tropical cyclones

GPM: Hurricanes Beyond the Tropics

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On August 28, 2011, Tropical Storm Irene hit Vermont, causing widespread damage and the worst flooding in 75 years. Irene's impact in New England shows that tropical cyclones can greatly affect regions outside the view of TRMM. The Global Precipitation Measurement (GPM) mission will build upon TRMM's legacy by examining a larger swath of Earth with more sensitive instruments.


Monsoon, Tropical Cyclones Bring Massive Flooding to Manila

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TRMM rain map of Manila

Over the past two weeks, a combination of the southwest monsoon and tropical cyclones passing in the vicinity of the northern Philippines has resulted in massive flooding in and around the Philippine capital. It is the worst flooding there since Typhoon Ketsana in 2009, which devastated Manila and killed over 400 people throughout the country. The current flooding began at the end of July with the passing of Typhoon Saola (known as Gener in the Philippines) northeast of Luzon.

Deadly Tropical Cyclone Giovanna Floods Madagascar

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TRMM image of Giovanna flooding Madagascar

The rainfall analysis above uses near-real-time, TRMM-based precipitation estimates (3B42)from a merger of all available satellite data. This Multi-satellite Precipitation Analysis (TMPA) done at the NASA Goddard Space Flight Center provides estimates of rainfall over the global Tropics. This rainfall analysis shows the rainfall from February 8-15, 2012 that was mainly caused by tropical cyclone Giovanna when it passed over Madagascar.


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