The Effect of a Solar Eclipse on Temperature and Wind

A solar eclipse does not merely mean that the moon passes between the Earth and the Sun, so that in the shadow of the moon, the Sun can be invisible except for a ring of light. In the shadow of the moon, the absence of the Sun can result in a sudden drop in pressure, and temperature of up to 25 degrees Celsius. This sudden drop in temperature means that the air contracts and becomes less dense, and this results in an increase in wind speed.The shadow due to the eclipse can move at over a thousand km an hour - faster than an airliner. This does not mean wind speeds of this magnitude - the change in wind speed will not knock you off your feet, typically amounting to a small breeze - since the effect are localized and limited by the duration of the eclipse - typically a few minutes.

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