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The Global Precipitation Measurement mission is happy to announce the top ten winners of the "Let It Snow" photo competition. Thank you to everyone who submitted their best pictures of winter. From January 7th through February 4th 2013, over 1,000 photos were submitted via Flickr and Instagram (see the Flickr submissions here). We loved all of your entries and thoroughly appreciate your participation. We'll be sending the winning submitters GPM posters, lithographs, pins, and NASA and GPM stickers. Stay tuned and follow GPM for information about future events and contests, including our newest activity The GPM Anime Challenge, going on NOW until April 30th. Learn More About GPM

Tropical Cyclone Rusty's Flooding Rainfall

In addition to high winds tropical cyclone Rusty's heavy rainfall caused flooding in north-western Australia. The TRMM satellite's main purpose is the accurate measurement of tropical rainfall around the globe. TRMM is also used to calibrate rainfall estimates from other satellites. The TRMM-based, near-real time Multi-satellite Precipitation Analysis (TMPA) at the NASA Goddard Space Flight Center provides estimates of rainfall over the global Tropics. TMPA rainfall totals in association with tropical cyclone Rusty are shown for the period from February 21-28, 2013. Rusty's approximate 0000Z

Tropical Cyclone Rusty Moves Into Australia

On February 27, 2013 at 0559 UTC The TRMM satellite again saw tropical cyclone Rusty moving toward Australia's coastline north-west of Hedland. A rainfall analysis derived from TRMM's Microwave Imager (TMI) data is shown overlaid on a visible/infrared image from the TRMM Visible and InfraRed Scanner (VIRS). Rusty's eye, surrounded by light to moderate rainfall, was revealed by TRMM's TMI data to be located very near the coastline. Click here to see an animation which fades from the underlying visible/infrared image to the TMI rainfall analysis image. Tropical cyclone Rusty is predicted to