CNN-Weather/Environment

By Allison Chinchar and Sara Tonks, CNN (CNN) — Multiple storm systems could impact Thanksgiving travelers. Two separate systems will impact holiday travelers Saturday – one in New England and the other along the West Coast – both bringing rain and snow and the possibility of travel delays. The system in the East will push

By Mary Gilbert, CNN Meteorologist (CNN) — The 2023 Atlantic hurricane season technically comes to a close in two weeks, but parts of the Atlantic Ocean are still churning. A potential tropical cyclone spun to life on Thursday afternoon and is expected to become a tropical storm on Friday in the Caribbean Sea – the

By Aya Elamroussi and Mary Gilbert, CNN (CNN) — Torrential rain and powerful winds knocked out power across South Florida metro areas and prompted school closures on Thursday. Overnight flash flood warnings expired early Thursday, but South Florida could see periodic light rainfall through the day, particularly along the East Coast. Flood watches that affected millions

By Mary Gilbert, CNN Meteorologist (CNN) — Microplastics are turning up in unusual places increasingly often as they filter into nearly every facet of life on Earth. They’ve been discovered in drinking water, food, air and even in blood. Now, scientists have found that these tiny particles might even be able to influence the weather.

By Mary Gilbert, CNN Meteorologist (CNN) — The Gulf Coast’s most significant rainfall in months will bring much-needed relief this week to portions of the Gulf Coast, helping to alleviate Louisiana’s worst drought on record – one that’s fueled unprecedented wildfires and helped trigger an alarming saltwater intrusion into the Mississippi River. Exceptional drought –

By Mary Gilbert, CNN Meteorologist (CNN) — A major pattern change is set to deliver California’s first atmospheric river of the season next week. Significant rain and snow is in the forecast for the Golden State, while damp, dreary days are ahead for other parts of the West as signs of El Niño’s influence on

By Mary Gilbert, CNN Meteorologist (CNN) — As the US gears up for a winter heavily influenced by the first strong El Niño in years, scientists at the National Oceanic and Atmospheric Administration have released maps that offer insight into where snow could pile up. El Niño – a natural ocean and weather pattern in the tropical

By Robert Shackelford, Laura Paddison, Joseph Ataman and Tara Subramaniam, CNN Paris (CNN) — Storm Ciarán has brought hurricane-strength winds to France, the Channel Islands and southern England, leaving more than a million people without access to electricity and forcing hundreds of schools to close. The storm has claimed at least four lives, two in

By Mary Gilbert, CNN (CNN) — A vegetation fire in California’s Riverside County exploded in size as it was stoked by hot and dry Santa Ana winds, scorching multiple structures and forcing thousands of people to flee their homes. When the fire – dubbed the Highland Fire – was first reported Monday at 12:37 p.m.

CNN, WCCO, PHILADELPHIA FACEBOOK, WASHINGTON DC FACEBOOK By Mary Gilbert, CNN (CNN) — Millions of trick-or-treaters across the US will be reaching for extra layers, not umbrellas, this Halloween as temperatures fall to “scary” levels for October. Much of the contiguous US will remain dry as people go door-to-door Tuesday evening in search of candy,

By Mary Gilbert, CNN (CNN) — Millions of trick-or-treaters across the US will be reaching for extra layers, not umbrellas, this Halloween as temperatures fall to “scary” levels for October. Much of the contiguous US will remain dry as people go door-to-door Tuesday evening in search of candy, with a couple of exceptions. A storm

By Mary Gilbert, CNN Meteorologist (CNN) — Millions across the US will be reaching for extra layers this Halloween as temperatures fall to “scary” levels for October. A push of bone-chilling air will dive south out of Canada and overspread much of the US by Tuesday, sending temperatures plummeting in its wake, with a few

CNN By Mary Gilbert, CNN Meteorologist (CNN) — Millions across the US will be reaching for extra layers this Halloween as temperatures fall to “scary” levels for October. A push of bone-chilling air will dive south out of Canada and overspread much of the US by Tuesday, sending temperatures plummeting in its wake, with a

CNN By Karol Suarez, Ashley R. Williams and Duarte Mendonca, CNN (CNN) — At least 45 people have died after powerful Hurricane Otis tore through southern Mexico’s Guerrero state as a devastating Category 5 storm last week, the region’s governor said Sunday. At least 47 people remain missing, Guerrero Gov. Evelyn Salgado Pineda said in

By Karol Suarez, Ashley R. Williams and Duarte Mendonca, CNN (CNN) — At least 45 people have died after powerful Hurricane Otis tore through southern Mexico’s Guerrero state as a devastating Category 5 storm last week, the region’s governor said Sunday. At least 47 people remain missing, Guerrero Gov. Evelyn Salgado Pineda said in a

By Eric Zerkel, CNN (CNN) — New satellite images capture the scale of destruction Category 5 Hurricane Otis wrought in Acapulco and southern Mexico. Few in history have endured a storm as strong as Otis – Acapulco never has. Its 165-mph winds and stronger gusts were akin to a slow-moving, 30-mile-wide, EF3 tornado. At least

By Abigail Holmes, Sara Tonks, CNN (CNN) — Trick-or-treaters are in for a shock this Halloween as an impressive shot of cold air from Canada plunges into the US and temperatures plummet in its wake. High pressure from Canada will slide into the central US and keep conditions dry for many trick-or-treaters. But it will

By Elizabeth Wolfe and Mary Gilbert, CNN (CNN) — At least 27 people are dead and Acapulco, Mexico, has been left in ruins after Hurricane Otis slammed into the coast Wednesday as a record-breaking Category 5 storm. Four people are also missing, Mexican Security Minister Rosa Icela Rodriguez said during a news conference on Thursday

By Rachel Ramirez, CNN (CNN) — The rapid intensification Hurricane Otis underwent in the hours before it slammed into southern Mexico is a symptom of the human-caused climate crisis, scientists say – and one that is becoming more frequent. When it happens right before landfall, as it did with Otis, it can catch coastal communities

CNN By Rachel Ramirez, CNN (CNN) — The rapid intensification Hurricane Otis underwent in the hours before it slammed into southern Mexico is a symptom of the human-caused climate crisis, scientists say – and one that is becoming more frequent. When it happens right before landfall, as it did with Otis, it can catch coastal