CNN-weather/environment

By Jennifer Gray, CNN Meteorologist (CNN) — Measuring earthquakes is no easy task, given they strike suddenly and sometimes at global scale. When the Earth’s crust shifts abruptly, an earthquake occurs, with energy radiated out as seismic waves and shaking that’s sometimes experienced by people, buildings and infrastructure. Seismic waves and factors related to the

By Jennifer Gray and Tina Burnside, CNN (CNN) — Nearly 100 people attending a concert Wednesday evening at the Red Rocks Amphitheatre near Denver were injured after being pelted with large hail during severe storms that moved across the area, a fire department said. At least seven people were taken to hospitals with non-life-threatening injuries,

By Alisha Ebrahimji, Elizabeth Wolfe and Dave Alsup, CNN (CNN) — All residents have been accounted for after a tornado ravaged a small town in northwest Texas, killing four people and injuring 10 Wednesday night, officials said. The search, however, continues as crews look for possible visitors or drivers who were in the area when

By Elizabeth Wolfe and Robert Shackelford, CNN (CNN) — Tropical Storm Bret continued to strike eastern Caribbean islands early Friday, pelting the region with stiff winds and heavy rain that could cause flooding and dangerous surf. Bret, earlier packing near-hurricane-force sustained winds of 70 mph, weakened slightly to 60 mph with even higher gusts and

By Jennifer Gray, CNN Meteorologist (CNN) — Tropical Storm Bret again strengthened slightly during the day Wednesday and is forecast to reach the Lesser Antilles on Thursday as a strong tropical storm. Now packing 65 mph winds, the storm is likely already near its peak intensity. “Little change in strength is forecast during the next

By Chris Boyette and Kelly Murray, CNN (CNN) — Following a weekend of devastating storms, hundreds of thousands of customers are without power in areas of the South and Southwest now facing scorching heat. As of Tuesday, more than 38 million Americans are under active extreme heat advisories, watches, and warnings, according to the National

By Kendall Trammell and Judson Jones, CNN (CNN) — There’s a reason these maps are called spaghetti models. Just take a look. There are lines all over the place, like a plate of spaghetti. The simple lines actually come from some of the fastest computers in the world, making billions of computations. Also known as

By Jennifer Gray, CNN meteorologist (CNN) — People in the South are storm weary. I’ve heard it from friends and family in my home state of Louisiana, where storms have hit exceptionally hard, and the damage extends much further. Six tornadoes were reported in Mississippi alone in the last 24 hours, and strong storms are

By Nouran Salahieh and Rob Shackelford, CNN (CNN) — At least one person was killed and nearly two dozen injured in storms that swept through Mississippi on Sunday night, and more than 50 million across the Southeast face the threat of more severe weather, including tornadoes, on Monday. A storm system spawned a reported tornado

By Gene Norman, Nouran Salahieh and Eric Levenson, CNN (CNN) — About 43 million people across the southern United States are at risk for severe weather Sunday night as storms batter the Lower Mississippi Valley and central Gulf Coast states, bringing the threat of heavy rain, hail and damaging winds. There is an enhanced risk

By Aya Elamroussi, Dave Alsup, Melissa Alonso and Mallika Kallingal, CNN (CNN) — A heightened risk of severe weather is expected across a large swath of the southern United States on Saturday and Sunday – days after storms cut a deadly path across Texas, Florida and Mississippi. The Storm Prediction Center said the enhanced risk

By Jennifer Gray, CNN meteorologist (CNN) — Summer is still a week away and the Lone Star State is already sweltering, as triple-digit heat could lead to more than 75 heat records being broken across Texas this week. The blast of hot weather raises the potential for record energy usage, according to ERCOT, the council

By Jennifer Gray, Dave Alsup and Sara Smart, CNN (CNN) — The state of Texas as well as cities and counties surrounding the Panhandle town of Perryton are sending aid after a deadly tornado ripped through the area Thursday afternoon. At least three people have died, Perryton Fire Department Chief Paul Dutcher told CNN Thursday

By Sara Smart, Taylor Ward and Aya Elamroussi, CNN (CNN) — Thick plumes of smoke from dozens of wildfires raging in Ontario, Canada, are billowing across the US border, compromising the air quality for millions of residents in Wisconsin, Minnesota and Iowa. “Smoky skies and poor air quality will continue through Thursday,” the National Weather

By Caitlin Kaiser, CNN (CNN) — More than 60 million people from Colorado to the Carolinas are under threat for severe storms Sunday, including heavy rain, hail and tornadoes, with the lower Mississippi and Tennessee valleys at greatest threat. Multiple rounds of severe thunderstorms could hit the region this afternoon and evening, according to the