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NASA's airborne Hurricane and Severe Storm Sentinel or HS3 mission, will revisit the Atlantic Ocean for the third year in a row. Image Credit: NASA's Goddard Space Flight Center/Ryan Fitzgibbons Download this video in HD formats from NASA Goddard's Scientific Visualization Studio During this year's Atlantic hurricane season, NASA is redoubling its efforts to probe the inner workings of hurricanes and tropical storms with two unmanned Global Hawk aircraft flying over storms and two new space-based missions. NASA's airborne Hurricane and Severe Storm Sentinel or HS3 mission, will revisit the...

On May 29, GPM Deputy Project Manager Candace Carlisle (left) handed over the "key" to the GPM Core Observatory to GPM Mission Director James Pawloski (center, blue shirt). Also pictured, left to right, Wynn Watson, Art Azarbarzin, Gail Skofronick-Jackson and David Ward. Image Credit: NASA The new Global Precipitation Measurement Core Observatory satellite is now in the hands of the engineers who will fly the spacecraft and ensure the steady flow of data on rain and snow for the life of the mission. The official handover to the NASA / Goddard Earth Science Mission Operations team at NASA’s...

Rain, ice, hail, severe winds, thunderstorms, and heavy fog – the Appalachian Mountains in the southeast United States have it all. On May 1, NASA begins a campaign in western North Carolina to better understand the difficult-to-predict weather patterns of mountain regions. The field campaign serves as ground truth for measurements made by the Global Precipitation Measurement (GPM) mission's Core Observatory. GPM is an international satellite mission to observe rain and snow around the world. The advanced instruments on the GPM Core Observatory satellite, launched Feb. 27, provide the next...

March 17, 1947 - November 20, 2013 Watch the video "Remembering Arthur Hou: A Legacy of Leadership" Event Photos The Dr. Arthur Hou Memorial Symposium at the 2014 PMM Science Team Meeting. Dr. Michael Freilich, NASA Earth Science Division Director, speaking at the Dr. Arthur Hou Memorial Symposium. Dr. Piers Sellers, Deputy Director of the Sciences and Exploration Directorate, speaking at the Dr. Arthur Hou Memorial Symposium. Dr. Piers Sellers and Dr. Riko Oki presenting plaques to the family of Dr. Arthur Hou. Event Information August 4, 2014 from 1-5 p.m. Embassy Suites - Grand Historic...

On March 10, the Core Observatory passed over an extra-tropical cyclone about 1055 miles (1700 kilometers) due east of Japan's Honshu Island. Satellite data shows the full range of precipitation in the storm. Image Credit: NASA's Goddard Space Flight Center Download related multimedia in HD formats from NASA Goddard's Scientific Visualization Studio NASA and the Japan Aerospace Exploration Agency (JAXA) have released the first images captured by their newest Earth-observing satellite, the Global Precipitation Measurement (GPM) Core Observatory, which launched into space Feb. 27. The images...