National Weather Service United States Department of Commerce

Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

April 3, 1974 meteorology

 

Map of the entire outbreak

Satellite pictures at 11:11am EDT, 1:54pm EDT, and 5pm EDT.

Surface weather map at 8am EDT, 2pm EDT, and 8pm EDT

Jet streams

Weather maps:  250mb winds, 500mb winds, 500mb heights, 700mb relative humidity, 850mb winds, surface temperatures, surface relative humidity, sea level pressure.

General Outbreak Information

 

See an 11"x17" version of our commemorative poster (3.7Mb):
Super Outbreak Poster

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