Tonight's Guest WeatherBrain is a Senior Meteorologist Investigator for the NTSB.  He's been with the NTSB since January 2011, serving in the Office of Aviation Safety.  He has served as a Meteorologist Investigator in more than 500 accidents including Spaceship 2, Flight 214 in  San Fransisco, and the Caribbean Flight 523 in Guyana.    He has a B.S. in Meteorology and M. S. in Atmospheric Science from North Carolina State University.  Paul Suffren, welcome back to the show!