Predicting Weather By The Moon - Xavier University Libraries

Weather By The Moon
Barometric pressure can rise steadily whilst an anticyclone
is developing, and fall during receding.
Example 1. Heat wave, record summer high temperatures, 3 days
after New Moon, 7th Feb. 1973
CYCLONES
Clockwise rotation of winds in the southern hemisphere,
anticlockwise in the northern hemisphere, are associated
with cyclones or storms at upper levels, and will
tend to coincide with troughs or gaps between the anticyclones.
Cyclones and depressions tend to drift east or
southeast in the Southern Hemisphere and east or northeast
in the Northern Hemisphere.
A tropical cyclone is a low pressure circulation in
tropical latitudes, having wind speeds more than Beaufort
8, but less than 12(hurricane). A hurricane or typhoon is
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