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Archive: Wed Mar 2013

Vernal equinox, as viewed using GOES-13

The vernal equinox — commonly referred to as the “first day of Spring” in the Northern Hemisphere — occurred at 11:02 UTC on 20 March 2013. A GOES-13 full disk visible image at 11:45 UTC (above) showed the cloud features on the sun-lit portions of the Earth at that time,... Read More