Our show tonight focuses on forecasting and defining snow squalls and what qualifies as a snow squall, why the public should pay attention, and the difficulty of the science of forecasting winter weather events.  Tonight's Guest WeatherBrain is a meteorologist at the National Weather Service in State College, Pennsylvania.  He previously joined us back on show 877.  John Banghoff, great to see you again!  Our second Guest WeatherBrain is also a 30-year veteran meteorologist at NWS State College PA.  He's the Lead Forecaster at NWS State College, and is passionate about winter storms and winter weather forecasting.  Greg DeVoir, welcome!  Our third Guest WeatherBrain is the Science and Operations Officer at the NWS in State College PA.  Michael Jurewicz, welcome!