388
FXUS01 KWBC 290711
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
210 AM EST FRI NOV 29 2024
VALID 12Z FRI NOV 29 2024 - 12Z SUN DEC 01 2024
...HEAVY LAKE-EFFECT SNOW DOWNWIND FROM THE GREAT LAKES THROUGH
SUNDAY...
...LIGHT SNOW OVER PARTS OF THE CENTRAL APPALACHIANS ON FRIDAY AND
LIGHT TO MODERATE SNOW FROM THE MIDDLE MISSISSIPPI VALLEY TO THE
CENTRAL APPALACHIANS ON SATURDAY...
...TEMPERATURES WILL BE 15 TO 25 DEGREES BELOW AVERAGE OVER PARTS
OF THE NORTHERN PLAINS...
A SLOW-MOVING FRONT ACROSS FLORIDA WILL AID IN CREATING SHOWERS
AND THUNDERSTORMS OVER PARTS OF THE CENTRAL GULF COAST TO FLORIDA
ON FRIDAY. AFTER THE BOUNDARY MOVES SOUTH OF FLORIDA, SCATTERED
LIGHT RAIN WILL DEVELOP ALONG THE EAST COAST OF THE FLORIDA
PENINSULA ON SATURDAY. AN AREA OF HIGH PRESSURE OVER CENTRAL
CANADA WILL USHER COLD AIR OVER PARTS OF THE NORTHERN PLAINS,
BRINGING TEMPERATURES OF 10 TO 25 DEGREES BELOW AVERAGE. THE COLD
AIR HAS PROMPTED COLD WEATHER ADVISORIES OVER PARTS OF NORTH
DAKOTA ON FRIDAY MORNING.
IN ADDITION, UPPER-LEVEL TROUGHING OVER THE 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 SUNDAY. 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. MOREOVER, HEAVY
LAKE-EFFECT SNOW WILL DEVELOP DOWNWIND OF LAKES ERIE AND ONTARIO
THROUGH SUNDAY.
A QUASI-STATIONARY FRONT EXTENDING FROM THE MIDDLE MISSISSIPPI
VALLEY TO THE NORTHERN ROCKIES/NORTHERN HIGH PLAINS WILL BE THE
FOCUS FOR LIGHT SNOW OVER PARTS OF THE NORTHERN HIGH PLAINS ON
FRIDAY AND OVER PARTS OF THE NORTHERN PLAINS ON SATURDAY.
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. 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.
MEANWHILE, WEAK RETURN FLOW OFF THE GULF OF MEXICO WILL CREATE
LIGHT RAIN OVER PARTS OF THE WESTERN GULF COAST ON SATURDAY.
ZIEGENFELDER
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