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By Elizabeth Wolfe and Caitlin Kaiser, CNN (CNN) — More than 85 million people remained under heat alerts Saturday as the weekslong heat wave continues and intensifies in the Southwest. Dangerously high temperatures will continue to plague the Western United States throughout the weekend, with temperatures growing hotter in the South early next week. “Daytime
Continue ReadingBy Emma Tucker, CNN (CNN) — A derecho is a significant, potentially destructive weather event that is characterized as having widespread, long-lived, straight-line winds associated with a fast-moving group of severe thunderstorms. Here’s what you need to know about derechos: They can produce hurricane-force winds While there’s no official or universal definition for a derecho,
Continue ReadingBy Brandon Miller, Nick Thompson and Jennifer Gray, CNN (CNN) — El Niño is a climate pattern that originates in the Pacific Ocean along the equator and impacts weather all over the world. Warm water normally is confined to the western Pacific by winds that blow from east to west, pushing it toward Indonesia and
Continue ReadingBy Eric Zerkel, CNN (CNN) — An already dangerous weekslong heat wave will only worsen this weekend as a heat dome intensifies and reaches peak strength over parts of the Western United States. The heat dome is so formidable the National Weather Service in Phoenix called it “one of the strongest high pressure systems this
Continue ReadingBy Jennifer Gray, CNN meteorologist (CNN) — Phoenix is supposed to be hot, but the severity of the upcoming heat wave will bring a level of heat that will test even heat-hardy places and do so for longer durations than have ever been observed before. The heat is hitting South Texas, South Florida and the
Continue ReadingCNN By Jennifer Gray, CNN meteorologist (CNN) — A dire and potentially catastrophic situation is unfolding across parts of New England and New York, where continuous rounds of heavy rain parked over the region are triggering flash flooding of epic proportions. This system has already proven impressive and deadly. Nearly 8 inches of rain fell
Continue ReadingBy Jennifer Gray, CNN meteorologist (CNN) — A dire and potentially catastrophic situation is unfolding across parts of New England and New York, where continuous rounds of heavy rain parked over the region are triggering flash flooding of epic proportions. This system has already proven impressive and deadly. Nearly 8 inches of rain fell in
Continue ReadingBy Lauren Mascarenhas, Nouran Salahieh and Paradise Afshar, CNN (CNN) — Intense rain and flash flooding that left at least one dead in southeastern New York continued to pelt the Northeast on Monday, forcing residents from their homes and prompting road closures and water rescues. Over 9 million people are under flood alerts across the
Continue ReadingBy Dave Alsup, CNN (CNN) — Clean-up efforts are underway at Yellowstone National Park in Wyoming after a major windstorm blew across the southern portion of the park Monday, knocking down hundreds of trees, park officials said. Strong winds and rain bombarded the park’s Lake Village area, though no serious injuries have been reported, according
Continue ReadingBy Jennifer Gray, CNN meteorologist (CNN) — Severe storms and record heat pose serious risks for the Fourth of July holiday, so don’t be surprised if the forecast forces a celebration backup plan. While the record heat might be easing in the South, it’s building elsewhere. And the storm threat isn’t taking a holiday as
Continue ReadingBy Joe Sutton, Gene Norman, Zoe Sottile and Rob Shackelford, CNN (CNN) — Over 80 million people are under severe storm threat from northern Mississippi to Massachusetts Monday ahead of the Fourth of July – threatening more damaging wind gusts, power outages, large hail and possible tornadoes. A slight risk for severe storms, level 2
Continue ReadingBy Allison Chinchar, CNN Meteorologist (CNN) — Mother Nature will threaten Fourth of July travel and holiday plans as severe storms, record heat and wildfire smoke converge on one of the busiest travel weekends of the year. AAA projects more than 50 million people will take to the roads or skies over the next few
Continue ReadingBy Rachel Ramirez, CNN (CNN) — Summers are getting hotter than ever, shattering all-time high temperature records, straining the energy grid and damaging critical infrastructure. Heat waves also are coming to include another increasingly dangerous element: overnight temperatures that don’t cool down enough to offer sufficient reprieve from oppressive heat, particularly for people without access
Continue ReadingBy Taylor Ward and Monica Garrett, CNN (CNN) — A heat wave in parts of the South and Mississippi Valley is peaking and a new one is building in the West on Friday, putting more than 70 million people in those areas under heat alerts ahead of the holiday weekend. More dangerous severe thunderstorms and
Continue ReadingBy Aya Elamroussi, CNN and Taylor Ward, CNN Meteorologist (CNN) — More than 100 million people are under air quality alerts Friday morning from Wisconsin to Vermont and down to North Carolina as smoke from Canadian wildfires continues to waft south, though conditions are expected to improve slowly into the holiday weekend. Storms Thursday brought
Continue ReadingBy Angela Fritz, CNN (CNN) — A powerful thunderstorm complex was racing across the Midwest Thursday afternoon, blowing through the harmful smoke from Canada’s wildfires and clearing the air in its wake. The storm – referred to as a bow echo because of its arc-like appearance on radar – has a history of producing wind
Continue ReadingBy Jennifer Gray, CNN meteorologist (CNN) — A deadly heat wave will worsen in parts of the South today, but relief from the most extreme, record-breaking temperatures arrives in Texas and is on the horizon elsewhere. Parts of Texas have baked in triple-digit heat for more than two weeks, but today is the first day
Continue ReadingBy Jennifer Gray, Lauren Mascarenhas and Amy Simonson, CNN (CNN) — Eleven people have died due to heat-related illnesses in Webb County, Texas, the county medical examiner said, as an unrelenting heat wave put 90 million Americans under safety alerts Wednesday. “I come to you with a heavy heart this morning. In the last eight
Continue ReadingBy Rachel Ramirez, CNN (CNN) — A brutal heat wave is expanding across Texas and the South this week, impacting millions of Americans with triple-digit temperatures and extreme humidity that is cranking up the heat index, making it feel hotter than 110 degrees in some of the region’s most populous cities. But forecasters are warning
Continue ReadingBy Nouran Salahieh and Taylor Ward, CNN (CNN) — More than 55 million people from southern Arizona to the Florida coast are sweltering under a worsening heat wave that is expected to expand its reach this week, bringing more dangerous triple-digit temperatures. Excessive heat warnings, the highest criteria of heat alerts, include Dallas, New Orleans
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