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CNN-weather/environment

Almost 25,000 people in Western Canada evacuated as wildfires rage across region amid hot weather and high winds

By Dave Alsup, Matt Phillips and Emma Tucker, CNN Almost 25,000 people who live in the Canadian province of Alberta have been evacuated as wildfires rage across the region, which is seeing abnormally hot weather and high winds, emergency officials said Saturday. There are at least 103 wildfires burning across the western province, Alberta Premier

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How a thunderstorm can produce a tornado

By Jennifer Gray, CNN Meteorologist Tornadoes are one of Earth’s most violent natural forces. They have whipped up in all 50 US states — and across the globe — at various times of year, sometimes causing untold devastation. But despite strides in their study, there’s still so much scientists don’t know about them. “There is

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Severe storms featuring tornadoes, waterspouts possible along Gulf Coast this weekend

By Allison Chinchar, CNN Meteorologist More than 20 million people in the Southeast have the potential for severe storms this weekend, including possible tornadoes, waterspouts, hail and damaging winds. “Yet another round or two of severe weather and heavy rainfall is expected over the weekend,” the National Weather Service office in Tallahassee said. “Still some

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How does hail form?

By Jennifer Gray, CNN Meteorologist and Madison Richardson, CNN Thunderstorms can bring dangerous lightning, heavy rain, strong winds and sometimes ice stones falling from the sky — known, of course, as hail. Hail generally ranges from pea- to softball-sized and can damage property and injure people. Hail forms when warming at the Earth’s surface causes

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Severe thunderstorms threaten more than 15 million today from the South to the Northeast after flooding triggered water rescues in Texas’ capital

By Aya Elamroussi and Jennifer Gray, CNN The same weather system that spawned tornadoes, deadly storms and water rescues in the central US continues to lash Texas with heavy rain as it crawls east early Friday, putting more than 15 million people at risk of severe thunderstorms from the South and Midwest to the Northeast.

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More severe storms brewing Thursday as rescue work continues after 3 died in Oklahoma amid tornadoes

CNN, KOCO By Jennifer Gray, Aya Elamroussi, Robert Shackleford and Tina Burnside, CNN More severe storms are threatening some 50 million people from Texas to Wisconsin after the same system left at least three people dead in Oklahoma, with a dozen tornadoes reported across three states and search-and-rescue still underway in some places. Numerous severe

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More severe storms brewing Thursday as rescue work continues after 3 died in Oklahoma amid tornadoes

By Jennifer Gray, Aya Elamroussi, Robert Shackleford and Tina Burnside, CNN More severe storms are threatening some 50 million people from Texas to Wisconsin after the same system left at least three people dead in Oklahoma, with a dozen tornadoes reported across three states and search-and-rescue still underway in some places. Numerous severe thunderstorm warnings

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