NASAโs First Global Rainfall and Snowfall Map NASAโs Global Precipitation Measurement mission has produced its first map of global rain and snowfall. In the most detailed map of Earthโs precipitation that has ever been created, NASA scientists can follow the planetโs weather patterns in near real-time. NASA teamed up with the Japan Aerospace Exploration Agency (JAXA) to launch the GPM Core Observatory just over a year ago. The Core Observatory, which acts as a tuner to bring together measurements of 12 international [โฆ] Weather ameliatraynor | March 4, 2015 0 Comments