CNN-Weather/Environment

By Meteorologist Mary Gilbert, CNN (CNN) — The atmosphere’s attempts to make it feel actually like fall across much of the United States have been repeatedly thwarted in recent weeks, but that’s about to change in a major way.Temperatures will plummet to their lowest levels since spring for many east of the Rockies later this

By Sam Hart and Andrew Freedman, CNN (CNN) — A potentially record-shattering El Niño is underway, and we’re already seeing its effects. From wildfires in Indonesia to an unusually active tropical cyclone season in the Pacific, the phenomenon has a cascading effect on global weather patterns that will peak during the upcoming winter. On Thursday

By Meteorologists Dakota Smith, Briana Waxman, Chris Dolce, CNN (CNN) — Isaias has rapidly intensified into the Atlantic season’s first hurricane, putting the northern Gulf Coast on alert for dangerous storm surge, damaging winds and flooding rain ahead of an expected landfall late Friday or early Saturday.Hurricane hunter aircraft confirmed late Wednesday that Isaias had

By Meteorologists Chris Dolce, Mary Gilbert and Dakota Smith (CNN) — Tropical Depression Nine has formed in the southwestern Gulf and is forecast to become a hurricane, potentially bringing significant flooding rain and strong winds to parts of the northern Gulf Coast and South late this week.The system is expected to become Tropical Storm Isaias

By Meteorologist Chris Dolce, CNN (CNN) — The Atlantic Ocean has failed to produce a hurricane in the month of September for the first time in more than 30 years, the latest feat by a super El Niño widely predicted to become the strongest ever.Only three other Septembers have gone hurricane-free in the Atlantic in

By Mary Gilbert, Chris Dolce, Dakota Smith, Kate S. Petersen, Isa Mudannayake, CNN (CNN) — Heavy rain from Hurricane Nolo is ramping up in southern Hawaii, the islands’ third dangerous brush with a hurricane in just six weeks. Potentially life-threatening flooding and mudslides are again possible as the state contends with a Pacific tropical season

By Meteorologists Mary Gilbert, Chris Dolce, Dakota Smith (CNN) — An intensifying early season nor’easter has arrived in the Northeast and is set to deliver a prolonged stretch of strong wind, soaking rain and coastal flooding to the region through the weekend.More than 40 million people will feel the storm’s impact through Sunday. Areas from

By Meteorologists Mary Gilbert, Chris Dolce, and CNN’s Kate S. Petersen (CNN) — Hawaii will once again face potentially life-threatening flooding and mudslides as Tropical Storm Nolo starts to strengthen and edge closer to the state’s eastern islands.The Big Island will see the worst of Nolo’s impacts when it makes its closest approach as a

By Meteorologist Chris Dolce, CNN (CNN) — Hurricane Polo weakened to a strong Category 4 off Mexico’s Pacific coast after undergoing extreme rapid intensification and hitting rare Category 5 status on Tuesday.⛈️ Check your local forecast and learn more about hurricanes in the CNN Weather appPolo strengthened into a Category 5 with 160 mph winds

By Meteorologists Tyler Ory, Briana Waxman, Chris Dolce (CNN) — Unusually potent storms triggered flash floods across the normally arid Southwest that killed at least three people and forced water rescues.🌧️ Get your local forecast from the CNN Weather appThe storms dropped more than a month’s worth of rain in just a few hours north

By Meteorologist Mary Gilbert, CNN (CNN) — An already-strong El Niño just turned super as the phenomenon crosses into unprecedented territory.The natural climate cycle has been strengthening at a breakneck pace since it was first declared in June and is stronger now than it’s ever been on this date. And isn’t done bulking up yet.☀️

By Meteorologist Tyler Ory, CNN (CNN) — A blast of fall-like weather is coming to the Midwest and Northeast early this week as summer’s grip begins to loosen across the country.A pool of cold, dry air pushed into the Northern Plains and Upper Midwest Saturday night and will sweep through Chicago, Detroit and the rest

By Meteorologist Chris Dolce, CNN (CNN) — No hurricanes have formed in the Atlantic Ocean 103 days into the season, a new record-long wait driven by a beast of an El Niño strangling fledgling storms.Until today, September 11 was the date of the latest first hurricanes — Gustav (2002) and Humberto (2013). Or at least,

By Meteorologists Tyler Ory, Mary Gilbert, Briana Waxman, Chris Dolce and CNN’s Kate S. Petersen and Julianna Bragg (CNN) — Hurricane Lowell has had a “devastating” impact on Hawaii after sweeping past the state’s islands, leaving at least one person dead, damaging homes and knocking out power to tens of thousands, according to Gov. Josh

By Meteorologists Mary Gilbert, Briana Waxman (CNN) — Another stormy stretch is underway in the Northeast, renewing flooding and storm damage concerns for a region that’s endured several bouts in recent weeks.The latest unsettled stretch began Sunday, bringing repeated rounds of rain and storms with little reprieve between them.⛈️ Get your local forecast in the

By Laura Paddison, Angela Fritz, Ivana Kottasová, CNN (CNN) — Scientists investigating the cause of the devastating flash floods that tore through the Nepal-China border on Wednesday — swallowing towns, roads and bridges and causing significant loss of life — are zeroing in on the theory that the disaster was triggered by a huge glacier

By Meteorologists Tyler Ory, Briana Waxman (CNN) — Tropical Depression Moke is passing well south of Hawaii after weakening Sunday evening, but flooding rainfall is still possible on Monday.Moke is the state’s second tropical threat in a week following Hurricane Lala’s deadly blow to the islands. But Moke has been far less impactful than Lala

By Meteorologists Tyler Ory, Mary Gilbert, and CNN’s Kate S. Petersen (CNN) — Hawaii is eyeing a new tropical threat less than a week after the deadly Hurricane Lala tore through parts of the islands.Tropical Storm Moke is swirling about 450 miles southeast of the eastern coast of the Big Island, according to the National