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GPM Has A Good Look At Tropical Storm Raquel

GPM Has A Good Look At Tropical Storm Raquel
The GPM core observatory satellite recently had an excellent view of tropical storm Raquel in the South Pacific Ocean. Raquel was moving over the Solomon Islands on July 1, 2015 at 0749 UTC when viewed by GPM. Tropical cyclone activity normally ramps up in the northern hemisphere this time of the year so Raquel's development yesterday north of the Solomon Islands was a little surprising. Rainfall was measured by GPM's Dual-Frequency Precipitation Radar (DPR) and Microwave Imager (GMI) instruments. Those data showed that powerful thunderstorms within Raquel were dropping rain at a rate of over

GPM Sees Tropical Storm Bill Over Texas

GPM Sees Tropical Storm Bill Over Texas
Friday, June 19, 2015
Download in hi-res from the NASA Goddard Scientific Visualization Studio Tropical Storm Bill made landfall over Texas at approximately 11:45am CST on June 16, 2015. Shortly after midnight, GPM passed over the storm as it slowly worked it's way northward across the already drenched state of Texas. This visualization shows Bill at precisely 12:11:27am CST (6:11:27 GMT) on June 17, 2015. The GPM Core Observatory carries two instruments that show the location and intensity of rain and snow, which defines a crucial part of the storm structure – and how it will behave. The GPM Microwave Imager sees...
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IMERG Sees Heavy Rain Over United States

During the past week the combination of tropical storm Bill's landfall and a slowly moving frontal system extending from the Midwest to the Northeastern states dropped extreme rainfall from Texas' Gulf coast to the northeastern states. Data from NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) were used in this analysis to estimate the extreme amount of rain that fell during the past seven days. Tropical Storm Bill and it's remnants caused very heavy rainfall while moving through Texas and Oklahoma. Over a foot of rain was reported in Oklahoma resulting in at least two deaths. The

Weakening Tropical Storm Bill Seen By GPM

Weakening Tropical Storm Bill Seen By GPM
The GPM core observatory satellite had a good daytime look at tropical storm Bill on Wednesday June 17, 1015 at 1552 UTC ( 10:52 AM CDT). GPM saw that an area of heavy rain on Bills northern side was then moving into southern Oklahoma. The Dual-Frequency Precipitation Radar (DPR) on board the satellite measured rain dropping at a rate of over 50 mm (almost 2 inches) per hour in some intense storms. GPM radar data (Ku band) were also used to look at the 3-D structure and storm top heights within storms associated with tropical storm Bill. This image shows that in some areas the dissipating