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Content which is affiliated solely with the Global Precipitation Measurement Mission.

GPM Sees Tropical Storm Koppu Menacing The Philippines

GPM Sees Tropical Storm Koppu Menacing The Philippines
Tropical storm Koppu was approaching the Philippines with sustained winds estimated of 60 kts (69 mph) when the GPM core observatory satellite passed above on October 15, 2015 at 1436 UTC. A rainfall analysis using data collected by GPM's Microwave Imager (GMI) instrument revealed that an eye was very close to forming near Koppu's center of circulation. Rain was measured by GPM's GMI instrument dropping rain at a rate of over 133 mm (5.3 inches) per hour in intense convective thunderstorms just southwest of Koppu's center. Data from GPM's Dual-Frequency Precipitation Radar (DPR) instrument

GPM Views Tropical Depression Twenty Five (25W)

GPM Views Tropical Depression Twenty Five (25W)
Tropical Depression Twenty Five (TD25W) also formed today. It was located east of Guam and is predicted by the Joint Typhoon Warning Center (JTWC) to move toward the west-northwestward and pass to the north of Guam. TD25W is expected to become a typhoon with maximum sustained winds of 75 kt (86 mph) on October 18, 2015. The GPM core observatory satellite saw TD25W on October 13, 2015 at 1313 UTC. GPM found that TD25W contained moderate to heavy rainfall falling at a rate of up to 67 mm (2.6 inches) per hour. A 3-D image was made using GPM's Dual-Frequency Precipitation Radar (DPR) data where

Tropical Storm Koppu Heads Toward The Philippines

Tropical Storm Koppu Heads Toward The Philippines
Tropical storm KOPPU that recently formed northwest of Guam in the western Pacific Ocean may threaten the Philippines in the next five days. A recent prediction by the Joint Typhoon Warning Center (JTWC) indicates that tropical storm KOPPU will intensify to typhoon intensity while heading westward toward the northern Philippines. The GPM core observatory satellite flew over tropical storm KOPPU on October 13, 2015 at 0316 UTC. Data collected with GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) instruments shows that numerous intense thunderstorms near the tropical

Subtropical Storm Joaquin Heads For Europe

Subtropical Storm Joaquin Heads For Europe
Hurricane Joaquin became subtropical while traveling over the cool waters of the North Atlantic. The low pressure center that was once powerful hurricane Joaquin was viewed by the GPM core observatory satellite on October 9, 2015 at 0106 UTC. The low pressure center was moving past the Azores toward landfall in Portugal. GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) instruments measured precipitation within the low pressure center. The most intense rainfall was located northeast of the center of the low and was falling at a rate of over 54 mm (1.1 inches) per hour

NASA Aids Response to Carolina Flooding

NASA Aids Response to Carolina Flooding
Friday, October 9, 2015
It was rain that wouldn't quit. A weather system fueled by warm moisture streaming in from the Atlantic Ocean on Oct. 3 and 4 relentlessly dumped between one and two feet of rain across most of South Carolina. The result was rivers topping their banks and dams bursting. Catastrophic flooding followed across most of the state, which has left residents in some areas without power or clean drinking water. Tracking and predicting the deluge, both as rain and then floodwater, are the first steps to help protect people in harm's way. State and federal emergency managers have been on the front lines...
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GPM Reveals Very Strong Thunderstorms in Typhoon Choi-Wan

GPM Reveals Very Strong Thunderstorms in Typhoon Choi-Wan
The GPM core observatory satellite flew above tropical storm Choi-Wan on October 5, 2015 at 1828 UTC and then saw Choi-Wan again as a hurricane on October 6, 2015 at 0448 UTC. The tropical cyclone was spreading clouds and rain over a large area of the northwest Pacific Ocean southeast of Japan. GPM discovered that Choi-Wan's organization had slightly improved. GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) instruments were able to peer through the overcast and reveal the locations of rainfall bands within the tropical cyclone. GMI found several areas where Choi-Wan

IMERG Measures Historic Rainfall With A Nor'easter and Joaquin

IMERG Measures Historic Rainfall With A Nor'easter and Joaquin
NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) data were used to estimate the historic amount of rain that fell during the past week in the Carolinas. A "fire hose" of moisture has been pumped into the Carolinas from hurricane Joaquin resulting in wide spread flooding. Over two feet of rain have been reported in South Carolina. This analysis indicated that major hurricane Joaquin also dropped over 700 mm (27.5 inches) in the Bahamas. Hurricane Joaquin has weakened from a category four hurricane in the Bahamas to a category one hurricane affecting Bermuda. Click here to see a

Joaquin Becomes a Hurricane, Could Impact the US East Coast

Joaquin Becomes a Hurricane, Could Impact the US East Coast
Joaquin, which became a tropical storm Monday evening (EDT) midway between the Bahamas and Bermuda, has now formed into a hurricane, the 3rd of the season--the difference is Joaqin could impact the US East Coast. GPM captured this image of Joaquin late yesterday afternoon at 21:39 UTC (5:39 pm EDT) on the 29th of September as Joaquin was moving very slowly towards the west-southwest about 400 miles east of the northwestern Bahamas. This first image shows rain rates derived from GPM's GMI microwave imager (outer swath) and DPR space-borne precipitation radar (inner swath) overlaid on IR data

Typhoon Dujuan Batters and Drenches Taiwan

Typhoon Dujuan formed in the western Pacific Ocean northwest of Guam on September 21, 2015. Dujuan intensified to a super typhoon with winds of 125 kts (144 mph) on September 27, 2015 as it approached Taiwan. The island of Taiwan experienced extreme rainfall and damaging winds with the passage of typhoon Dujuan. The typhoon also caused hundreds of injuries and at least three deaths in Taiwan. After pounding Taiwan the typhoon started weakening before hitting China. Dujuan dropped light to moderate rainfall over a large area of coastal China while dissipating. A preliminary analysis of Rainfall

The Evolution of NASA Precipitation Data

The Evolution of NASA Precipitation Data
Tuesday, September 29, 2015
NASA’s global precipitation data and data processing systems have come a long way from the launch of TRMM in 1997 to the ongoing GPM mission. Just before midnight Eastern Daylight Time on June 15, 2015, a fireball appeared over central Africa, streaked across Madagascar, and tracked across the uninhabited Southern Indian Ocean. This was the fiery end of the joint NASA/Japan Aerospace Exploration Agency (JAXA) Tropical Rainfall Measuring Mission (TRMM). TRMM’s homecoming after more than 17 years in orbit also marked the end of the first major satellite mission specifically designed to gather...
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