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GPM Sees Hurricane Matthew Nearing Florida

GPM Sees Hurricane Matthew Nearing Florida
Wednesday, October 5, 2016
UPDATE 10/6/16: NASA's Global Precipitation Measurement mission or GPM core observatory satellite flew over Hurricane Matthew several times as the category 4 storm headed toward Florida. 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 through the tops of clouds to observe how much and where precipitation occurs, and the Dual-frequency Precipitation Radar observes precise details of precipitation in 3-dimensions. This data...
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GPM Sees Hurricane Matthew Producing Dangerous Rainfall

GPM Sees Hurricane Matthew Producing Dangerous Rainfall
The GPM core observatory satellite passed above hurricane Matthew on October 2, 2016 at 5:46 AM EDT (0946 UTC). GPM’s Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) instruments collected data that were used in the rainfall map shown here. GPM found that very heavy rainfall was located around Matthew. Rain was revealed by GPM falling at a rate of over 6.4 inches (163 mm) in some areas near hurricane Matthew. Of particular interest is an area of very heavy rain located well to the east of Hurricane Matthew’s center. This blob of strong convective storms has been persistent

Intensifying Typhoon Chaba Examined By GPM

Intensifying Typhoon Chaba Examined By GPM
As Typhoon Chaba moved to the western Pacific Ocean south of Okinawa over the past few days wind speeds have increased to 115 kts (132 mph).The GPM core observatory satellite flew directly above Chaba’s eye on October 2, 2016 at 2026 UTC. GPM’s Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) instruments showed that Chaba was dropping extremely heavy precipitation. Some precipitation in the typhoon’s small eye wall was measured by GPM’s radar falling at a rate of more than 234 mm (9,2 inches) per hour. GPM’s Radar (DPR Ku Band) data were used to show the 3-D shape of

GPM Finds Intense Rainfall In Matthew Rainband

GPM Finds Intense Rainfall In Matthew Rainband
Matthew rapidly intensified Thursday evening and winds increased to 100 kts (115 mph) by Friday September 30, 2016. The GPM core observatory satellite flew over Hurricane Matthew on September 20, 2016 at 0946Z (5:46 AM EDT). A rainfall analysis from GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) showed that the Matthew had heavy rainfall in the northern side of the newly formed eye wall. GPM’s radar area of coverage (shown in a higher shade) included a very intense feeder band on the southeastern side of the hurricane. DPR measured rain falling at a rate of greater

GPM Gets a Closer Look at Louisiana Floods

GPM Provides a Closer Look at the Louisiana Floods
Thursday, September 29, 2016
Twice on August 12, 2016 GPM flew over a massive rainstorm that flooded large portions of Louisiana. The flooding was some of the worst ever in the state, resulting in a state of emergency. Tens of thousands of people were evacuated from their homes in the wake of this unprecedented event. Throughout the course of August 12 (UTC) GPM captured the internal structure of the storm twice and GPM IMERG measured the rainfall accumulation on the ground. NASA's GPM satellite is designed to measure rainfall using both passive microwave (GMI) and radar (DPR) instruments. DPR can observe 3D structures of...
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