943
FXUS01 KWBC 300714
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
213 AM EST SAT NOV 30 2024
VALID 12Z SAT NOV 30 2024 - 12Z MON DEC 02 2024
...HEAVY LAKE-EFFECT SNOW DOWNWIND FROM THE GREAT LAKES THROUGH
MONDAY...
...LIGHT TO MODERATE SNOW FROM THE MIDDLE MISSISSIPPI VALLEY TO
THE CENTRAL APPALACHIANS ON SATURDAY...
...LIGHT TO MODERATE SNOW OVER PARTS OF THE NORTHERN PLAINS/UPPER
MISSISSIPPI VALLEY AND CENTRAL APPALACHIANS ON SUNDAY...
...TEMPERATURES WILL BE 15 TO 20 DEGREES BELOW AVERAGE OVER PARTS
OF THE NORTHERN PLAINS AND TEMPERATURES WILL BE ABOUT 10 DEGREES
BELOW AVERAGE OVER PARTS OF THE EASTERN THIRD OF THE COUNTRY...
HIGH PRESSURE EXTENDING FROM CENTRAL CANADA TO THE TENNESSEE
VALLEY WILL USHER COLD AIR OVER PARTS OF THE NORTHERN PLAINS,
BRINGING TEMPERATURES OF 10 TO 20 DEGREES BELOW AVERAGE. THE COLD
AIR PROMPTED COLD WEATHER ADVISORIES TO BE OVER PARTS OF NORTH
DAKOTA ON SATURDAY MORNING. THE CENTRAL CANADA HIGH WILL MOVE
SOUTH INTO THE NORTHERN PLAINS BY MONDAY. AS THE HIGH PRESSURE
EXPANDS EASTWARD, COLD AIR WILL MOVE OVER MOST OF THE EASTERN
THIRD OF THE COUNTRY, WITH TEMPERATURES ABOUT 10 DEGREES BELOW
AVERAGE. FREEZE WARNING WILL ALSO BE OVER THE CENTRAL GULF COAST
STATES TO THE SOUTHEAST.
IN ADDITION, UPPER-LEVEL TROUGHING OVER THE UPPER MIDWEST/UPPER
GREAT LAKES INTO THE NORTHEAST AND COLD AIR STREAMING OVER THE
GREAT LAKES WILL PRODUCE HEAVY LAKE-EFFECT SNOW OVER THE UPPER
PENINSULA OF MICHIGAN THROUGH MONDAY. LIGHTER SNOWFALL WILL
DEVELOP OVER MOST OF THE WEST COAST OF THE LOWER PENINSULA OF
MICHIGAN DURING THE TIME PERIOD. HOWEVER, HEAVY LAKE-EFFECT SNOW
WILL DEVELOP OVER THE PARTS OF THE NORTHERN LOWER PENINSULA OF
MICHIGAN NEAR THE TRAVERSE CITY TO GAYLORD REGIONS. MOREOVER,
HEAVY LAKE-EFFECT SNOW WILL DEVELOP DOWNWIND OF LAKES ERIE AND
ONTARIO THROUGH MONDAY.
MOREOVER, A QUASI-STATIONARY FRONT EXTENDING FROM THE MIDDLE
MISSISSIPPI VALLEY TO THE NORTHERN ROCKIES/NORTHERN HIGH PLAINS
WILL REMAIN THROUGH MONDAY. FURTHERMORE, A WAVE OF LOW PRESSURE
WILL DEVELOP ON THE BOUNDARY OVER PARTS OF THE CENTRAL PLAINS AND
MOVE EASTWARD TO THE CENTRAL APPALACHIANS BY SUNDAY MORNING. THE
SYSTEM WILL PRODUCE LIGHT TO MODERATE SNOW OVER PARTS OF THE
MIDDLE MISSISSIPPI VALLEY EASTWARD TO THE CENTRAL APPALACHIANS ON
SATURDAY INTO SUNDAY MORNING. THE LIGHT TO MODERATE SNOW WILL
CONTINUE OVER THE CENTRAL APPALACHIANS ON SUNDAY. ADDITIONALLY,
LIGHT SNOW WILL DEVELOP OVER PARTS OF THE NORTHERN PLAINS ON
SATURDAY. THE LIGHT SNOW WILL CONTINUE ON SUNDAY AND EXPAND INTO
PARTS OF THE UPPER/MIDDLE MISSISSIPPI VALLEY.
MEANWHILE, WEAK RETURN FLOW OFF THE GULF OF MEXICO WILL CREATE
LIGHT RAIN OVER PARTS OF THE WESTERN GULF COAST ON SATURDAY INTO
MONDAY MORNING.
ZIEGENFELDER
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