It was "one of rarest" tornado outbreaks on record, says a tornado expert, but "things like that are possible." ...

A warm spring day turned to terror for residents of Pennsylvania, Ohio and southern Ontario 40 years ago this weekend.

The outbreak produced Pennsylvania's first and only F5 tornado, a violent twister that came out of eastern Ohio and crossed ...

Number of tornadoes recorded that day in Ohio, Pennsylvania, New York and Ontario. 10: Duration of tornado outbreak that day ...

Keystone State, including the first and only F5. This WTAE archive video shows some of the widespread damage in Pennsylvania.

This weekend, the 40th anniversary of the pounding tornadoes that walloped the Mahoning and Shenango valleys, conjures up a wide swath ...

and Ohio, Ripley and Dearborn counties is southeastern Indiana. A series of storms that could produce strong winds, hail or tornadoes will impact the Greater Cincinnati region Tuesday. The primary ...

Storms producing tornadoes in Ohio often approach from the southwest. They can travel at speeds up to 70 miles per hour and contain winds estimated at over 200 miles per hour. Som ...

In the wake of the tornado outbreak 40 years ago, this group of amateur radio operators played a vital role in communication with emergency responders.

The deadly outbreak of storms caused 89 deaths and thousands of injuries to the Pennsylvania, Ohio and New York regions.

One person was killed in Texas earlier this week as an intense storm quickly tore through Austin, dumping rain that caused ...

With a busy hurricane season forecasted, NOAA urges families to prepare. Learn how to create emergency plans, stock supplies, ...