Texas sees an average of 135 tornadoes each year, the most of any U.S. state. Here's a look at the worst ones in the Lone ...

which rated tornadoes from F0 to F5, based on estimated wind speeds and observed damage. Then, in 2007, the weather service adopted the Enhanced Fujita scale, which better reflected actual storm ...

Since tornadoes started to be tracked reliably in 1953, a total of 71 twisters have touched down in Bexar County. Here are ...

When a tornado tears through an area, the main question after the fact is, “How strong was it?” That’s where the Enhanced ...

77% were rated either F0/EF0 or F1/EF1. Violent tornadoes — those rated F4/EF4 and F5/EF5 — are much rarer. Only 89 such tornadoes were reported during the same time period, accounting for 0.9 ...

Dr. Fujita's original scale, which ranges from F0 to F5, is based upon the type and severity of damage the tornado produced. At that time, there were very few actual measurements of tornado wind ...

America's tornadoes so far this year are on a pace not seen in 14 years, and may have set a new all-time record for one spring month with the typically most active month of the year still ahead.

THE SECOND ONE THAT WAS THE BIGGER ONE. BOTH EF TWO OR EXCUSE ME, F0 F ONE TORNADOES. THESE TWO. THE The National Weather Service in Omaha has revised the width of Thursday night's tornado in ...

More extreme weather in South Africa could support conditions conducive to tornado formation, a climate expert has warned.

SO TRUE. PREPARATION IS KEY TO SAFETY. WE HEAR ABOUT TORNADOES RATED ON A SCALE EF ZERO TO EF FIVE, BUT WHAT DOES THAT MEAN AND HOW IS THAT DETERMINED? METEOROLOGIST CAITLIN HARVEY EXPLAINS.