CNN-Weather/Environment

By CNN Meteorologist Mary Gilbert (CNN) — Emerging from their holiday food comas and shuffling toward the nation’s airports and highways, some Americans may discover the biggest holiday indigestion has nothing to do with pie. A potent storm is muscling into the journey home, threatening to upend post-turkey travel. For anyone who postponed their return

By CNN Meteorologist Mary Gilbert, CNN (CNN) — Holiday travelers in the United States avoiding widespread disruptive weather ahead of Thanksgiving might not be so fortunate during their post-holiday journeys. A new storm that will first impact the Pacific Northwest on Thanksgiving night is expected to morph into a full-blown, cross-country storm with the potential

By Andrew Freedman, CNN (CNN) — High above the North Pole, in a slice of atmosphere rarely noticed and even less understood, a transformation is underway. Over the next 10 days, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere. It

KSBW By CNN Meteorologists Briana Waxman, Taylor Ward, Mary Gilbert (CNN) — A strong Pacific storm is bringing soaking rain to Southern California, increasing the risk of life-threatening flooding, mudslides and debris flows, especially near burn scars in the Los Angeles area. Evacuation orders are in effect for “vulnerable properties” within the Palisades, Hurst and

By CNN Meteorologists Briana Waxman and Chris Dolce (CNN) — A powerful burst of energy from the sun streaming past Earth painted the night sky as far south as Florida with stunning northern lights displays overnight Tuesday. The dancing red and green and purple hues were spotted across a vast portion the US and unusually

CNN, WSOC, SPECTRUM NEWS MILWAUKEE, ISAAC DAKOTA CASADOS By CNN Meteorologists Briana Waxman, Chris Dolce (CNN) — Record cold temperatures have pushed as far south as Florida this morning as wind-whipped snow continues to pile up in the eastern Great Lakes from a brief bout of Arctic air gripping the eastern US. More than two

By CNN Meteorologist Mary Gilbert (CNN) — The calendar still says fall, but the atmosphere is skipping ahead to winter as a rush of Arctic air sends more than two dozen states into a brief deep freeze. It all starts this weekend in the Midwest, where temperatures will drop 10 to 20 degrees below average,

By Mary Gilbert, CNN Meteorologist (CNN) — After Melissa moves away from Jamaica, Cuba is next in line for the powerful hurricane’s fury. Landfall is expected very early Wednesday morning, likely a couple hours after midnight, but impacts have already begun. Heavy rain is falling in Cuba with tropical storm-force winds reaching some coastal areas.

CNN By CNN Meteorologist Chris Dolce (CNN) — Melissa rapidly intensified over the weekend and is now a rare Category 5 hurricane with 160 mph winds. The National Hurricane Center expects it to make landfall in Jamaica on Tuesday morning as the strongest hurricane on record to strike the island. The center of the hurricane

By CNN Meteorologist Mary Gilbert (CNN) — Tropical Storm Melissa has formed in the Caribbean Sea, proving this year’s Atlantic hurricane season won’t be wrapping up quietly. The storm could slam the northern Caribbean with pouring rain and strong winds as it strengthens over extremely warm water this week. Melissa’s worst impacts could center on

By CNN’s Hanna Park, CNN Meteorologist Mary Gilbert, CNN (CNN) — Emergency responders in western Alaska are working to help thousands of residents displaced after ferocious, hurricane-force wind gusts from what once was Typhoon Halong tore through remote, coastal communities, unleashed record-breaking storm surge and shoved homes completely off their foundations. At least one person,

CNN, WVEC, WMBF, WTKR, WRDE, SEE PREFONTS By CNN’s Dakin Andone, CNN Meteorologists Linda Lam, Mary Gilbert, Chris Dolce Coastal flooding and wind-whipped rain hit the mid-Atlantic and Northeast coastline Monday as an impactful nor’easter crawled up the East Coast for the third consecutive day before starting to slowly subside overnight. At least three deaths

By CNN Meteorologist Mary Gilbert, CNN (CNN) — A powerful nor’easter is about to bring nasty weather to millions along the East Coast, with fierce winds, drenching rain and dangerous seas expected this weekend into early next week. The storm will drive major coastal flooding and beach erosion alongside the heavy rain and potentially damaging

By CNN Meteorologist Chris Dolce (CNN) — A serious multi-day flood threat is underway in the Southwest as two former tropical systems turn the typically dry desert into a breeding ground for heavy rain. Soaking rainfall began over the region Thursday night as increasingly humid air arrived. Parts of the Phoenix metro had picked up

By CNN Meteorologist Chris Dolce (CNN) — A serious flood threat is on tap for some of the driest areas of the United States as an ailing former Hurricane Priscilla combines with another storm system to create a long-lasting rainfall event. More than an October’s worth of rain could fall within days in some areas

By CNN Meteorologists Briana Waxman, Chris Dolce (CNN) — Tropical Storm Jerry is rushing across the central Atlantic Ocean on Wednesday and is expected to strengthen into a hurricane on Thursday. Jerry, which formed Tuesday, is the 10th named storm of a late-blooming season that has produced three hurricanes in just over two weeks. Tropical

By CNN Meteorologist Mary Gilbert, CNN (CNN) — A rare, monstrous EF5 tornado that struck the United States more than three months ago was the first of its kind in more than a decade, experts announced Monday. A tornado that roared through part of eastern North Dakota in June and killed three people was upgraded

By CNN Meteorologist Chris Dolce (CNN) — A new tropical storm could form in the Atlantic this week and continue the 2025 hurricane season’s backloaded burst of tropical activity. Even though fewer storms tend to form now, in the late-season, history has shown how devastating they can be, particularly since development areas shift closer to

By CNN Meteorologist Chris Dolce (CNN) — Tropical Storm Imelda formed over the Bahamas Sunday afternoon and is expected to intensify into a hurricane, and while its forecast is less ominous for the Southeast coast, the storm will still be felt there. Newly-formed Imelda has maximum sustained winds of 40 mph and is 355 miles

By CNN Meteorologist Mary Gilbert, CNN (CNN) — Hurricanes and other systems don’t often find themselves in a tropical traffic jam in Earth’s vast oceans, but there are consequences when they do get all up in each other’s business. A tropical tango known as the Fujiwhara effect can unfold when two storms move too close

By CNN Meteorologists Derek Van Dam, Briana Waxman, Mary Gilbert (CNN) — Hurricane Gabrielle rapidly intensified in warm water in the central Atlantic far from land Monday morning, becoming the second major hurricane of the 2025 season. Major hurricanes are Category 3 or stronger. Gabrielle is a Category 3 hurricane with 120 mph winds and

By CNN Meteorologists Mary Gilbert, Chris Dolce, CNN Tropical Storm Gabrielle is struggling to organize after it formed Wednesday in the central Atlantic Ocean and put an end to an unusual nearly three-week stretch with no storms during the peak of hurricane season. Gabrielle was churning more than 800 miles from the Caribbean’s northern Leeward

By CNN Meteorologist Briana Waxman (CNN) — Anyone who’s drinking hot pumpkin spice lattes in a chunky sweater may need to rein it in for a little while. The crisp weather many in the United States enjoyed over the last week or two was just a sneak peek of fall: Late summer heat is making