Abstract
AT first sight, the occurrence of rain in Northern India at the season when the north-east or winter monsoon is at its height seems to present a meteorological paradox. The well-known theory of the winter monsoon is that at that season the barometer stands highest in North-Western India where the air is cold and dry, and lowest in the neighbourhood of the equator where it is warm and moist; and therefore, in accordance with elementary mechanical laws, the wind blows from the former to the latter. But the precipitation of rain requires that the air should have an ascending movement, and this can take place only over a region of low barometer, towards which, therefore, the winds are pouring in. Hitherto no one has attempted the reconciliation of these apparently discrepant conditions.
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The Theory of The Winter Raisn of Northern India 1 . Nature 30, 304–305 (1884). https://doi.org/10.1038/030304a0
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DOI: https://doi.org/10.1038/030304a0