An updated tornado warning was issued by the National Weather Service on Wednesday at 12:03 a.m. EDT in effect until 12:30 a.m. EDT for Shiawassee County.

As Severe Weather Week continues, emergency officials are urging residents to take tornado preparedness seriously as spring and summer storms approach. Tornadoes are among the most dangerous weather events in the Midwest because they can form quickly and change direction without much warning.

A tornado watch means a tornado is possible, while a warning means a tornado is happening or about to happen. Experts say to seek shelter immediately when a tornado warning is issued. Get off the road and seek shelter, but avoid highway overpasses.

With storm season underway, Columbia Gas and county emergency officials share tips on gas safety, flooding risks and tornado preparedness.

Emergency managers, who responded to some of the worst tornadoes in the country last year, have a message for Americans

The warning follows others issued for Walworth, Racine and Kenosha counties, which expired at 8:45 p.m.

A tornado warning was released by the National Weather Service on Monday at 7:20 p.m. in effect until 7:45 p.m. for Tuscaloosa County.