Radiational cooling is the process where Earth’s surface loses heat by radiating energy into space, leading to a drop in temperature. This happens most effectively on clear, calm nights when there are ...

Greater Cincinnati and Northern Kentucky are under a frost advisory and freeze warning for Thursday and Friday. Residents are advised to protect sensitive plants and outdoor plumbing from the cold.

Northeast Ohio may be in for a flash freeze Friday morning, the National Weather Service says. Temperatures are expected to plummet, falling from a high of 51 degrees on Thursday afternoon to 23 by 6 ...