National Aeronautics and Space Administration, (NASA): Hurricanes/Tropical Cyclones
Aug. 26, 2011, First Update
An infrared image from NASA's Aqua satellite's Atmospheric Infrared Sounder (AIRS) instrument, shows Hurricane Irene right off the Florida, Georgia and South Carolina coasts on August 26, at 2:59 a.m. EDT (06:59 UTC). There is a very large area of strong thunderstorms around the center of circulation, and also, in a large band of on the northeastern quadrant that appear in purple. The infrared data showed highest, coldest thunderstorm cloud tops in two areas. There is a very large area of strong thunderstorms around the center of circulation and also in a large band of on the northeastern quadrant. Cloud top temperatures are colder than -63 Fahrenheit (-52 Celsius) in those areas, indicating strong thunderstorms and heavy rainmakers.