Harford County Public Schools reported at 5:30 a.m. that schools would be closed.
Employees are on "code green," meaning schools and offices are closed, essential personnel report according to specific directions, no second shift custodians are on duty, and daycare and evening activities are canceled.
Harford County government offices are closed.
Town of Bel Air offices will open at 10 a.m.
Aberdeen Proving Ground is operating on a two-hour delay, with liberal leave in effect.
Harford Transit will not be operating.
Harford County was under a winter storm warning until 1 p.m., according to the National Weather Service, which said that travel conditions would be dangerous.