As for the numbers on the scale, those describe the wind speed for tornadoes, and it uses 28 damage indicators (DIs), such as ...

Wednesday's night's twister was the state's 29th tornado so far this year. Most have been weak spin-up tornadoes during ...

The original “Fujita Scale” or “F-scale” was used until 2007, when tornado ratings switched to the Enhanced Fujita scale.

The Enhanced Fujita, or EF, Scale rates tornadoes based on their wind speed and related damage, according to the NWS. The scale, which ranges from zero to five, uses three-second gusts estimated at ...

The National Weather Service has confirmed that a funnel cloud spotted in Teller County west of Woodland Park on Tuesday, ...

The tornadoes arose from the severe storms that had been rolling across Southeast Texas since before dawn Thursday. No one ...

As of Wednesday evening, the National Weather Service in Fort Worth has confirmed that three tornadoes touched down in North ...

An EF0 tornado was confirmed just north of the Little Rock Air Force Base. An EF0 tornado is characterized by wind speeds ...

The town of Great Valley supervisor expressed relief Tuesday that there were no injuries as a result of the EF1 tornado — ...

Satellite imagery released by NASA features a giant brown streak where the storm sliced through the Daniel Boone National ...