The EFU rating is used when a tornado's wind speed is undetermined. The NWS also said the minimal damage to crops is not ...

Last weekend's tornado near Gilbert has been rated an EF-0 by the National Weather Service. The tornado, which prompted an ...

The National Weather Service said there were no injures or damage reported when the tornado touched down around 4:31 p.m.

NWS meteorologists in Tampa are working closely with DeSoto County officials to assess the strength of a landspout tornado ...

EFU stands for Enhanced Fujita Unknown, meaning that the damage is too minimal to determine a rating or there's no assessable damage.

The full tornado details and official EF classification will be released by the National Weather Service of Des Moines on ...

The National Weather Service has confirmed that a microburst was to blame for damage over the weekend in Sanbornton.

The National Weather Service may send a survey team on Sunday or Monday to determine whether a funnel cloud hit the ground, ...

The National Weather Service's Wilmington office confirmed a tornado in Northridge after a preliminary storm survey in the ...

Meteorologists have confirmed that two EF-0 tornadoes touched down in Hustisford and northeast of Beaver Dam. A third ...

Tornadoes were spotted near Madison and in Waupun in central Wisconsin on July 16, and other areas will be assessed for touch ...