A tornado watch is issued when conditions are favorable for a tornado to form. It does not mean a tornado has been spotted, but rather that conditions are right for one to form. During a tornado watch, it’s important to keep a close eye on the sky and be prepared to take action if a tornado warning is issued.
A tornado warning is issued when a tornado has been spotted or is indicated by weather radar. During a tornado warning, it’s important to take action right away, as a tornado could be headed your way. Seek shelter in an interior room of a sturdy building and stay away from windows.