where: Atmosphere over the Americas, photographed by GOES-13, 5th October 2014.
“Mid-Level Water Vapor”, imaged in 6.5 µm mid-wavelength infrared light. 15 images, 1 every half hour, 0215-1615 UTC (10:15pm on the 4th to 12:15pm on the 5th EDT).
For scale, the second gif adds the location of some notable cities within the frame.
GOES-13 is a geostationary weather satellite operated by the U.S. National Oceanic & Atmospheric Administration.
Image credit: NOAA/NASA. Animation: AgeOfDestruction.