Almost no one east of the Rockies needs to be told that summer 1958 has been a season of abnormal rain, overcast skies and generally cooler temperatures, but last week meteorologists were ready to fix the blame. Principal culprit: the band of planetary winds that flow eastward across the North American continent at 10,000 to 40,000 ft. The planetary winds ordinarily stay far north in summer, allowing warm air to flow up freely from the South. But this summer, for reasons unknown, the winds have veered far southward into the U.S. middle,...
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