Abstract
DURING spring and summer Bengal is occasionally visited by a type of severe thunderstorms locally known as the Kal-Baisakhi, or the ‘fateful thing’ of the month of Baisakh (April 15–May 15). These storms usually approach a station from the northwest and burst suddenly with great fury. The path of a nor'wester may vary in width from a few hundred feet to a mile, and the distance overrun seldom exceeds 50 miles. These storms are more frequent in the late afternoon, although they are known to occur also at other times of the day. A nor'wester is always associated with a thunder-shower, and the precursory signs of its approach are the same as those which herald the coming of a violent thunderstorm.
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ROY, S., CHATTERJI, G. Origin of Nor'westers. Nature 124, 481 (1929). https://doi.org/10.1038/124481a0
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DOI: https://doi.org/10.1038/124481a0
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