CNN-Weather/Environment

By Meteorologist Tyler Ory and Sam Hart (CNN) — This year’s potentially record-setting El Niño is expected to shape winter weather and snowfall across the US. A new CNN Weather analysis shows how snowfall has changed during El Niño winters, offering clues as to what to expect this season.El Niño is a natural climate pattern

By Meteorologists Mary Gilbert, Chris Dolce (CNN) — Subtropical Storm Josephine is starting to accelerate away from the Eastern Seaboard where it continues be a nuisance along the coast.The storm is 195 miles southeast of Nantucket Island, Massachusetts, and has 65 mph sustained winds as of Thursday morning, according to the National Hurricane Center.Some strengthening

By Andrew Freedman, CNN (CNN) — The Trump administration’s cuts to weather satellites will set the country back nearly a decade, experts say. The loss of data used to observe, forecast and research extreme weather could prevent the country from making major advances in weather prediction in the coming years.This finding comes from a new

By Meteorologists Mary Gilbert, Tyler Ory, CNN (CNN) — Strong winds, pounding seas and coastal flood threats will be near-constant companions for parts of North Carolina up through the Chesapeake Bay area this weekend as a nor’easter that’s expected to linger well into next week starts to take shape.This budding storm will not follow in

By Eduardo Cuevas and Meteorologist Tyler Ory (CNN) — A fast-moving wildfire in Southern California quickly consumed hundreds of acres and burned multiple homes after sparking in Orange County Friday, county officials said.The Norte Fire began around noon near a neighborhood in the San Clemente and San Juan Capistrano areas and by Friday evening had

By Andrew Freedman, Mary Gilbert, CNN (CNN) — This winter is set to feature numerous strong storms affecting the West Coast and southern half of the country, according to the official winter outlook released Thursday by the National Oceanic and Atmospheric Administration. The outlook is dominated by the influence of the near-record strong El Niño

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 Andrew Freedman, CNN (CNN) — From the time Hurricane Isaias first formed, meteorologists at the National Hurricane Center made a big bet. They shaped their predictions to closely match an AI hurricane model developed by Google DeepMind, rather than leaning on the classic physics-based models many Americans are more familiar with, such as the

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

WRDE-LD 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.

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 Meteorologists Mary Gilbert, Chris Dolce (CNN) — Coastal flooding and gusty winds are underway on the Mid-Atlantic coast from a developing nor’easter that will also hit parts of New England and the Northeast with coastal flooding, wind and rain through the weekend.⛈️ ️In the areas at risk? Track the storm, find out your local

By Kate S. Petersen, Andrew Freedman, CNN (CNN) — Gov. Gavin Newsom on Monday declared a state of emergency for California to mobilize resources ahead of a potentially historic super El Niño storm season this winter.California is likely to be an epicenter for this historically intense El Niño in the US. Strong El Niño events,

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