Semi-circular cloud patterns near the centre of the image were detected by a Geostationary Operational Environmental Satellite (GOES) <a href="//commons.wikimedia.org/wiki/Category:Infrared" title="Category:Infrared">infrared</a> image of the region.
Image courtesy of NASA GOES Project Science and the NOAA Comprehensive Large Array-Data Stewardship System.
2009-11-09
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