RISK
(LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER THE SOUTHERN HIGH PLAINS
FROM WEDNESDAY THROUGH THURSDAY MORNING. THE HAZARDS ASSOCIATED
WITH THESE THUNDERSTORMS ARE FREQUENT LIGHTNING, SEVERE
THUNDERSTORM WIND GUSTS, HAIL, AND A FEW TORNADOES.
MEANWHILE, A FRONT OVER THE PACIFIC WILL MOVE NEAR THE PACIFIC
NORTHWEST BY THURSDAY MORNING, PRODUCING SCATTERED RAIN OVER PARTS
OF THE NORTHWEST.
ZIEGENFELDER
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
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