Add Yahoo as a preferred source to see more of our stories on Google. A funnel cloud touches down north of Jarrell along Interstate 35 on May 27, 1997. The violent storms that ripped through four ...

It's tornado season in Colorado. After a tornado has touched down and caused damage, it's up to the National Weather Service to determine its intensity. Meteorologists do this using a scale called the ...

May 20 (Reuters) - The tornado that slammed into the Oklahoma City suburb of Moore on Monday, killing more than 50 people with winds up to 200 miles per hour (320 kph), was given a preliminary ranking ...

When using the Enhanced Fujita Scale to determine the tornado's EF-rating, begin with the 28 Damage Indicators on the scale. Each one of these indicators have a description of the typical construction ...

WICHITA, Kan. (KWCH) - When a tornado strikes, a team from the National Weather Service (NWS) is sent out to assess the storm’s wind speeds and damage. From that assessment, the tornado is given a ...

GRAND RAPIDS, Mich. (WOOD) — On April 3, 1956, an F5 tornado swept through Ottawa County, leaving a path of destruction in its wake. Seventy years later, tracking tornadoes has vastly improved and so ...

Tornadoes are rated based on the damage they cause, but what wind speeds are associated with each rating? How common are EF0 tornadoes compared to EF5 tornadoes? Get ready for severe weather season, ...

Meteorologist Caitlin Harvey breaks down the EF scale that's used to rank tornadoes. Tornadoes are rated using the Enhanced Fujita scale, which is ranked and scaled on winds and damage caused as the ...

FAYETTEVILLE, Ark. (KNWA/KFTA) — April 10, 1929, was the day the only documented F5 tornado occurred in Arkansas. It stretched from southern Batesville to north of Swifton and southern Alicia. How are ...

The 1970 Lubbock tornado was a destructive storm that killed 26 people and caused over $100 million in damage. It was one of only two tornadoes ever considered for an experimental F6 rating, which was ...

Measuring tornado winds at the ground level is notoriously difficult. Instead, meteorologists look at the damage, using on or more of 28 key indicators to determine how strong the tornado likely was ...