903
FXUS01 KWBC 251921
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
321 PM EDT MON MAY 25 2026
VALID 00Z TUE MAY 26 2026 - 00Z THU MAY 28 2026
...THERE IS A SLIGHT RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER
PARTS OF THE LOWER MISSISSIPPI/TENNESSEE VALLEYS AND SOUTHEAST ON
MONDAY...
...THERE IS A SLIGHT RISK (LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER
PARTS OF THE SOUTHERN PLAINS ON TUESDAY...
...THERE IS A SLIGHT RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER
PARTS OF THE SOUTHERN PLAINS AND LOWER MISSISSIPPI/SOUTHEAST ON
TUESDAY...
A QUASI-STATIONARY FRONT EXTENDING FROM THE MID-ATLANTIC TO THE
LOWER MISSISSIPPI VALLEY/ SOUTHERN PLAINS WILL HELP TRIGGER
SHOWERS AND THUNDERSTORMS OVER THE SOUTHEAST, MID-ATLANTIC,
TENNESSEE VALLEY, AND LOWER MISSISSIPPI VALLEY, PRODUCING HEAVY
RAIN. THEREFORE, ON MONDAY, THE WPC HAS ISSUED A SLIGHT RISK
(LEVEL 2/4) OF EXCESSIVE RAINFALL OVER PARTS OF THE LOWER
MISSISSIPPI/TENNESSEE VALLEYS AND SOUTHEAST THROUGH TUESDAY
MORNING. THE ASSOCIATED HEAVY RAIN WILL CAUSE MAINLY LOCALIZED
FLASH FLOODING, WITH URBAN AREAS, ROADS, SMALL STREAMS, AND
LOW-LYING AREAS BEING THE MOST VULNERABLE.
SIMILARLY, SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN WILL CONTINUE
OVER THE AREA ON TUESDAY. THEREFORE, THE WPC HAS ISSUED A SLIGHT
RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER PARTS OF THE LOWER
MISSISSIPPI/TENNESSEE VALLEYS AND SOUTHEAST TUESDAY INTO WEDNESDAY
MORNING. THE ASSOCIATED HEAVY RAIN WILL CAUSE MAINLY LOCALIZED
FLASH FLOODING, WITH URBAN AREAS, ROADS, SMALL STREAMS, AND
LOW-LYING AREAS BEING THE MOST VULNERABLE.
IN ADDITION, SHOWERS AND 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 FROM TUESDAY THROUGH WEDNESDAY MORNING. THE
HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS INCLUDE FREQUENT
LIGHTNING, SEVERE WIND GUSTS, HAIL, AND THE THREAT OF TORNADOES.
MOREOVER, A SECOND AREA OF HEAVY RAINFALL WILL ACCOMPANY THE
SEVERE THUNDERSTORMS 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 FROM TUESDAY 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 BEING THE MOST VULNERABLE.
ADDITIONALLY, AN UPPER-LEVEL LOW WILL MOVE OVER THE NORTHWEST FROM
MONDAY EVENING INTO WEDNESDAY, AS RAIN DEVELOPS OVER PARTS OF THE
NORTHWEST AND THE NORTHERN INTERMOUNTAIN REGION. SCATTERED AREAS
OF WET SNOW WILL MIX WITH RAIN AT THE HIGHEST ELEVATIONS IN THE
REGION. SHOWERS AND THUNDERSTORMS WILL ALSO DEVELOP OVER THE
NORTHERN INTERMOUNTAIN REGION AND NORTHERN ROCKIES LATE IN THE
AFTERNOON INTO THE LATE EVENING ON TUESDAY INTO WEDNESDAY.
FURTHERMORE, A FRONT MOVING SOUTHWARD OUT OF CENTRAL CANADA WILL
TRIGGER SHOWERS AND THUNDERSTORMS OVER PARTS OF THE NORTHERN
PLAINS AND THE UPPER MISSISSIPPI VALLEY ON TUESDAY AFTERNOON INTO
LATE EVENING.
ZIEGENFELDER
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HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
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