CNN-weather/environment

By Mary Gilbert, CNN Meteorologist (CNN) — A dramatic change is on the way as a robust cold front delivers the first hefty dose of fall weather by the weekend, sending temperatures tumbling by as much as 35 degrees. The cooldown is welcome news for millions in the South that have endured a brutally hot

By Mary Gilbert, CNN Meteorologist (CNN) — Experts fear an already active hurricane season could come to an eventful and exceptional end as unusually warm, storm-boosting ocean temperatures and a slow-to-emerge El Niño combine. The Atlantic season and its 18 named storms has already been above average, according to Phil Klotzbach, a hurricane researcher with

CNN By Eric Zerkel, Mary Gilbert and Aya Elamroussi, CNN (CNN) — Record-setting rain overwhelmed New York City’s sewer system Friday, sending a surge of floodwater coursing through streets and into basements, schools, subways and vehicles throughout the nation’s most populous city. The water rose fast and furious, catching some commuters off guard as they

By Eric Zerkel, Mary Gilbert and Aya Elamroussi, CNN (CNN) — Record-setting rain overwhelmed New York City’s sewer system Friday, sending a surge of floodwater coursing through streets and into basements, schools, subways and vehicles throughout the nation’s most populous city. The water rose fast and furious, catching some commuters off guard as they slogged

By Mary Gilbert, CNN Meteorologist (CNN) — Water levels on the Mississippi River are nearing historic lows for the second consecutive year, triggering a drinking water emergency in Louisiana as ocean water flows upstream, unimpeded by the river’s uncharacteristically weak flow. With no substantial rain in the immediate forecast, levels are expected to drop to

By Mary Gilbert, CNN Meteorologist (CNN) — Fall has only just begun, but it’s not too soon to look ahead to winter, especially since this one may look drastically different than recent years because of El Niño. This winter will be the first in a few years to feel the effects of the phenomenon, which

CNN By Mary Gilbert, CNN Meteorologist (CNN) — Fall has only just begun, but it’s not too soon to look ahead to winter, especially since this one may look drastically different than recent years because of El Niño. This winter will be the first in a few years to feel the effects of the phenomenon,

CNN By Mary Gilbert, CNN Meteorologist (CNN) — Fall has only just begun, but it’s not too soon to look ahead to winter, especially since this one may look drastically different than recent years because of El Niño. This winter will be the first in a few years to feel the effects of the phenomenon,

By Nouran Salahieh, CNN (CNN) — Ophelia, now a post-tropical cyclone, continues to weaken as it moves over the mid-Atlantic Sunday, leaving nearly nine million people from Long Island to Southern Maryland under coastal flood alerts. Areas from eastern Pennsylvania to just south of Long Island could see heavy rainfall Sunday, potentially leading to scattered

CNN By Nouran Salahieh, CNN (CNN) — Ophelia, now a post-tropical cyclone, continues to weaken as it moves over the mid-Atlantic Sunday, leaving nearly nine million people from Long Island to Southern Maryland under coastal flood alerts. Areas from eastern Pennsylvania to just south of Long Island could see heavy rainfall Sunday, potentially leading to

By Aya Elamroussi, Melissa Alonso and Artemis Moshtaghian, CNN (CNN) — Ophelia, now a tropical depression, is impacting parts of the mid-Atlantic after its landfall early Saturday near Emerald Isle, North Carolina, slammed the coast with heavy rain, strong winds and flooding. Here are the storm’s latest impacts: Across North Carolina and Virginia, as many

CNN By Elizabeth Wolfe and Eric Zerkel, CNN (CNN) — Tropical Storm Ophelia has strengthened off the East Coast, Hurricane Hunter data shows, as North Carolina and parts of the mid-Atlantic prepare for a soggy and windy weekend ahead of the storm’s anticipated landfall. The storm, packing maximum sustained winds of 70 mph with higher

By Elizabeth Wolfe and Eric Zerkel, CNN (CNN) — Tropical Storm Ophelia has strengthened off the East Coast, Hurricane Hunter data shows, as North Carolina and parts of the mid-Atlantic prepare for a soggy and windy weekend ahead of the storm’s anticipated landfall. The storm, packing maximum sustained winds of 70 mph with higher gusts,

By Mary Gilbert, CNN Meteorologist (CNN) — A tropical storm warning has been posted for parts of the North Carolina and mid-Atlantic coasts for a developing storm that will bring gusty winds, heavy rain, dangerous rip currents and coastal flooding to areas from Florida to New England as it tracks north near the coast into

By Mary Gilbert, CNN Meteorologist (CNN) — A storm set to form off the Southeast coast late this week will bring gusty winds, heavy rain and hazardous seas from Florida to New England as it tracks northward into the weekend. An area of low pressure is likely to develop off the east coast of Florida

By Nouran Salahieh, CNN (CNN) — The remnants of post-tropical cyclone Lee were moving out over the ocean and away from Atlantic Canada on Monday, after US officials announced at least two deaths due to the storm. Lee, once a powerful hurricane, churned northward with maximum sustained winds of 45 mph on Sunday after making

CNN By Aya Elamroussi, CNN (CNN) — Now a post-tropical cyclone, Lee made landfall on the far western tip of Nova Scotia on Saturday afternoon as it churned 65 mph sustained winds to parts of southeastern New England and Atlantic Canada, according to the National Hurricane Center. The storm made landfall on Long Island in

CNN By Nouran Salahieh, CNN (CNN) — Post-tropical cyclone Lee continues to bring heavy rain, wind and coastal flooding to parts of Canada’s Atlantic provinces on Sunday, knocking out power to tens of thousands, lashing the coasts with big waves and spurring calls to stay indoors. Lee, once a powerful hurricane, is churning maximum sustained