Dangerous storms targeted numerous states on Tuesday afternoon, prompting immediate warnings for people to seek shelter.

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

The National Weather Service warns of large hail up to 2 inches in diameter, damaging winds up to 70 mph, and locally heavy ...

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

Ritterling says those storms could start around the 3am hour overnight. Risks include winds up to 70mph, hail up to two ...

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-U by the National Weather Service. The tornado, which prompted an early morning warning for much of Story County, formed around 5:45 a.m.

Video footage showed the waterspout spinning near Barnegat Inlet at about 10:38 a.m., and it may have been swirling for about ...

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

At least one waterspout was spotted on video near Island Beach State Park on Tuesday morning. Video posted on Instagram by fisherman Matthew Farrell shows heavy cloud cover and a funnel stretching ...

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

Just minutes before the tornado touched down in the area, approximately 1,000 people were seated in the grandstand awaiting ...