NBC Nightly News Features NASA's Precipitation Experiment

Tune in tonight to NBC Nightly News with Brian Williams. Goddard's Gail Skofronick-Jackson flies through a snowstorm with reporter Anne Thompson on the DC-8 to learn more about GPM's Cold-season Precipitation Experiment (GCPEx) taking place in Ontario, Canada. DC Channel 4, 7:00 pm and Baltimore Channel 11, 6:30 pm.  Visit the GPM web site www.nasa.gov/gpm  for more information.