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April Showers Bring May Flowers. NASA scientists talk about the new global portrait of rain and snow and why this world-wide view of precipitation is important for everything from knowing how much freshwater is available to drink, to forecasting natural disasters like hurricanes and floods, to understanding Earth in a changing climate. NASA’s Global Precipitation Measurement mission – GPM – sees through clouds to produce the most detailed world-wide view of rain, light rain and snow every 30 minutes. Scientists can now see weather fronts in the Southern Ocean, snow at the tops of hurricanes and watch a storm on the East Coast travel across the Atlantic bringing deluge of rain that causes flooding in England. A constellation of a dozen satellites provides this unprecidented look inside rain clouds, hurricanes and blizzards, giving scientists new insights into how these storms develop and intensify, which will improve weather forecasting.For click here. Dr. Dalia Kirschbaum - NASA ScientistFor complete transcript, click here. Dr. Gail Skofronick-Jackson - NASA ScientistFor complete transcript, click here. Dr. Eric Brown de Colstoun - NASA ScientistFor complete transcript, click here. Dr. Eric Brown de Colstoun - NASA ScientistThis interview is in Spanish. There is no transcript. Dr. George Huffman

GPM Project Scientist Dr. Gail Skofronick-Jackson and Deputy Project Scientist Dr. George Huffman narrate a look at the new GPM IMERG global dataset.Complete transcript in Brazilian Portuguese available. NASA s Integrated Multi-satellitE Retrievals for GPM data product, called IMERG, which combines all of these data from 12 satellites into a single, seamless map.The map covers more of the globe than any previous precipitation data set and is updated every half hour, allowing scientists to see how rain and snow storms move around nearly the entire planet. As scientists work to understand all the elements of Earth’s climate and weather systems, and how they could change in the future, GPM provides a major step forward in providing the scientific community comprehensive and consistent measurements of precipitation. An excerpt of the IMERG data visualization with no narration. Full run of IMERG data visualization, running from April through September 2014. Video file for the IMERG release. Includes visualization, b-roll and interview clips. Extended interview clips from GPM Project Scientist Dr. Gail Skofronick-Jackson and Deputy Project Scientist Dr. George Huffman. An excerpt of the IMERG data visualization with no narration or annotations

Animation of IMERG precipitation rates from 4/1/2014 through 9/30/2014 NASA s climate and weather systems, and how they could change in the future, GPM provides a major step forward in providing the scientific community comprehensive and consistent measurements of precipitation. Color bar for liquid precipitation rates (ie, rain rates). Shades of green represent low amounts of liquid precipitation, whereas shades of red represent high amounts of precipitation. Color bar for frozen precipitation rates (eg, snow rates). Shades of cyan represent low amounts of frozen precipitation, whereas shades of purple represent high amounts of precipitation. Animation of IMERG precipitation rates from 4/1/2014 through 9/30/2014 without annotation