The National Weather Service in Green Bay confirmed on Wednesday that a very brief, weak tornado struck Peninsula State Park ...

GRAND FORKS, N.D. (KFGO/KWAT)–The National Weather Service office in Grand Forks has issued a summary on a tornado near ...

The National Weather Service in Grand Forks has released details on the tornado that touched down near Dakota Magic Casino on ...

The relatively weak twister damaged some buildings and injured livestock near Middlefield. Winds peaked at around 85 mph.

At 2:59 p.m. Thursday, a tornado touched down for under a minute in a cornfield northwest of Beaver Dam, Heeren said. It was traveling at 65 mph and rated "0" on the Enhanced Fujita Scale for ...

Kahn added the Fujita scale (F-0 to F-5) was developed in 1971 by Dr. Tetsuya Theodore Fujita to estimate tornado wind speeds.

You're all familiar with the Enhanced Fujita Scale or EF Scale, which became operational on February 1, 2007, is used to assign a tornado a 'rating' based on estimated wind speeds and related ...

The tornado was about as wide as a football field. It had estimated peak winds of 105 mph, making it an EF-1 on the Enhanced Fujita scale, which ranks tornadoes from EF-0 to EF-5.

The EF-0 tornado had wind speeds of 85 mph and traveled a quarter-mile through Huntsburg Township, uprooting trees and ...

A brief tornado touched down at approximately 8:45 p.m. on Aug. 12, just west of state Route 528 and south of Burton-Windsor Road in Huntsburg Township, located roughly three miles northeast of ...

The Enhanced Fujita scale (EF-Scale) looks at the damage caused by a tornado to measure its strength. The EF-Scale ranges from 0-5.

EF-0 is the weakest tornado rating on the Enhanced Fujita Scale, with winds ranging from 65 to 85 mph. The survey reported 65 mph winds in Monday's tornado.