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 ...
Violent tornado outbreak underway in South from storm that has killed at least 33
Severe storms and tornadoes are tearing through the South after deadly outbreak in the Midwest on Friday. Follow for live ...
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Monster storm across the US sparks threat of tornadoes and fire, killing at least five people
At least five people have been killed in a monster storm sweeping across much of the U.S. At least two people were killed in ...
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 ...
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 ...
Tornado outbreak live updates: 40 tornadoes, 34 dead in cross-country storm system
Millions of Americans across the country are on alert for a severe weather outbreak as violent, long-track tornadoes with ...
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Monster storm across the US sparks threat of tornadoes in US South; At least 5 dead
At least five people have been killed in a monster storm sweeping across much of the U.S. At least two people were killed in ...
At least 26 dead in massive US storm after Kansas reports 8 fatalities
At least 26 people have been killed in a monster storm sweeping across much of the U.S. Kansas authorities said eight people ...
An explanation of storm categories
The SPC uses categories to convey the strength of the severe weather threat. TSTM, which is shaded in light green, is technically not a severe weather category, but is just a general thunderstorm ...