CNN-weather/environment

By Jennifer Gray and Haley Brink, CNN Meteorologists A large winter storm slammed into the western US over the weekend, blanketing mountain areas with heavy snow, and is now set to traverse the nation, threatening dangerous blizzard conditions, strong tornadoes, and flooding this week. “This winter storm is a true coast-to-coast, top-to-bottom impact that will

By Allison Chinchar, CNN Meteorologist An atmospheric river event, bringing ample amounts of moisture to the West this weekend, will gradually move across the country and bring hazardous weather to millions. The blockbuster storm will begin in the West with heavy snow, gusty winds, and coastal flooding, then move eastward, threatening potential blizzard conditions in

CNN By Allison Chinchar, CNN Meteorologist Back-to-back-to-back systems will make their way across the United States over the next few days, with the last — and largest — storm bringing heavy rain, blizzard conditions and the potential for tornadoes. While wintry weather is spreading into the Plains Thursday and will push into the upper Midwest

By Jennifer Gray and Monica Garrett, CNN meteorologists Multiple avalanche warnings are in place across western Colorado through the next couple of days due to favorable avalanche conditions. Meanwhile, a train of winter storms continues across the West, prompting winter weather advisories. Heavy snowfall combined with strong winds is overloading the weak snow near the

By Haley Brink, CNN Meteorologist Several days of heavy rain are forecast across portions of the southern US this week, which could improve persisting drought conditions but also lead to significant flooding. “A prolonged rainfall event is expected across the Mississippi/Tennessee Valleys beginning Monday and extending into the weekend, as multiple waves of rainfall sweep

By Jennifer Gray, CNN meteorologist Two winter storms in less than a week will bring more than a foot of snow to the mountains, wind gusts of over 70 mph leading to the possibility of a wall of dust and the high danger of fire to the central and western US. The winter storm that

CNN By Jennifer Gray, CNN meteorologist Two winter storms in less than a week will bring more than a foot of snow to the mountains, wind gusts of over 70 mph leading to the possibility of a wall of dust and the high danger of fire to the central and western US. The winter storm

By Jennifer Gray, CNN meteorologist As the hurricane season closes, a handful of blockbuster storms made history after an eerily quiet first half of the season gave false hope. “Overall, the season was less active than we anticipated,” said Phil Klotzbach, research scientist at Colorado State University. “We (and most other groups) forecast an above-normal

CNN By Aya Elamroussi, CNN The threat of possible tornadoes, strong winds and hail in parts of Alabama and Mississippi persisted early Wednesday as a line of storms that loomed over the region for much of Tuesday is expected to weaken as it moves east. More than a dozen Alabama counties, including Montgomery and the

By Amir Vera, Jason Hanna, Melissa Alonso and Aya Elamroussi, CNN Severe storms and tornadoes swept through parts of the South from Tuesday into Wednesday morning, killing at least two people in Alabama and damaging homes, other buildings and downing trees in several states, officials said. Two people were killed and at least one other

By Zoe Sottile, CNN Hawaii’s Mauna Loa, the world’s largest active volcano, erupted this week for the first time in almost four decades. When volcanoes erupt, they can have disastrous effects on the environment and the communities that live around them. Sunday night’s eruption caused flight cancellations to and from Honolulu and sent lava flowing