How do schools make decisions about when to cancel school because of weather?

As a parent, or an employer, it can be extremely frustrating. A big storm is predicted, schools are closed, and parents are home with their kids trying to balance work and child care. And to make it even worse, sometimes that big storm never materializes. In this episode, WRAL meteorologist Kat Campbell shares what she learned about how school systems make decisions to delay and cancel classes due to weather.