The National Weather Service has confirmed five tornadoes touched down in the Miami Valley. However, there is a possibility a couple of the tornadoes could be long-track tornadoes, meaning it was ...

Also, an EFU category was later added for tornadoes that cannot be rated due to lack of damage ... a slight adjustment to the EF-scale's wind speed threshold for an EF5 from 201 mph to 190 mph, would ...

Research published by the American Meteorological Society suggests the more than decade long drought of the strongest tornadoes is due to stricter use of damage ratings versus any type of change to ...