Oklahoma tornado watch is in effect for many counties until Monday evening. Live updates and video as News 9 tracks the severe weather risk.

Much of the state is expected to experience a moderate risk of tornadoes with a current severe thunderstorm warning in effect.

The violent tornado tore through Moore, Oklahoma, on May 20, 2013, killing 24 people and injuring dozens more.

Severe storms damaged homes, businesses, and power lines across Oklahoma, with the worst impacts in Pittsburg and Muskogee counties.

A security camera caught the moment a police cruiser was struck by lightning as severe weather rolled through Oklahoma on Monday. CBS News senior weather correspondent Rob Marciano has a look at the damage in Oklahoma,

It's been 12 years since the historic, deadly Moore, Oklahoma, EF5 tornado. New research has given light as to why no U.S. tornado has achieved an EF5 rating since.

The agency’s office in Jackson, Kentucky, had begun closing nightly as deep cuts by Elon Musk’s Department of Government Efficiency began hitting. But the weather service kept staffers on overtime Friday night to stay on top of the deadly storms, which killed nearly 20 people in the Jackson office’s forecast area.