The most recent tornado with a rating of 3 hit College Park, Md., in September 2001. Less than a year later, La Plata, Md., was struck by a violent tornado rated a 4 in April 2002. How likely is ...

Officials in eastern Tennessee say two people were killed when severe storms with a possible tornado moved through the region.

Colorado hospitalist Jason Persoff, MD, uses plenty of technology when he chases storms in hopes of seeing a tornado. He checks sophisticated forecasting models and uses a high-quality radar app.