The agency is responsible for tracking and forecasting severe weather threats across the U.S.

If you have ever noticed small black diagonal lines on a severe weather map, those markings have a specific meaning. The system is called hatching, and it is used by the Storm Prediction Center to ...

Multiple states are under extreme heat warnings, advisories or watches on Wednesday, July 23 due to a heat dome that is expected to slowly spread east, according to the National Weather Service. The ...