Contact: Rob Gutro
NASA/Goddard Space Flight Center
Caption: Cloud top temperatures in thunderstorms circling Tropical Storm Unala's (right) center on Aug. 19 at 0105 UTC were colder than -63F/-52C, indicating strong storms with heavy rain potential. Typhoon Pewa's (left) cloud tops were colder.
Credit: NASA JPL, Ed Olsen
Usage Restrictions: None
Related news release: NASA sees Tropical Storm Unala develop and weaken quickly