587
FXUS01 KWBC 020741
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
240 AM EST MON DEC 02 2024
VALID 12Z MON DEC 02 2024 - 12Z WED DEC 04 2024
...HEAVY LAKE-EFFECT SNOW CONTINUES DOWNWIND FROM LAKE ERIE
THROUGH WEDNESDAY...
...LIGHT SNOW OVER PARTS OF THE MIDDLE MISSISSIPPI VALLEY,
SOUTHERN OHIO VALLEY, AND SOUTHERN APPALACHIANS ON MONDAY;
MODERATE TO HEAVY SNOW OVER PARTS OF THE UPPER PENINSULA OF
MICHIGAN ON TUESDAY EVENING INTO WEDNESDAY...
...TEMPERATURES WILL BE 10 TO 15 DEGREES BELOW AVERAGE OVER PARTS
OF THE NORTHERN/CENTRAL PLAINS TO THE OHIO VALLEY AND THE
MID-ATLANTIC...
HIGH PRESSURE OVER CENTRAL CANADA/NORTHERN PLAINS WILL SETTLE
SOUTHEASTWARD TO THE SOUTHEAST BY WEDNESDAY. THE HIGH PRESSURE
WILL ALSO USHER COLD AIR OVER PARTS OF THE NORTHERN/CENTRAL PLAINS
TO THE OHIO VALLEY AND THE MID-ATLANTIC, BRINGING TEMPERATURES OF
10 TO 15 DEGREES BELOW AVERAGE. ADDITIONALLY, FREEZE WARNINGS WILL
BE OVER PARTS OF THE SOUTHEAST.
THE UPPER-LEVEL TROUGHING WILL CONTINUE OVER PARTS OF THE LOWER
GREAT LAKES AND NORTHEAST THROUGH TUESDAY AFTERNOON. THE CONTINUED
COLD AIR STREAMING OVER THE GREAT LAKES WILL PRODUCE LIGHT TO
MODERATE LAKE-EFFECT SNOW OVER THE UPPER PENINSULA OF MICHIGAN AND
THE WEST COAST OF THE LOWER PENINSULA OF MICHIGAN THROUGH MONDAY.
MOREOVER, HEAVY LAKE-EFFECT SNOW WILL CONTINUE DOWNWIND FROM LAKE
ERIE THROUGH WEDNESDAY. LIGHT TO MODERATE LAKE-EFFECT SNOW WILL
CONTINUE DOWNWIND OF LAKE ONTARIO INTO WEDNESDAY.
MOREOVER, A WAVE OF LOW PRESSURE WILL CREATE LIGHT SNOW OVER PARTS
OF THE MIDDLE MISSISSIPPI VALLEY, SOUTHERN OHIO VALLEY, AND
SOUTHERN APPALACHIANS ON MONDAY. ON TUESDAY EVENING, AN
APPROACHING AREA OF LOW PRESSURE OVER CENTRAL CANADA WILL CREATE
MODERATE TO HEAVY SNOW OVER PARTS OF THE UPPER PENINSULA OF
MICHIGAN INTO WEDNESDAY.
MEANWHILE, WEAK RETURN FLOW OFF THE GULF OF MEXICO WILL CREATE
SCATTERED SHOWERS AND THUNDERSTORMS OVER PARTS OF THE WEST GULF
COAST THROUGH WEDNESDAY. ELSEWHERE, UPPER-LEVEL RIDGING WILL
CREATE STAGNANT AIR CONDITIONS OVER PARTS OF THE PACIFIC
NORTHWEST, LEADING TO AREAS OF DENSE FOG AND POOR AIR QUALITY.
FURTHERMORE, THERE IS A HIGH WIND WATCH OVER PARTS OF THE NORTHERN
ROCKIES FROM MONDAY AFTERNOON INTO TUESDAY MORNING.
ZIEGENFELDER
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