AIRS image of Sally (IMAGE)
Caption
On Sept. 15 at 3:29 a.m. EDT (0729 UTC) NASA's Aqua satellite analyzed Sally's cloud top temperatures using the AIRS instrument. AIRS showed the strongest storms were offshore in the northern Gulf of Mexico where they were as cold as or colder than 210 Kelvin (purple) minus 81 degrees Fahrenheit (minus 63.1 degrees Celsius).
Credit
Credit: NASA JPL/Heidar Thrastarson
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