Tornado touched down in Centreville, Michigan.

Tornadoes have killed four people in Oklahoma and left thousands without power.

Officials say the first tornadoes ever recorded in Wisconsin in the usually frigid month of February caused more than $2.4 million in damages.

In the video above, meteorologist Jonathan Kegges breaks down the timeline of events of the recent tornadoes that ravaged Mississippi and what people should look for on the radar to help deal with future tornadoes.

Tornadoes touched down in Texas and Louisiana as a powerful storm system that dumped snow in California moved eastward.

Local organization Global Empowerment Mission is heading to Kentucky to help those affected by the devastating tornadoes.

Of course, we’ve all heard of tornadoes, hurricanes and snow emergencies -- even if we don’t experience these things, we’re familiar enough with what exactly they entail.