GPM Views Tropical Storm John
The GPM core observatory satellite had an extremely good view of tropical storm John on August 6, 2017 at 1:08 AM MDT (0708 UTC). The satellite passed right over John's center of circulation. GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) instruments provided excellent coverage of precipitation associated with tropical storm John. GPM showed that the large tropical cyclone was becoming well organized and had intense rainfall within feeder bands that were spiraling toward John's center. GPM's radar (DPR Ku Band) revealed that a band of powerful storms northeast of