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GPM Captures Hurricane Harvey's Rainfall

GPM Captures Hurricane Harvey's Rainfall
Friday, September 1, 2017
Music: "Whirlpool," Michael Jan Levine, Killer Tracks The Global Precipitation Measurement (GPM) Core Observatory captured these images of Hurricane Harvey at 11:45 UTC and 21:25 UTC on the 27th of August nearly two days after the storm made landfall as it was meandering slowly southeast at just 2 mph (~4 kph) near Victoria, Texas west of Houston. The image shows rain rates derived from GPM's GMI microwave imager (outer swath) and dual-frequency precipitation radar or DPR (inner swath) overlaid on enhanced visible/infrared data from the GOES-East satellite. Harvey's cyclonic circulation is...
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Intensifying Hurricane Irma Checked By GPM Satellite

Intensifying Hurricane Irma Checked By GPM Satellite
After forming in the eastern Atlantic Ocean on Wednesday tropical storm Irma strengthened and became a powerful category three hurricane on Thursday August 31, 2017. Hurricane Irma was moving west-northwestward with winds of about 115 mph (100 kts) when the GPM core Observatory satellite saw it on September 1, 2017 at 1:47 AM AST (0547 UTC). Data collected by GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) instruments showed the locations and intensity of heavy precipitation within the hurricane. GPM's Radar (DPR Ku band) found that a powerful convective storm in a

GPM Satellite Sees Tropical Storm Irma Forming Near Cape Verde Islands

GPM Satellite Sees Tropical Storm Irma Forming Near Cape Verde Islands
The National Hurricane Center (NHC) upgraded a low pressure area in the far eastern Atlantic Ocean to tropical storm Irma on August 30, 2017 at 11:00 AM AST (1500 UTC). Tropical cyclones that form in that part of the Atlantic Ocean are often the largest and most powerful hurricanes of the season. Hurricanes Ivan (2004), Isabel (2003), Hugo (1989) and Allen (1980) are examples of past powerful hurricanes that formed near the Cape Verde islands. The GPM core observatory satellite flew above forming tropical storm Irma on August 30, 2017 at 1:56 AM EDT (0556 UTC). This new tropical cyclone was

NASA's IMERG Shows Rainfall Accumulation Along Harvey's Track

NASA's IMERG Shows Rainfall Accumulation Along Harvey's Track
Total rainfall estimates from NASA's Integrated Multi-satelliE Retrievals for GPM (IMERG) data are shown here for the period from August 23-29, 2017. During this period hurricane Harvey dropped heavy rainfall as it moved through the Gulf Of Mexico and stalled over Texas. It has been reported that Harvey dropped over 40 inches (1016 mm) of rain over southeastern Texas during this period. Hurricane Harvey's locations and track are shown here overlaid in white IMERG Data are produced using data from the satellites in the GPM Constellation, and is calibrated with measurements from the GPM Core

Harvey Hits Texas, Unleashes Major Flooding

Harvey Hits Texas, Unleashes Major Flooding
Monday, August 28, 2017
Despite its earlier demise, after rejuvinating over the warm waters of the Gulf of Mexico, Hurricane Harvey has become a major weather maker as it unleashes historical flooding over parts of coastal Texas. Harvey began on the 17th of August as a weak tropical storm about 250 miles (~400 km) east of Barbados in the Leeward Islands. Over the next two days, Harvey continued moving steadily westward passing through the Leeward Islands as a still weak tropical storm and entered into the east central Caribbean. On the 19th, Harvey succumbed to the effects of northeasterly wind shear over the central...
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GPM's Radar Measures Intense Rain In Hurricane Harvey

GPM's Radar Measures Intense Rain In Hurricane Harvey
Hurricane Harvey's has continued to intensify today as it moves toward the Texas coast. Bands of rain from the hurricane were affecting the Gulf coast from Louisiana to southeastern Texas. The Global Precipitation Measurement (GPM) mission core observatory satellite had another look at hurricane Harvey on August 25, at 7:50 AM CDT (1150 UTC) as it was menacing the Texas gulf coast. GPM's Dual-Frequency Precipitation Radar (DPR) instrument scanned precipitation within powerful storms wrapping around the eastern side of the hurricane. DPR found that intense storms in that area were dropping rain

GPM Observes Intensifying Hurricane Harvey's Rainfall

GPM Observes Intensifying Hurricane Harvey's Rainfall
UPDATE: View the latest GPM overpass from 8/25/17 1141 UTC using the STORM Event Viewer: https://storm.pps.eosdis.nasa.gov/storm/cesium/EventViewer.html?positio… Hurricane Harvey has continued to intensify after regenerating in the southwestern Gulf of Mexico on Wednesday. Harvey's intensification has been aided by moving through an environment that includes low vertical wind shear and the warm waters in the Gulf Of Mexico. The Global Precipitation Mission (GPM) core observatory satellite

Reviving Tropical Storm Harvey's Remnants Observed By GPM

Reviving Tropical Storm Harvey's Remnants Observed By GPM
The National Hurricane Center (NHC) upgraded the remnants of tropical storm Harvey to a tropical Depression on August 23, 2017 at 10:00 AM CDT (1500 UTC). Harvey became better organized and was revived after moving from Mexico's Yucatan Peninsula into the Bay of Campeche. The warm waters of the Gulf of Mexico and favorable vertical wind shear promoted the regeneration of the tropical cyclone. The GPM core observatory satellite flew over the regenerating tropical cyclone on August 23, 2017 at 6:58 AM CDT (1158 UTC). Data collected by GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation

Intensifying Hurricane Kenneth Examined By GPM

Intensifying Hurricane Kenneth Examined By GPM
The GPM core observatory satellite flew over hurricane Kenneth when it was approaching it's peak power on August 21, 2017 at 0158 UTC. This rainfall map of hurricane Kenneth was derived from the GPM satellite's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) instruments. GPM's GMI data enables analysis of precipitation across a swath that is 550 miles (885 km) wide. GPM's radar (Ku Band) can be used to show three-dimensional maps of precipitation structure along a narrower 152 mile (245 km) swath. GPM's radar found rain falling at a rate of over 11.3 inches (286 mm) per

Potential Tropical Cyclone Nine Viewed By GPM

Potential Tropical Cyclone Nine Viewed By GPM
On Thursday August 17, 2017 at 1100 AM AST (1500 UTC) the National Hurricane Center (NHC) called a stormy area of low pressure east of the Antilles "Potential Tropical Cyclone Nine". The GPM core observatory satellite flew above this area of disturbed weather earlier at 6:58 AM AST (1058 UTC). GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) data were used to examine the coverage and intensity of rainfall around the potential tropical cyclone. The center of the heaviest rainfall was located in GPM's GMI swath. Rain in that area was found by GMI to be falling at a rate
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