Definition and Formation Tornadoes are fascinating yet terrifying natural phenomena characterized by their rapidly rotating columns of air. These twisters, as they are often called, extend from the ...

A series of severe storms triggered tornado warnings and tornado watches in much of central and northern Illinois on March 19 ...

Michigan officials are planning a statewide tornado drill ahead of spring's severe weather season. What you should know.

A Tornado WATCH means conditions are favorable for the development of tornadoes in and near areas designated by the National Weather Service. Be ready to move to a place of safety if the watch is ...

Nearly 80% of all tornadoes occur between April ... to summarize the three alerts. Sirens are tested on the first Tuesday of each month at 10 a.m. in Illinois. The state uses a single alert ...

The Emergency Alert System will test its communications systems Tuesday morning to prepare for tornado season.

Indianapolis residents can expect to hear tornado sirens every Friday morning as city officials test to make sure they are working.

Sirens sounded in parts of McLean County on Wednesday afternoon as another spring storm system crashed through the area. At ...

Tornado sirens across the state will be activated next week as part of a yearly drill. The drill coincides with Severe ...