Science: Wets v. Drys

As summer died and autumn rains swept the Atlantic seaboard, jolly Professor Carl-Gustaf Arvid Rossby last week talked about weather in a Swedish accent to members of the Fifth International Congress of Applied Mechanics, at Cambridge. Mass. New facts had been obtained, said Dr. Rossby, from weather sounding balloons and airplane explorations of the upper atmosphere. These had been woven together into an original theory about the general circulation of the atmosphere, an elaborate theory still thin in spots, but one that raises scientific hopes for more accurate weather prediction.

The upper atmosphere...