The TRMM satellite flew directly over the eye of powerful hurricane Iselle on August 4, 2014 at 1037 UTC. Iselle had winds of about 120kts (about 138 mph) at that time making it a dangerous category four hurricane on the Saffir-Simpson hurricane wind scale. Rainfall from TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) instruments is shown overlaid on a GOES-WEST enhanced infrared image captured at 1030 UTC. Rain was found by TRMM PR to be falling at a rate of almost 182 mm (about 7.2 inches) per hour in Iselle's eye wall. Hurricane Iselle is predicted by the National Hurricane

The National Hurricane Center (NHC) upgraded a well defined low pressure center east-southeast of Barbados to tropical storm Bertha on July 31, 2014 at 0300 UTC (11 PM AST). Bertha's development is inhibited by vertical wind shear that may weaken as the tropical storm moves over the northeastern Caribbean Sea. The TRMM satellite had an excellent view of tropical storm Bertha on August 1, 2014 at 0713 UTC (3:13 AM AST). Rainfall from TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) with this TRMM pass is shown overlaid on a GOES-EAST enhanced infrared image received at 0715 UTC. Those

The Global Precipitation Measurement (GPM) mission's Precipitation Processing System at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, has released the Level 2 GPM Microwave Imager (GMI) data to the public. The data set includes precipitation rates, which show how much rain and snowfall accumulate over a given time period. This Level 2 data set of falling rain and snow is computed from Level 1 brightness temperature observations from GMI, the basic measurement made by the instrument of naturally occurring energy radiated, in this case, by precipitation particles (raindrops or

Typhoon Matmo hit eastern Taiwan at it's peak power with winds estimated at 85kts (about 98 mph). In addition to damaging winds Matmo produced very heavy rainfall while passing over central Taiwan. The TRMM-based, near-real time Multi-satellite Precipitation Analysis (TMPA) at the NASA Goddard Space Flight Center was used in this analysis to show rainfall totals for the period from July 17-24, 2014. It shows that rainfall totals greater than 400 mm (about 15.7 inches) soaked eastern Taiwan. Heavy rainfall also occurred yesterday over the Taiwan Strait. This band of heavy rainfall associated

The TRMM satellite saw typhoon Matmo nearing Taiwan on July 21, 2014 at 2316 UTC. TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) showed that Matmo contained a large area of precipitation falling at a rate of over 61 mm (about 2.4 inches) per hour northeast of Matmo's center. After battering Taiwan today, typhoon Matmo is predicted to make a second landfall in China tomorrow.