Add Yahoo as a preferred source to see more of our stories on Google. The Enhanced Fujita Scale, love it or hate it, is our current system for rating the hundreds of tornadoes that occur each year ...

MOLINE, Ill. — On Monday, the National Weather Service issued measurements for the tornado that went through Winterset, Iowa, as an EF-4, and the two tornadoes in the Quad Cities as an EF-0 and EF-1.

Severe weather season in Texas, or when severe thunderstorm activity peaks between March and June, coincides with transitional weather patterns typical for spring. The jet stream’s position over Texas ...

May 21 (Reuters) - The tornado that slammed into the Oklahoma City suburb of Moore, killing 24 people, was upgraded on Tuesday to a rating of EF5, the category reserved for the most damaging twisters ...

MIKE MOSS SAYS: Aaron, Readily accessible tornado records are available for our state covering the period 1950 through 2008. During that time, there have been no tornadoes in North Carolina that rated ...

I'm sick of people watching tornadoes on TV, pointing at vague images on the horizon and saying: "that there's about an F4." Please explain the Fujita scale. -- W.N.D., Tulsa. The Fujita scale. This ...

The Enhanced Fujita Scale, love it or hate it, is our current system for rating the hundreds of tornadoes that occur each year across the United States. To much chagrin, it rates tornadoes solely ...