636
FXUS01 KWBC 071903
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
202 PM EST SUN DEC 07 2025
VALID 00Z MON DEC 08 2025 - 00Z WED DEC 10 2025
...THERE IS A MODERATE TO HEAVY SNOW OVER PARTS OF THE UPPER
MIDWEST TO THE LOWER GREAT LAKES ON MONDAY...
...THERE IS A SLIGHT RISK OF EXCESSIVE RAINFALL OVER PARTS OF THE
PACIFIC NORTHWEST ON MONDAY AND TUESDAY...
...LIGHT TO MODERATE SNOW OVER PARTS OF THE CENTRAL APPALACHIAN
AND MID-ATLANTIC ON MONDAY...
A WAVE OF LOW PRESSURE OVER THE NORTHEAST WILL MOVE EASTWARD OUT
OVER THE ATLANTIC BY MONDAY MORNING. THE STORM WILL PRODUCE LIGHT
TO MODERATE SNOW OVER PARTS OF THE NORTHEAST THROUGH MONDAY
MORNING. ADDITIONALLY, UPPER-LEVEL ENERGY WILL DEVELOP LIGHT TO
MODERATE SNOW OVER PARTS OF WEST VIRGINIA AND CENTRAL/SOUTHERN
VIRGINIA FROM LATE SUNDAY NIGHT INTO MONDAY. ALSO, ON SUNDAY INTO
MONDAY, RAIN WILL DEVELOP OVER PARTS OF THE SOUTHEAST WITH SHOWERS
AND THUNDERSTORMS OVER THE FLORIDA PENINSULA.
MEANWHILE, ONSHORE FLOW FROM THE PACIFIC WILL BRING COASTAL RAIN
TO PARTS OF THE PACIFIC NORTHWEST THROUGH TUESDAY. IN ADDITION,
UPPER-LEVEL ENERGY WILL PRODUCE LIGHT TO MODERATE SNOW OVER PARTS
OF THE NORTHERN CASCADES, NORTHERN INTERMOUNTAIN REGION, AND
NORTHERN ROCKIES THROUGH TUESDAY. ON MONDAY AND TUESDAY, MOISTURE
WILL PRODUCE HEAVY RAIN ACROSS PARTS OF THE PACIFIC NORTHWEST.
THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK (LEVEL 2/4) OF
EXCESSIVE RAINFALL OVER PARTS OF THE PACIFIC NORTHWEST ON MONDAY
AND TUESDAY. THE ASSOCIATED HEAVY RAIN WILL CAUSE MAINLY LOCALIZED
FLASH FLOODING, WITH URBAN AREAS, ROADS, SMALL STREAMS, AND
LOW-LYING AREAS BEING THE MOST VULNERABLE.
LASTLY, LOW PRESSURE MOVING OUT OF CENTRAL CANADA ON MONDAY WILL
MOVE TO THE UPPER GREAT LAKES BY TUESDAY MORNING, FOLLOWED BY A
SECOND LOW ON TUESDAY EVENING. THE SYSTEM WILL PRODUCE LIGHT SNOW
OVER THE UPPER MIDWEST SUNDAY INTO MONDAY. ON MONDAY EVENING,
MODERATE TO HEAVY SNOW WILL DEVELOP OVER THE UPPER MIDWEST AND THE
UPPER GREAT LAKES, PERSISTING INTO TUESDAY.
ZIEGENFELDER
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
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