CNN-weather/environment

By Aya Elamroussi and Eric Zerkel, CNN (CNN) — Heat is intensifying for millions of people in the Northeast and mid-Atlantic Thursday, creating a “heat health emergency” as nearly half of the country bakes in dangerously high temperatures. Around 150 million people from coast to coast are under heat alerts Thursday after extreme heat expanded

By Elizabeth Wolfe and Joe Sutton, CNN (CNN) — Smoke from more than 1,000 wildfires burning across Canada has wafted over the northern US, bringing poor air quality and pollution that threaten residents’ health to northern US cities including Chicago, Illinois, and Minneapolis, Minnesota. Chicago, Minneapolis and Detroit, Michigan, were ranked among the most polluted

WRAL, JACOB PITCHFORD, MATTHEW MASHBURN, BRIAN BENDER, GOOGLE EARTH, CNN, Matthew Mashburn/Brian Bender By Eric Zerkel, CNN (CNN) — A tornado in North Carolina severely damaged a Pfizer plant, damaged several other structures, shut down a major interstate and injured at least 16 people Wednesday afternoon. The tornado was on the ground for 16.5 miles,

By Sara Smart and Caroll Alvarado, CNN (CNN) — Kentucky’s governor declared an emergency Wednesday after heavy – and potentially record-setting – rain caused widespread flooding throughout the state. The western town of Mayfield saw 11.28 inches of rain from early Wednesday to 1 p.m., the National Weather Service in Paducah said. If verified, that

By Eric Zerkel, CNN (CNN) — A tornado in North Carolina severely damaged a Pfizer plant, damaged several other structures, shut down a major interstate and injured at least 16 people Wednesday afternoon. The tornado was on the ground for 16.5 miles, lasting about 30 minutes, and produced peak winds of 150 mph, an EF-3

By Robert Shackelford and Aya Elamroussi, CNN (CNN) — Tropical Storm Calvin was bringing heavy rain to Hawaii’s Big Island on Wednesday. Packing winds of 45 mph, Calvin was about 205 miles southwest of Hilo on Wednesday morning, according to an update from the National Hurricane Center. The storm is delivering strong winds and heavy

By Jennifer Gray, CNN meteorologist (CNN) — As the unrelenting heat wave in the US enters its 39th consecutive day, millions of people from California to Florida are asking: When will it end? The long-term forecast looks bleak. The extreme heat could continue into August in some of the hardest-hit areas and even a brief

By Nouran Salahieh and Laura Studley, CNN (CNN) — Phoenix once again hit 110 degrees Monday for a record-tying 18th consecutive day at that temperature or higher as the Southwest sizzles under a deadly, unrelenting heat wave. The record is expected to be broken Tuesday as the streak continues, with temperatures of at least 115

By Paula Newton, CNN Chibougamau, Quebec (CNN) — By the time the Silver State Hotshot crew arrived from Nevada a few weeks ago, Canada’s wildfires had already scorched millions of acres and shattered all-time burning records. So everyone already knew what they were up against. “In the scope for us, in the states, this would

CNN, CBC NEWS, CTV NETWORK By Paula Newton, CNN Chibougamau, Quebec (CNN) — By the time the Silver State Hotshot crew arrived from Nevada a few weeks ago, Canada’s wildfires had already scorched millions of acres and shattered all-time burning records. So everyone already knew what they were up against. “In the scope for us,

By Nouran Salahieh, Danny Freeman and Holly Yan, CNN (CNN) — Authorities have identified the two children still missing nearly two days after they were swept away by turbulent floodwaters that killed their mother. Matilda “Mattie” Sheils, 2, and her 9-month-old brother, Conrad Sheils, vanished after intense flooding engulfed parts of southeast Pennsylvania on Saturday

By Caitlin Kaiser, CNN (CNN) — Canadian wildfire smoke is bringing unhealthy air across the northern tier of the United States to start the week, triggering air quality alerts for more than a dozen states from Montana to Vermont. Forecasters predicted around 70 million people would see decreased visibility and poor air quality, including residents

By Christina Maxouris, Lauren Mascarenhas, Melissa Alonso and Caitlin Kaiser, CNN (CNN) — Authorities in southeastern Pennsylvania are searching for a 2-year-old girl and her 9-month-old brother who vanished in raging floodwaters as a violent storm slammed the region. The children and their family, who were visiting from Charleston, South Carolina, were driving to a

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

By 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,

By 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