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Snow Across the Great Lakes, Central Appalachians, and Northeast; Unsettled Weather in the West

Light to moderate snow will continue into Saturday over the Great Lakes, Central Appalachians, and Northeast. This weekend into next week, a series of atmospheric rivers will bring gusty winds, periods of heavy rain, and mountain snow to northern California and the Pacific Northwest. Colder temperatures are in store for the weekend from the Great Lakes to East Coast. Read More >

Back to Main Page Storm Warning: Advancements in Marine Forecasting since the Edmund Fitzgerald
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  • Example from 1975

Forecast Example from 1975

 

24 hour time frame

One Synopsis for entire Great Lakes region

Details at a minimum


WEATHER SYNOPSIS FOR GREAT LAKES
FORECAST POSITIONS FOR 1 AM EST MONDAY...DEEPENING LOW CENTER 29.25 INCHES EXTREME SOUTHEAST MINNESOTA WITH COLD FRONT AND WINDSHIFT LINE SOUTHWARD TO SOUTHEAST MISSOURI. LOW MOVING NORTH-NORTHEASTWARD TO ABOUT 200 MILES NORTH OF EASTERN LAKE SUPERIOR WITH COLD FRONT AND WINDSHIFT LINE IN ARC TO EASTERN NEW YORK TO WEST VIRGINIA MIDNIGHT MONDAY.

OUTLOOK...DEEP LOW MOVING TO EAST OF JAMES BAY. WEAK RIDGE MOVING FROM NORTHERN PLAINS STATES TO UPPER AND MID MISSISSIPPI VALLEY.

LAKE SUPERIOR
GALE WARNINGS IN EFFECT
WEST HALF...
EAST TO NORTHEAST WINDS 28 TO 40 KNOTS INCREASING TO 35 TO 45 KNOTS THE REMAINDER OF TONIGHT BECOMING NORTH TO NORTHWEST 35 TO 45 KNOTS MONDAY. RAIN MIXED WITH SNOW AT TIMES. SOME THUNDERSTORMS. WAVES 5 TO 10 FEET INCREASING TO 8 TO 15 FEET OVERNIGHT.

EAST HALF...
EASTERLY WINDS 32 TO 42 KNOTS BECOMING NORTHEASTERLY MONDAY MORNING AND WEST TO SOUTHWEST 35 TO 45 KNOTS MONDAY AFTERNOON. RAIN AND THUNDERSTORMS. WAVES 5 TO 10 FEET INCREASING TO 8 TO 15 FEET MONDAY.

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