NASA and JAXA's GPM mission takes rain measurements global
As anyone who has ever been caught in a sudden and unexpected downpour knows, gaps still exist in our knowledge about the behavior and movement of precipitation, clouds and storms. An upcoming satellite mission from NASA and the Japan Aerospace Exploration Agency (JAXA) aims to fill in those gaps both in coverage and in scientists' understanding of precipitation.<img src="http://feeds.feedburner.com/~r/sciencedaily/~4/9jwX1I3GyOE" height="1" width="1"/>
