A tornado-warned storm raced through Effingham County, Illinois, prompting urgent alerts from the National Weather Service.

1. The Hook Echo Pattern on Radar The hook echo signature appears as a hook-shaped weather radar feature and stands as one of ...

From Tornado Alley to the Deep South, these five U.S. states have the highest odds of seeing a tornado each year. Here's how ...

Severe thunderstorms produced several tornadoes, hail and powerful wind gusts that downed trees and damaged property throughout portions of Ohio Valley Thursday afternoon and into the evening.

Add Yahoo as a preferred source to see more of our stories on Google. ST. CLAIR, Mo. — At 11:52 this morning, the National Weather Service office in Springfield, Missouri, issued a tornado warning for ...

After further analysis of radar debris signature and viewer damage reports, we have an early look at where the tornado likely ...

Understanding how tornadoes are formed.

Tornadoes were spotted around the Navajo Nation and at least one touched down near a community in southeastern Utah. Tornadoes are rare in Arizona, but as many as four to six develop each year, ...

Researchers at the University of Kansas have shown the National Severe Storms Laboratory’s Warn-on-Forecast System (WoFS) has potential to help weather forecasters issue warnings to emergency managers ...

Tornado Watch until 9 pm for I-70 and south until 9 p.m. Storms are increasing from the west in coverage and intensity.