cnn-weather/environment

CNN, WCCO, PHILADELPHIA FACEBOOK, WASHINGTON DC FACEBOOK By Mary Gilbert, CNN (CNN) — Millions of trick-or-treaters across the US will be reaching for extra layers, not umbrellas, this Halloween as temperatures fall to “scary” levels for October. Much of the contiguous US will remain dry as people go door-to-door Tuesday evening in search of candy,

By Mary Gilbert, CNN (CNN) — Millions of trick-or-treaters across the US will be reaching for extra layers, not umbrellas, this Halloween as temperatures fall to “scary” levels for October. Much of the contiguous US will remain dry as people go door-to-door Tuesday evening in search of candy, with a couple of exceptions. A storm

By Mary Gilbert, CNN Meteorologist (CNN) — Millions across the US will be reaching for extra layers this Halloween as temperatures fall to “scary” levels for October. A push of bone-chilling air will dive south out of Canada and overspread much of the US by Tuesday, sending temperatures plummeting in its wake, with a few

By Karol Suarez, Ashley R. Williams and Duarte Mendonca, CNN (CNN) — At least 45 people have died after powerful Hurricane Otis tore through southern Mexico’s Guerrero state as a devastating Category 5 storm last week, the region’s governor said Sunday. At least 47 people remain missing, Guerrero Gov. Evelyn Salgado Pineda said in a

By Eric Zerkel, CNN (CNN) — New satellite images capture the scale of destruction Category 5 Hurricane Otis wrought in Acapulco and southern Mexico. Few in history have endured a storm as strong as Otis – Acapulco never has. Its 165-mph winds and stronger gusts were akin to a slow-moving, 30-mile-wide, EF3 tornado. At least

By Abigail Holmes, Sara Tonks, CNN (CNN) — Trick-or-treaters are in for a shock this Halloween as an impressive shot of cold air from Canada plunges into the US and temperatures plummet in its wake. High pressure from Canada will slide into the central US and keep conditions dry for many trick-or-treaters. But it will

By Elizabeth Wolfe and Mary Gilbert, CNN (CNN) — At least 27 people are dead and Acapulco, Mexico, has been left in ruins after Hurricane Otis slammed into the coast Wednesday as a record-breaking Category 5 storm. Four people are also missing, Mexican Security Minister Rosa Icela Rodriguez said during a news conference on Thursday

By Rachel Ramirez, CNN (CNN) — The rapid intensification Hurricane Otis underwent in the hours before it slammed into southern Mexico is a symptom of the human-caused climate crisis, scientists say – and one that is becoming more frequent. When it happens right before landfall, as it did with Otis, it can catch coastal communities

By Mary Gilbert, CNN Meteorologist (CNN) — California’s Death Valley is the hottest place in the world and the driest place in North America. But two months after Hurricane Hilary’s epic rainfall, parts of the national park look more oasis than desert. Parched ground turned to ponds, wildflowers are in bloom in remote areas and

By Elizabeth Wolfe, Aya Elamroussi, Robert Shackelford and Mary Gilbert, CNN (CNN) — Hurricane Otis knocked out all communications and unleashed a “nightmare scenario” in Acapulco in southern Mexico on Wednesday morning. Tracking over the incredibly warm ocean water near the coast, the storm rapidly intensified just before landfall and gave officials and residents little

By Mary Gilbert, CNN Meteorologist (CNN) — The first significant snowfall of the season is on the way for the northwestern US and parts of the Northern Plains, and by the time the last flake falls, many high elevation areas will be buried in more than a foot of fresh snow. A surge of cold

By Jason Hanna and Allison Chinchar, CNN (CNN) — Norma weakened to tropical storm strength Saturday after bringing hurricane-force winds, flash flooding and storm surge to Mexico’s Pacific coast. Meanwhile, another late-season storm continued to threaten island nations in the Atlantic. Norma made landfall as a Category 1 hurricane with winds of 80 mph over

By Allison Chinchar, CNN Meteorologist (CNN) — Two hurricanes will strike land this weekend by two different ocean basins – Tammy in the Atlantic and Norma in the eastern Pacific. Neither are a threat to the US, but Norma has triggered hurricane warnings for Mexico, including the popular resort town of Cabo San Lucas, and

By Mary Gilbert, CNN Meteorologist (CNN) — Saturday’s ring of fire annular solar eclipse will alter weather conditions on the Earth’s surface as it plays out in the sky. Changes to temperature, wind speed and humidity occur as the moon crosses in front of the sun during a solar eclipse and casts a shadow on

By Mary Gilbert and Robert Shackelford, CNN (CNN) — A powerful storm will traverse nearly 1,500 miles of the US through the weekend and unload snow, severe thunderstorms and flooding rain along its path, culminating in the eighth consecutive dreary weekend in parts of the Northeast. The storm will dump the first significant snow of

By Eric Zerkel and Allison Chinchar, CNN (CNN) — At least one tornado damaged homes, cars and businesses in Florida as severe weather hit the state Thursday. A likely tornado damaged at least two homes in Clearwater Beach after it roared ashore early Thursday morning. No one was injured, Clearwater police said, but photos from