NASA's infrared eyes examine Tropical Depression Haitang as it nears Vietnam
Monday, September 26, 2011 - 16:00
in Earth & Climate
Very cold temperatures in NASA infrared satellite imagery of tropical cyclones tell meteorologists that cloud tops are high, and the thunderstorms they're associated with have a lot of punch. Some of those strong storms are evident in Tropical Depression Haitang as it heads for landfall in Vietnam where cloud-top temperatures exceed -63 Fahrenheit.