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Dangerous Cold Weather for Most of the Country; Rare Southern Winter Storm; Fire Weather Concerns for Southern California

Arctic air is encompassing the eastern two-thirds of the United States. A major winter storm is bringing heavy snow as well as areas of sleet and freezing rain from south Texas through the eastern Carolinas. Moderate to strong Santa Ana winds and low humidity will maintain Critical to Extremely Critical fire weather conditions in southern California. 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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