GPM Flyby of Tropical Storm Isaac

On Sept. 11, 2018 at 11:53 p.m. EDT the GPM core observatory satellite found heaviest rainfall within Isaac was located to the southeast of the center. GPM found rain falling at a rate of over 140 mm (5.5 inches) per hour when it sliced through an isolated storm southwest of Isaac's center. The 3D view showed heavy downpours there. Storm tops were found by GPM's radar to reach heights above 16.2 km (10.0 km) in this area. Credit: NASA/JAXA, Hal Pierce