This image was created by Hal Pierce of the NASA Goddard Space Flight
Center. More information on TRMM can be found at trmm.gsfc.nasa.gov
Heavy rains dumped a foot or more of water over several Indonesian
island regions during March 29-April 1. The image graphically
portrays heavy rain accumulations particularly over and offshore of
Papua New Guinea and over the easternmost islands of Flores and Timor
in Jakarta. The accumulation map was created using a technique that
combines rainfall information from a number of NASA and DoD
satellites. NASA's Tropical Rainfall Measurement Mission (TRMM)
satellite plays a key role in mapping the rain. The heavy rains
occurred sporadically in the form of intense clusters of
thunderstorms, embedded within the larger Winter Asian Monsoon
circulation, and modulated by the passage of an atmospheric wave
called the tropical intraseasonal oscillation. The very localized
but extreme rain amounts over the island of Flores resulted in
violent landslides that killed 23 people.
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This image originally appeared on the Earth Observatory. Click here to view the full, original record.