When a tornado strikes, a team from the National Weather Service (NWS) is sent out to assess the storm’s wind speeds and damage.

A lead forecaster with the National Weather Service branch in Louisville told LEX18 the path to determine a tornado's rating ...

Each of these tornadoes were surveyed ... “The idea of the EF5 rating is that your house sustained catastrophic damage,” Nowotarski explained. “At some point, your house is already knocked ...

For many of the people who attended the standing-room-only discussion of the 40th anniversary of the May 31, 1985, tornado ...

The National Weather Service has determined that the family of tornadoes that tore through south-central Kansas on Sunday night were all rated EF3s on the Enhanced Fujita scale. Five main ...

The National Weather Service confirmed that two EF-1 tornadoes hit East Tennessee, causing concentrated damage and downed trees, but no injuries or fatalities.

The ratings of two other confirmed tornadoes on the Eastern Plains remain unknown, NWS meteorologist David Barjenbruch said. All four tornadoes hit between 1 and 2 p.m. Sunday. EF2 tornadoes reach ...

Surveys are now underway to determine tornado ratings. While Louisville experienced tree damage and power outages, no life-threatening injuries were reported. This story has been updated with new ...

EF3 tornadoes harbor winds of 136 mph to 165 mph. Assigning ratings can be challenging when strong tornadoes pass through sparsely populated areas. Unless a tornado hits a well-constructed ...