Equinox Cold Front
by Phil Chadwick
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Dimensions
12.000 x 10.000 x 1.000 inches
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Title
Equinox Cold Front
Artist
Phil Chadwick
Medium
Painting - Oil On Canvas
Description
It was the first full day in the spring of 2017. A cold front was about to return Singleton Lake to winter. The visible satellite image shows a space view of the cold front that I observed from the ground. The water vapour imagery closely approximates the isentropic surfaces on the warm and dry conveyor belts that drive the weather. The water vapour imagery revealed that the cold front was mainly a wind shift line as opposed to a real weather producer. Notice that in the cold and unstable air mass the low clouds are aligned with the wind direction along streets of convection. The weather is always interesting and typically inspires a painting.
Equinox is the time when the sun crosses the plane of the earth's equator, making night and day of approximately equal length all over the earth and occurring about March 21 (vernal equinox or spring equinox) and September 22 (autumnal equinox). The science of the spinning earth and its exposure to the sun is best told with images.
Uploaded
April 7th, 2017
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