TRMM News

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

Hurricane Arthur battered North Carolina after coming ashore late last night at 0315 UTC (11:15 PM EDT). The TRMM satellite flew directly over Arthur on July 3, 2014 at 1922 UTC ( 3:22 PM EDT) as the hurricane was becoming increasingly more powerful. An analysis of rainfall from TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) instruments was overlaid on a 1926Z GOES-EAST Visible/Infrared image. Intense bands of thunderstorms north of Arthur's well defined eye were revealed by TRMM to be dropping rainfall at a rate of over 98.4 mm ( about 3.9 inches) per hour. One of the TRMM

Tropical storm Arthur intensified and was upgraded to a hurricane by the National Hurricane Center (NHC) early this morning. The TRMM satellite flew above the intensifying tropical storm on July 2, 2014 at 2156 UTC (7:56 PM EDT). At that time TRMM found that Arthur hadn't formed an eye but had heavy rain near the center of a well defined circulation. Rainfall derived from TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) is shown overlaid on a GOES-EAST Visible/Infrared image collected at the same time as the TRMM pass.

The TRMM satellite had a good daylight look at tropical storm Arthur on July 1, 2014 at 1620 UTC (12:20 PM EDT) less than two hours after it was upgraded from a tropical depression. Rainfall from TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) data are shown overlaid on a GOES-EAST infrared/visible image collected at 1626 UTC (12:26 PM EDT). The location of very heavy rainfall around Arthur's center was shown using TMI data. TRMM PR data sliced through the southern half of the tropical storm. A 3-D view (from the west) using those data is shown above. Radar reflectivity values

A tropical disturbance east of Florida's coast became better organized and was upgraded to a tropical depression by the National Hurricane Center (NHC) on June 30, 2014 at 11:00 PM EDT (July 1, 2014 at 0300 UTC). On July 1, 2014 at 1100 AM EDT (15:00 UTC) the NHC upgraded tropical depression one to tropical storm Arthur. The TRMM satellite had an excellent view of the forming tropical depression (TD01) on June 30, 2014 at 1717 UTC (1:17 PM EDT). Intense thunderstorms were shown by TRMM to be wrapping around the southern side of the low pressure center. TRMM's Precipitation Radar (PR) revealed

Over the past seven days stormy weather has spawned tornadoes and dropped extremely heavy rainfall in the Northern Plains and the Great Lakes states. This deluge has caused flooding in South Dakota, Minnesota, Iowa, Wisconsin and Illinios. There have been concerns about the Mississippi, Big Sioux and Rock River Rivers escaping their banks. For more than sixteen years rainfall has been monitored by the TRMM-based, near-real time Multi-satellite Precipitation Analysis (TMPA) . These products have been developed at the NASA Goddard Space Flight Center by the precipitation research team. (TMPA)

Tornadoes killed two people yesterday in Pilger, Nebraska. Tornadoes were reported with violent weather that also hit the states of North Dakota, Iowa and Wisconsin. Heavy rainfall with this extreme weather was monitored with the TRMM-based, near-real time Multi-satellite Precipitation Analysis (TMPA) at the NASA Goddard Space Flight Center. An analysis of TMPA rainfall totals is shown here for the seven days from June 10-17, 2014. This analysis indicated that the highest rainfall totals for the period (light purple) were greater than 300 mm (about 11.8 inches) in northwestern Iowa. Locations

Tropical storm NANUAK formed west of India on June 10, 2014 and since then has been moving toward the northwest over the open waters of the Arabian Sea. The TRMM satellite found that NANAUK contained powerful storms dropping rain at a rate of over 247.3 mm/hr (about 9.7 inches) when viewed on June 11, 2014 at 1549 UTC. An analysis of rainfall from TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) is shown above overlaid on a 1530 UTC enhanced infrared image from the METEOSAT-7 satellite. TRMM PR data were used in the 3-D view shown in the second image. Those data showed that NANAUK