Early this morning at 1100 UTC the TRMM satellite flew above an area where a possible tropical cyclone is developing southeast of the Hawaiian Islands (12 North 140 West). A rainfall analysis from TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) instruments is shown on the left overlaid on a GOES-WEST image received at the exact same time. TRMM PR data found powerful storms near the center of the tropical disturbance where rain was falling at a rate of over 105 mm (about 4.1 inches). Radar reflectivity values of over 50dBZ were being returned to the satellite from intense rain

Typhoon Rammasun known locally as "Glenda" is the most powerful typhoon to hit the Philippines this year. As of today, Ten deaths have been attributed to Rammasun. Flooding and landslides are expected due to heavy rainfall. Typhoon Rammasun's track was north of Super Typhoon Haiyan's path of destruction through the Philippines in November 2013. The image above is a preliminary analysis of rainfall during the period when typhoon Rammasun was moving over the Philippines. Typhoon Rammasun's track is shown in red. This analysis is the result of a TRMM-calibrated merged global Multi-satellite

Today typhoon Rammasun is pounding the Philippines with strong winds and heavy rainfall. Rammasun was labeled a tropical storm on July 12, 2014 when it formed west of Guam. Rammasun strengthened and was upgraded to a typhoon on July 14, 2014. Typhoon Rammasun became still more powerful and had winds estimated at 100kts (about 115 mph) today making it a category three tropical cyclone on the Saffir-Simpson hurricane wind scale. The images above show typhoon Rammasun as the TRMM satellite flew over on July 14, 2014 at 1819 UTC and again on July 15, 2014 at 0410 UTC. These images show that

Once powerful typhoon Neoguri is dropping copious rainfall as it passes over southern Japan as a tropical storm. Heavy rainfall from Neoguri fell on land that was already soaked earlier this month by a slow moving seasonal frontal system. Flooding and mudslides from Neoguri have caused the deaths of three people in Japan this week. The TRMM Multi-Satellite Precipitation Analysis (TMPA), produced at Goddard Space Flight Center, combines the rainfall estimates generated by TRMM and other satellites (3B42). The analysis above shows a near-real time Multi-satellite Precipitation Analysis (TMPA)

TRMM satellite had another good view of typhoon NEOGURI on July 8, 2014 at 0545 UTC. With wind speeds of 110 kts (about 127 mph) NEOGURI had weakened to a strong category three typhoon. A rainfall analysis from TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) is shown overlaid on a MTSAT Visible/Infrared image from 0600 UTC. Rainfall was measured by TRMM PR falling at a rate of over 117 mm (about 4.6 inches) per hour in a rain band affecting Okinawa. A simulated 3-D view (from the east) shows NEOGURI's rainfall structure at the time of this TRMM satellite pass. Powerful thunderstorms