223
FXUS01 KWBC 291949
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
348 PM EDT MON SEP 29 2025
VALID 00Z TUE SEP 30 2025 - 00Z THU OCT 02 2025
..MULTIPLE FRONTS BRING UNSETTLED WEATHER TO THE NORTHWEST
...TROPICAL MOISTURE ASSOCIATED WITH IMELDA WILL BRING SHOWERS AND
THUNDERSTORMS TO THE SOUTHEAST COAST...
TROPICAL MOISTURE ASSOCIATED WITH IMELDA WILL BRING SHOWERS AND
THUNDERSTORMS TO THE SOUTHEAST AND MID-ATLANTIC COAST THROUGH
TUESDAY AFTERNOON. IMELDA IS FORECAST TO STAY OFF THE SOUTHEAST
COAST AS THE STORM MOVES NORTHWARD, THEN NORTHEASTWARD OUT OVER
THE ATLANTIC. MOISTURE AND WEAK UPPER-LEVEL IMPULSES WILL AID IN
PRODUCING SHOWERS AND THUNDERSTORMS OVER PARTS OF THE FLORIDA
COAST FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING.
MEANWHILE, A FRONT OVER THE NORTHWEST MOVES INLAND TO THE NORTHERN
PLAINS AND NORTHERN/CENTRAL ROCKIES BY WEDNESDAY EVENING. THE
SYSTEM WILL DEVELOP RAIN OVER PARTS OF THE NORTHWEST AND NORTHERN
CALIFORNIA THROUGH TUESDAY MORNING. ADDITIONALLY, THE BOUNDARY
WILL ALSO TRIGGER SHOWERS AND THUNDERSTORMS OVER PARTS OF THE
GREAT BASIN AND THE NORTHERN INTERMOUNTAIN REGION THROUGH TUESDAY
MORNING. SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER
PARTS OF THE GREAT BASIN AND NORTHERN INTERMOUNTAIN REGION THROUGH
LATE TUESDAY NIGHT. OVERNIGHT TUESDAY INTO WEDNESDAY, SCATTERED
SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER PARTS OF THE
NORTHERN/CENTRAL PLAINS AND THE UPPER MISSISSIPPI VALLEY.
BY TUESDAY EVENING, A SECOND FRONT WILL MOVE ONSHORE OVER THE
PACIFIC NORTHWEST AND THEN TEMPORARILY PAUSE ALONG THE COAST
THROUGH WEDNESDAY MORNING. ON WEDNESDAY, THE FRONT MOVES EASTWARD
TO JUST INLAND OVER THE NORTHWEST. THE BOUNDARY WILL PRODUCE RAIN
AND SHOWERS OVER THE PACIFIC NORTHWEST COAST AND NORTHERN
CALIFORNIA THROUGH WEDNESDAY EVENING.
ZIEGENFELDER
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