Science: Weather from Aloft

People who want to plan picnics may never have a good word to say for the weatherman, but nonetheless he is making progress. In the current Scientific Monthly, Meteorologist Jerome Namias of the U.S. Weather Bureau explains an improved method for general weather forecasting over longer & longer periods.

Namias believes that in the north temperate zone the chief cause of weather changes is a high-altitude wind that roars from west to east around the earth. It is strongest and most constant above 10,000 ft., sometimes reaching 200 m.p.h., but it drags low-level air along, whipping up the disturbances that affect the...

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