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GPM Examines Forming Tropical Storm Nate (TD16)

GPM Examines Forming Tropical Storm Nate (TD16)
The GPM core observatory satellite passed above forming tropical storm Nate (TD16) on October 5, 2017 at 5:46 AM EDT (0946 UTC). TD16 was located in the western Caribbean near the coast of Nicaragua with winds of about 34.5 mph (30 kts). Data received by GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) shows bands of rain producing heavy rainfall East of TD16's center of circulation. Downpours in the Caribbean Sea East of Nicaragua were measured by GPM's Radar (DPR Ku Band) dropping rain at a rate of over 6.4 inches (162 mm) per hour. This close-up 3-d cross section

GPM Views Weakening Hurricane Maria

GPM Views Weakening Hurricane Maria
Hurricane Maria has significantly weakened from the powerful category four hurricane that devastated Puerto Rico. The GPM core observatory satellite flew over Maria on September 25, 2017 at 9:28 PM EDT (September 26, 2017 at 0128 UTC). This informative GPM pass showed that the western side of the hurricane was drier and contained much less precipitation than the eastern side. GPM's Dual-Frequency Precipitation Radar (DPR) scanned directly through the center of Maria's eye and showed that there were only light to moderate rain showers around the hurricane's center. DPR found a few convective

GPM Shows Hurricane Maria North Of Turks And Caicos Islands

GPM Shows Hurricane Maria North Of Turks And Caicos Islands
On September 23, 2017 at 8:12 AM AST (1212 UTC) the GPM core observatory satellite had another excellent view of hurricane Maria. The early morning view showed Maria heading north of the Bahamas after battering the Turks and Caicos Islands. Maria had maximum sustained wind speeds of about 121mph (105 kts). Estimates of hourly rainfall at the ocean's surface were derived from GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) data. Multiple intense rainfall bands are shown rotating around the western side of the hurricane. Rain was found falling at a rate of over 6.57

Hurricane Maria's Torrential Rainfall Measured By IMERG

Hurricane Maria's Torrential Rainfall Measured By IMERG
Hurricane Maria has caused catastrophic flooding in Puerto Rico. Extreme flooding was reported in the streets of San Juan, the capital of Puerto Rico. The National Weather Service issued flash flood warnings for the entire island. Hurricane Maria has now moved to the northwest of Puerto Rico but is still expected to contribute to rainfall over the island on Friday. Feeder bands are transporting rain over Puerto Rico and the Dominican Republic even as the hurricane moves toward the Turks and Caicos islands. NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) data were used to estimate

GPM Sees Hurricanes Maria and Jose

GPM Sees Hurricanes Maria and Jose
Wednesday, September 20, 2017
GPM passed over both Hurricane Maria and Hurricane Jose on September 18th, 2017. As the camera moves in on the Maria, DPR's volumetric view of the storm is revealed. A slicing plane moves across the volume to display precipitation rates throughout the storm. Shades of green to red represent liquid precipitation extending down to the ground. The Global Precipitation Measurement (GPM) mission shows the rainfall distribution for two major storms churning in the Atlantic and Caribbean basins. The visualization shows Hurricane Jose as it continues to slowly move northward off the US East Coast east...
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