cnn-weather/environment

By Drew Kann, CNN The falling water levels at Lake Powell, the second-largest man-made reservoir in the US, could make the dam’s hydroelectric power generation impossible as soon as next year, according to new projections released Wednesday by the US Bureau of Reclamation. The new modeling shows a 3% chance that Lake Powell, which is

By Pedram Javaheri, CNN Cooler weather is landing right on cue for the first day of autumn. But first, the system delivering the cooler temps will soak the eastern third of the country, bring strong winds and 10 to 18-foot waves on some of the Great Lakes. A strong storm system is forecast to develop

By Aya Elamroussi, CNN California firefighters have made significant headway in taming one of the largest blazes in the history of the wildfire-prone state, but heat and wind are likely to persist, challenging those on the front lines of multiple fires. The Dixie Fire — the second largest in California’s history — is 94% contained

By Jackson Dill and Dakin Andone, CNN Northern California is bracing for critical fire weather conditions as firefighters struggle to contain at least 10 large wildfires burning across the state. A level two of three critical risk for fire weather is in effect through Monday night for a large portion of California, stretching from Redding

By Hannah Gard, CNN Weather This year’s busy tropical season continues as more activity ramps up in the Atlantic. Tropical Depression Seventeen intensified into Tropical Storm Rose Sunday afternoon, about 370 miles west of the Cabo Verde Islands, says the National Hurricane Center. The other active storm currently in the Atlantic basin is Tropical Storm

By Allison Chinchar, CNN Meteorologist The second half of hurricane season is here and there have already been 17 named storms to keep hurricane hunters busy. But have you ever noticed hurricane hunters’ flight patterns shown by meteorologists on TV look like random, odd shapes? Those flight patterns may look like boxes or stars, but

By Derek Van Dam and Haley Brink, CNN Meteorologists On a warm September afternoon, Mona Scott sat on the front porch while her home baked like an oven. As she ran a frozen water bottle across her forehead and arms, Scott told CNN her air conditioning broke 10 days earlier and had not yet been

By Jennifer Gray, CNN meteorologist Nearly 20 fires are currently burning in Washington and Oregon, but a little relief could be coming soon in the form of rain. An atmospheric river event is taking shape, which will bring lots of moisture and rain to the region. An atmospheric river is a plume of moisture that

By Aya Elamroussi, CNN Millions are under flash flood watches Thursday as Post-Tropical Cyclone Nicholas lingers over the central Gulf Coast, threatening to dump even more rain in the upcoming days. Nicholas initially made landfall as a Category 1 hurricane in southern Texas early Tuesday morning, packing 75 mph winds with higher gusts. The storm

By Jason Hanna and Aya Elamroussi, CNN Tropical Depression Nicholas has stalled and is threatening to bring dangerous flash flooding along the central Gulf Coast over the next few days — including in Louisiana, which still is staggering from the devastation of last month’s Hurricane Ida. Nicholas dropped heavy rain Wednesday in parts of Louisiana,

By Rachel Ramirez, CNN Heat already kills more Americans than any other weather-related disaster, according to the National Weather Service — and climate change is making these extreme events even more dangerous. The Northwest’s record-breaking heat wave in June, which scientists say would have been “virtually impossible” without human-caused climate change, for instance, killed hundreds

By Madeline Holcombe, Eric Levenson and Steve Almasy, CNN As Tropical Depression Nicholas ambles across Texas, Houston residents are being asked to stay home Tuesday night and people in Louisiana, including some still trying to recover from Hurricane Ida, are being told to prepare for a lot of rain. Though Nicholas doesn’t pack the high

By Madeline Holcombe and Jackson Dill, CNN Nicholas has strengthened into a hurricane and is threatening to bring heavy rain, storm surges and strong winds to portions of the Texas Coast, the National Hurricane Center said late Monday. Hurricane Nicholas — with wind speeds of 75 miles per hour — was located about 20 miles