Breaking down the Storm Prediction Center’s severe storm risk categories
With a First Alert Weather Day for Saturday, March 15, 2025, and a rare high risk issued by the NOAA/National Weather Service ...
Tornado threat moves south after central states hit by massive storm
The threat of tornadoes moved east into the Mississippi Valley and the south on Saturday, just a day after a massive storm in ...
Threat of tornadoes moves to US South after big storm unleashes winds and fans wildfires
The threat of tornadoes is moving east into the Mississippi Valley and Deep South a day after a massive storm system moving ...
What the Storm Prediction Center's Thunderstorm Outlook Means
Severe weather is defined as a thunderstorm that produces one of the following: measured wind gusts to at least 58 mph, storms capable of producing wind damage (trees, structures, power lines), hail ...
Sweeping March storm system threatens U.S. with tornadoes, blizzards and wildfire conditions
A huge storm system crossing the U.S. threatens to unleash tornadoes Friday in the Mississippi Valley, blizzards in the ...
Monster Storm Unleashes Fires, Flooding, Hail, Multiple Tornadoes
In some extreme cases, thunderstorms can spawn a derecho, a long-lived windstorm with gusts over 100 mph, strong enough to ...
Weather IQ: What do the Storm Prediction Center's categories mean?
Severe weather can strike at any time, and when it does, it’s important to understand the level of threat you're facing. The Storm Prediction Center (SPC) uses a system of risk categories to ...
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Big March storm fans wildfires and flips trucks as forecasters fear weekend tornado outbreak
A sprawling storm system crossing the U.S. on Friday overturned semitrucks on highways and fanned wildfires in Texas and Oklahoma, where officials called for evacuations in at least one town. Tornado ...