NASA Sees Heavy Rain in Weakening Tropical Depression Bolaven (video) NASA/Goddard Space Flight Center Share Print E-Mail Loading video... Caption The GPM core satellite found rain in Bolaven was falling at a rate of almost 121 mm (4.8 inches) per hour in a band of convective storms northwest of the storm's center of circulation on Jan. 2. GPM found a few storm tops had heights exceeding 16 km (9.92 miles). Credit NASA/JAXA, Hal Pierce Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.