Severe thunderstorms threatened more than 13 million people on the East Coast on Friday with strong winds, hail, and lightning.
The National Weather Service announced a new category of "Destructive" Severe Thunderstorm Warning that now triggers wireless Emergency Alerts on mobile phones. Severe thunderstorms can be life ...
Severe storms — thunderstorms that produce tornadoes, hail at least one inch in diameter, or damaging winds (58 mph or higher) — are destructive and deadly. They cause an average of 200 deaths ...
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