Montgomery County public school teacher Alex Tsironis turned his interest in weather and talent for communication into a multi-media empire followed avidly by thousands of D.C. Metro teachers and students who hang on his remarkably accurate predictions of how weather will influence school openings. Alex talked to Lunch Duty and explained everything about how, on top of a demanding teaching job, he keeps track of the weather and gives students and teachers hope (or not) for unplanned downtime.