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"description": "The Global Precipitation Measurement mission's Core Observatory flew over Hurricane Arthur five times between July 1 and July 6, 2014. Arthur is the first tropical cyclone of the 2014 Atlantic Hurricane season. It formed as a tropical storm on Tuesday, July 1 and reached maximum intensity as a Category 2 hurricane on July 4, disrupting some coastal U.S. Independence Day celebrations. This visualization is taken from the flyover on July 3, 2014 with Hurricane Arthur just off the South Carolina coast. GPM data showed that the hurricane was asymmetrical, with spiral arms, called rain bands, on the eastern side of the storm but not on the western side.
The GPM Core Observatory carries two instruments that show the location and intensity of the rain, 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.
For forecasters, GPM's microwave and radar data are part of the toolbox of satellite data, including other low Earth orbit and geostationary satellites, that they use to monitor tropical cyclones and hurricanes.
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{
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"title": "GPM April Showers Bring May Flowers Live Shots 4.1.15",
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"page_type": "Produced Video",
"title": "Seeing Inside A Storm",
"description": "Hurricane Arthur became the first storm of the 2014 Atlantic hurricane season. The storm formed on June 30 off the coast of Florida and was classified as a Category 2 hurricane when it made landfall over North Carolina on July 3. That morning, NASA’s Global Precipitation Measurement (GPM) Core Observatory satellite passed over the hurricane, detecting the drops of water that descended from its winding clouds. The satellite, which launched in February 2014, has two instruments that measure the location and intensity of water falling from inside a storm. Such observations help scientists distinguish the structure of features that power a hurricane, providing clues as to whether or not a storm will strengthen. Watch the video to see a 2D and 3D visualization of Arthur's precipitation as the hurricane approached shore. || ",
"release_date": "2014-07-29T11:00:00-04:00",
"update_date": "2023-05-03T13:50:41.969274-04:00",
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"alt_text": "A NASA satellite maps precipitation from a Category 2 hurricane.\r",
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