NASA sees Tropical Depression Rai over Thailand, Vietnam, Laos

After Tropical Depression 19W moved ashore in central Vietnam NASA-NOAA's Suomi NPP satellite passed over the system and found some powerful thunderstorms over Thailand, Vietnam and Laos capable of dropping heavy rainfall.

NASA sees System 98W become Tropical Depression Kammuri

Strong thunderstorms around the center of circulation in tropical low pressure System 98W were seen on infrared satellite imagery and were a clue to forecasters that the storm was intensifying. Early on Sept. 24, the storm ...

Alberto now a tropical depression

Infrared satellite imagery from NASA's Aqua satellite revealed Alberto weakened from a tropical storm to a tropical depression as it appears more disorganized. At 10:30 a.m. EDT on May 21, Tropical Storm Alberto weakened ...

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