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CNN-Weather/Environment

A tornado spins up in Lucerne

Storm threat shifts into the East after tornadoes, winds kill multiple people and level homes in the central US

CNN, NETWORK VIDEO PRODUCTIONS, WBBM, @JACKTHECHASER, X, CAYLYN CASS, KIM HASSEN, KCCI By Meteorologists Mary Gilbert, Chris Dolce, and CNN’s Kate S. Petersen (CNN) — A destructive and deadly weeklong stretch of storms and tornadoes in the central US has finally ended, but more dangerous weather battered much of the East on Friday. The final

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Atlanta metro downpour leads to massive fish kill on the Chattahoochee River

Kate S. Petersen (CNN) — A massive fish kill on the Chattahoochee River west of Atlanta was reported Friday by environmental protection non-profit, Chattahoochee Riverkeeper. Chattahoochee Riverkeeper executive director Jason Ulseth told CNN he discovered the dead fish when he embarked on a river patrol Friday morning. Ulseth estimates thousands of fish, some weighing 20

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A tornado is pictured near Enid

Pattern shift brings back-to-back days of severe weather threats to central US

CNN, WTLV, GEORGIA FORESTRY COMMISSION, RAIGAN BULLARD, ASHLEIGH ANDERSON, ENID BUZZ, ERICA RICH, TRAVIS HOWERTON By Meteorologists Mary Gilbert, Briana Waxman, and CNN’s Martin Goillandeau, Holly Yan (CNN) — More severe weather is expected in the central United States on Saturday after multiple tornadoes roared through the region earlier in the week, including a violent

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Storm-weary central US braces for one more day of possibly severe weather after tornado outbreak

By Meteorologists Dakota Smith, Briana Waxman, Allison Chinchar and CNN’s Taylor Romine, CNN (CNN) — Multiple destructive twisters struck the central US on Friday afternoon during a tornado outbreak that capped a weeklong stretch of severe storms in the region. A lower severe weather threat remains possible Saturday as the same cold front pushes east.

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A fallen tree lies on a vehicle South 20th Street just north of West Greenfield Avenue in Milwaukee

More dangerous storms loom for the central US as parts of the region also grapple with historic flooding

CNN, KARE, KMBC, WBAY, WLUK, SPIRIT APOTHEOSIS, BRITNEY REESE, CLARISSA KNECHTEL, RUDY PABELICK, SCOTT KROEPEL By CNN Meteorologists Briana Waxman, Dakota Smith and CNN’s Kate S. Petersen (CNN) — A final round of widespread dangerous severe storms headed for the central US Friday could cause more destruction and bring more rain to parts of the

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Tornado threat ramps up across central US a day after destructive tornadoes in Kansas

By Meteorologists Chris Dolce, Briana Waxman and CNN’s Hanna Park, Kate Petersen (CNN) — A week of severe storm threats across the central US started with a bang Monday, with multiple tornadoes demolishing buildings in Kansas, heavy rain stranding vehicles on flooded streets in Wisconsin and baseball-sized hail battering parts of three states. Tuesday has

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What is a severe thunderstorm?

By Meteorologist Chris Dolce, CNN (CNN) — Harsh weather of all kinds is often called severe, but the word takes on a very specific meaning when it comes to thunderstorms. About 100,000 thunderstorms rumble across the United States each year, but just 10% intensify into a severe thunderstorm, according to the National Oceanic and Atmospheric

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Emergency planners around the country are about to lose access to a critical hurricane evacuation planning tool

By Andrew Freedman, CNN (CNN) — The hurricane planning tool that meteorologists and emergency managers use for making critical decisions, including ordering evacuations, is about to become inaccessible for an indefinite period following the lapse of the federal contract governing it. The web-based tool, known as HURREVAC, is owned and paid for by FEMA ,

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A massive

Sprawling storm drops feet of snow, knocks out power with high winds and disrupts thousands of flights

CNN, WLUK, WBAY, WCCO, SHERIFF PATRICK DEAN LAUGHERY , HARDEMAN COUNTY SHERIFF’S OFFICE, @PATRICIARYEAGER , X, Sheriff Patrick Dean Laughery / Hardeman County Sheriff’s Office, @PatriciaRYeager / X By Meteorologists Mary Gilbert, Briana Waxman, and Chris Dolce, and Chris Boyette (CNN) — A sprawling, wind-driven multiday storm roared across the United States with severe thunderstorms

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A massive

Sprawling storm drops feet of snow, knocks out power with high winds and disrupts thousands of flights

By Meteorologists Mary Gilbert, Briana Waxman, and Chris Dolce, and Chris Boyette (CNN) — A sprawling, wind-driven multiday storm roared across the United States with severe thunderstorms to the south and blizzard conditions to the north, causing damage and disruptions along its path. The system kicked up a powerful line of storms with winds up

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The setup for powerful storm in the central US late Tuesday afternoon into the evening.

At least 2 people killed as dangerous storms tear through central US with tornadoes and huge hail

By CNN meteorologists Mary Gilbert, Chris Dolce, Briana Waxman and CNN’s Hanna Park, CNN (CNN) — A rash of ferocious storms ripped across the central US overnight, spawning tornadoes and killing at least two people. The two deaths were reported in northwest Indiana, a spokesperson for the Lake Village Volunteer Fire Department said Wednesday. “Right

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Supercell thunderstorms, explained

By CNN Meteorologist Mary Gilbert (CNN) — Supercell thunderstorms are dangerous severe storms that unleash destructive hail, roaring winds and powerful tornadoes. They are responsible for nearly all of the United States’ most violent tornadoes and the largest hailstones. Here’s what makes them so potent. Thunderstorms 101 Thunderstorms need moisture, energy — which meteorologists call

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Power outages, travel troubles and bitter cold plague Northeast in wake of historic bomb cyclone blizzard

CNN By Danya Gainor, Chris Boyette, CNN (CNN) — Thousands in the Northeast remained without power amid freezing temperatures Tuesday as people from that region and the mid-Atlantic dug out from extreme snowfall — including more than 2 feet in several states — from the previous two days and faced continuing travel disruptions including hundreds

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Power outages, travel troubles and bitter cold plague Northeast in wake of historic bomb cyclone blizzard

By Danya Gainor, Chris Boyette, CNN (CNN) — Thousands in the Northeast remained without power amid freezing temperatures Tuesday as people from that region and the mid-Atlantic dug out from extreme snowfall — including more than 2 feet in several states — from the previous two days and faced continuing travel disruptions including hundreds of

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Zohran Mamdani bans most travel across NYC due to blizzard — and gives in on a snow day for students

By Katherine Koretski (CNN) — New York City Mayor Zohran Mamdani banned most travel across the nation’s largest city from 9 p.m. Sunday through noon Monday, an extraordinary measure reflecting the test a historic blizzard hitting the region poses. Mamdani also canceled classes for the city’s public schools on Monday with no remote learning. The

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The strongest winds are expected Tuesday afternoon in the darkest red shadings over the High Plains.

4 dead in 30-vehicle pileup in Colorado as powerful winds slam Plains, fueling multiple wildfires

By CNN Meteorologists Chris Dolce, Briana Waxman (CNN) — At least four people are dead in a multi-vehicle pileup in Colorado and multiple fires are breaking out across the Plains as powerful winds wreak havoc across the region, forcing thousands to evacuate. The pileup on Interstate 25 south of Pueblo, Colorado, involving over 30 vehicles,

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A crew member looks at a laptop inside a NOAA WP-3D Orion Hurricane Hunter research plane at the National Oceanic and Atmospheric Administration's (NOAA)  in Lakeland

Trump admin is pulling supercomputers out of key weather and climate research center

By Andrew Freedman, CNN (CNN) — A leading American research lab is slated to lose its critical supercomputing facility, according to a letter released Thursday by the National Science Foundation. The move is part of the Trump administration’s effort to disassemble the National Center for Atmospheric Research in Boulder, one of the world’s top weather

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Data runs from December 1

It’s been a brutal winter, but now it’s prime time for blockbuster Northeast storms

By Meteorologist Mary Gilbert (CNN) — It’s already been a brutally cold and snowy winter for the northeastern US, but what’s typically the region’s snowiest month is just getting started. Impactful Northeast snowstorms, many of which are powerful nor’easters, occur most often in February, according to data from the National Oceanic and Atmospheric Administration. That’s

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Bomb cyclone will bring heavy snow and hurricane-force winds to the Southeast. Coastal New England could be in its path, too

By CNN Meteorologist Briana Waxman (CNN) — A rapidly strengthening coastal storm is expected to develop this weekend and bring heavy snow, strong winds and coastal flooding to the Southeast amid an outbreak of deadly cold temperatures. As the storm moves north, southeast New England is currently in the bull’s-eye, but its exact path is

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A rapidly strengthening storm is expected to develop off the Southeast coast this weekend amid a deadly cold outbreak

Bomb cyclone will bring heavy snow and hurricane-force winds to the Southeast. Coastal New England could be in its path, too

CNN, WUSA, ACCUWEATHER, INC., WTVA, WABC By CNN Meteorologist Briana Waxman (CNN) — A rapidly strengthening coastal storm is expected to develop this weekend and bring heavy snow, strong winds and coastal flooding to the Southeast amid an outbreak of deadly cold temperatures. As the storm moves north, southeast New England is currently in the

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Ice covers a neighborhood in Austin

Death toll from winter storm and cold rises to over 30 as parts of South could be without power ‘weeks, not days’

By Eric Levenson, Mary Gilbert, CNN (CNN) — This weekend’s winter storm and ensuing bitter cold have left at least 30 people dead and caused prolonged power outages for hundreds of thousands, particularly across the southern US. The damage from ice and cold was most significant in a swath stretching from east Texas through Louisiana,

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Powerful storm disrupts travel with blizzard conditions and tornadoes as winter returns to the US with a vengeance

By CNN Meteorologists Briana Waxman, Chris Dolce (CNN) — A powerful winter storm swept across the central and eastern United States, knocking out power and snarling travel during one of the busiest stretches of the holiday season. The wide-ranging storm brought blizzard conditions, strong winds, an ice storm and tornadoes and is being followed by

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‘Dangerous scenario unfolding’ in Southern California from potent storm lashing the entire state

By Meteorologists Mary Gilbert, Chris Dolce, Andrew Freedman, Alaa Elassar, Taylor Romine, CNN (CNN) — A powerful storm carrying a strong atmospheric river laid siege to California over the last several days — setting records in parts of the state — with evacuations orders still ongoing Thursday because of the risk of life-threatening flooding and

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Rare ‘high risk’ for flooding spurs evacuations in Southern California after deadly floods in Northern California

By Karina Tsui, Chris Dolce, Mary Gilbert, CNN (CNN) — An even more potent atmospheric river-fueled storm is on a collision course with California after a first storm triggered deadly flooding and evacuations over the weekend in Northern California. The new storm and another after it are prompting new evacuations in the Los Angeles area’s

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Forecasters warn of ‘particularly dangerous’ fire threat in Colorado and Wyoming with 100 mph wind gusts possible

By Meteorologist Briana Waxman (CNN) — Dangerous fire weather conditions were underway in Colorado and Wyoming’s foothills that had forecasters using the most dire language possible to characterize Friday’s fire threat. “This is a Particularly Dangerous Situation that poses a significant threat to life and property in the event of a wildfire start,” the so-called

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