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By Lisa-Natalie Anjozian , NASA Goddard Space Flight Center Original www.nasa.gov Press Release (published 11/27/12) A NASA study using TRMM satellite data revealed that the year 2010 was a particularly bad year for landslides around the world. Around midnight on August 8, 2010, a violent surge of loosened earth roared down mountain slopes and slammed into quietly sleeping neighborhoods in Zhouqu County in Gansu, China. The catastrophic mudslides—the deadliest in decades according to state media—buried some areas under as much as 23 feet (7 meters) of suffocating sludge. 1,765 people died...

By Ellen Gray , NASA Goddard Space Flight Center Original www.nasa.gov Article (published 11/27/12) When it rains it pours, goes the saying, and for the last 15 years, the data on tropical rainfall have poured in. NASA's Tropical Rainfall Measuring Mission (TRMM) was launched on Nov. 27, 1997, and for the last decade and a half has enabled precipitation science that has had far reaching applications across the globe. TRMM Project Scientist Scott Braun looks back at the legacy of the Tropical Rainfall Measuring Mission and a few of the major scientific milestones the satellite has helped...

In total, 25 events were identified with two events classified as “clear air” flights conducted by the DC-8 to sample land surface emission characteristics. Table 4 summarizes case date and time, event type, and airborne data collection during the field project. Event total SWE amounts represent manual measurements taken by a Tretyakov gauge located inside a DFIR wind shield at CARE. Precipitation types are characterized as rain (R), snow (S), or mixed precipitation that could include ice pellets (R/S). Synoptic context/regime(s) were determined from the daily synopsis produced by the project...

By Ellen Gray , NASA Goddard Space Flight Center Original www.nasa.gov Article (published 10/17/12) NASA's Global Precipitation Measurement (GPM) Core Observatory satellite went through its first complete comprehensive performance test (CPT), beginning on Oct. 4, 2012 at NASA's Goddard Space Flight Center in Greenbelt, Md. The testing ran twenty-four hours, seven days a week and lasted ten days as the entire spacecraft was put through its paces. "This is the first time we've gotten to see the observatory all put together, running the way it's supposed to be running in flight," said CPT Test...