Suomi NPP Image of Karen (IMAGE) NASA/Goddard Space Flight Center Caption NASA-NOAA's Suomi NPP satellite passed over Tropical Storm Karen and the VIIRS instrument aboard captured this image of the storm on Sept. 24 at 2:48 a.m. EDT (0648 UTC). Suomi NPP found that the strongest thunderstorms around the center had cloud top temperatures as cold as minus 80 degrees Fahrenheit (minus 62.2 degrees Celsius) appearing in yellow. Those storms were surrounded by strong storms with cloud top temperatures as cold as (red) minus 70 degrees Fahrenheit (minus 56.6 Celsius). Credit Credit: NASA/NOAA/NRL Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.