National Weather Service United States Department of Commerce

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

Back to main page