Contact: Rob Gutro
NASA/Goddard Space Flight Center
Caption: This NASA AIRS infrared image of Tropical Storm Dianne from Feb. 17 at 06:05 UTC (1:05 a.m. EST) shows a large area of strong convection and powerful thunderstorms (purple). Those cloud top temperatures in the strongest thunderstorms were as cold as or colder than -63F/-52C.
Credit: NASA JPL, Ed Olsen
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Related news release: NASA infrared satellite data see an intensifying Tropical Storm Dianne