Lake Superior Freezing Time Lapse

February 16th, 2014 by Roy W. Spencer, Ph. D.

I put together this time lapse of twice-daily images from NASA MODIS (flying on the Terra and Aqua satellites), between 11 Dec. 2013 and 15 Feb. 2014. This is the “721” enhancement, which better separates clouds (white) from snow/ice (blue). (Sorry, but it was too much trouble to put a date stamp on every frame).

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