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Persistant, Heavy Rains lead to Flooding in Haiti

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TRMM image of flooding in Haiti

A trough of low pressure draped across the Greater Antilles together with a persistent area of broad low pressure located in the western Caribbean combined to bring a weeks worth of steady and often heavy rains to the region. This resulted in flooding across portions of Haiti, Jamaica, the Dominican Republic, Puerto Rico, and the Virgin Islands.

Songda Passes Northeast of the Phillippines

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TRMM Image of Songda

Super Typhoon Songda was seen again by the TRMM satellite on 27 May 2011 at 0710 UTC. The TRMM satellite view shows that powerful super typhoon Songda contained bands of extremely heavy rainfall with numerous powerful thunderstorms. Songda is predicted to pass to the east of Taiwan and weaken over the next few days. Bands of rainfall from the weakening storm may move over Japan as the predicted center brushes the south-eastern coastline from 29-30 May 2011.

TRMM Sees Typhoon Songda

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TMI image of Typhoon Songda

Typhoon Songda was east of the Philippines when the TRMM satellite had an early evening view on 25 May 2011 at 0903 UTC. Both TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) instruments were used to provide the rainfall analysis shown above. TRMM's TMI had the best coverage of rainfall with Songda and showed well organized bands of moderate to heavy rainfall converging into the typhoon.

Tropical Storm Four Forms in the Pacific

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Tropical Storm Four Forms in the Pacific

The TRMM satellite flew over rapidly forming TS04W in the western Pacific on 20 May 2011 at 0037 UTC (~10:37 AM LOCAL TIME). This daylight TRMM pass showed that the tropical cyclone was becoming much better organized. The intensifying tropical cyclone now contained several areas of heavy thunderstorms dropping rain at over 50 mm/hour (~2 inches/hour).

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