CNN-Weather/Environment

By Mary Gilbert, CNN Meteorologist (CNN) — Surging tropical activity in the South Pacific Ocean produced a relatively rare occurrence Tuesday: three named tropical cyclones active at the same time: Alfred, Rae and Seru. It’s the first time in four years the feat has happened in the region, the limits of which start east of

By Mary Gilbert, CNN Meteorologist (CNN) — It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the US, seems to be making a comeback for the first time in

By Hanna Park, Robert Shackelford and Mary Gilbert, CNN (CNN) — Dangerously cold conditions will impact over 60 million Americans between Wednesday and the weekend spanning a large swath of the US and setting the stage for widespread disruptions from a winter storm. Arctic air is interacting with a strengthening storm system to bring hazardous

By Mary Gilbert, Dalia Faheid, Emma Tucker, Karina Tsui, Chris Boyette and Lauren Mascarenhas, CNN (CNN) — At least 10 people died this weekend as a powerful storm swept through a large swath of the United States, bringing widespread flooding and damaging winds to Southern and Eastern states. In Kentucky, where flooding inundated roads and

By Mary Gilbert, CNN Meteorologist and Dalia Faheid (CNN) — At least one person is dead as a powerful storm batters the eastern half of the US with dangerous flooding, prompting hurried evacuations, widespread road closures and hazardous travel conditions in several states. A 73-year-old resident of Manchester, Kentucky, died in the Horse Creek area

KCAL, KCBS, ANDREAS TOMRPOS, TEAM RUBICON USA, CNN By Hanna Park, Stephanie Elam, Robert Shackelford and Mary Gilbert, CNN (CNN) — Southern Californians evacuated their homes for the second time this year, but this time, it’s for heavy rain and debris flows that threaten new destruction in areas still recovering from last month’s devastating wildfires.

By Hanna Park, Stephanie Elam, Robert Shackelford and Mary Gilbert, CNN (CNN) — Southern Californians evacuated their homes for the second time this year, but this time, it’s for heavy rain and debris flows that threaten new destruction in areas still recovering from last month’s devastating wildfires. The strongest storm to impact parts of California

By Mary Gilbert, Lauren Mascarenhas and Amanda Musa, CNN (CNN) — Evacuation warnings have been issued in parts of Los Angeles County ravaged by deadly wildfires last month, as Southern California’s most significant storm in more than a year stokes fears of life-threatening debris flows and a high risk of mudslides. It’s just one of

By Mary Gilbert, Robert Shackelford and Michelle Watson, CNN (CNN) — As California prepares for heavy rain in areas recently burned by wildfires, the first of three storms expected in the US this week impacted communities from the Ohio Valley east to New Jersey. Rain, snow and sleet fell across a 1,500-mile stretch of the

By Artemis Moshtaghian, Gene Norman, Lauren Mascarenhas and Robert Shackelford, CNN (CNN) — As the Midwest and Northeast dig out from back-to-back winter storms, new systems are building and are expected to dump more snow from the middle of the country to the East Coast this week. Plenty of cold air remains in place to

By Mary Gilbert, CNN Meteorologist (CNN) — The second of five storms that will slam the eastern half of the United States with snow and ice over a two week period is on the way — and this one has more snow than the first. The first storm unleashed deadly severe weather, life-threatening flooding and

By Mary Gilbert, CNN Meteorologist (CNN) — A wide-reaching storm forced water rescues, knocked out power to tens of thousands and made for dangerous travel as it hit the Ohio Valley, Mid-Atlantic and Northeast Thursday. It’s a preview of the frenetic winter storm activity to come this month. At least two other storms are expected

By Ella Nilsen, CNN (CNN) — Even before federal employees at the National Weather Service received so-called buyout offers this week, America’s public forecasting agency was suffering its lowest staffing in decades. Now, the NWS — whose mission is to protect lives and property, ensuring Americans have sufficient time to evacuate before a hurricane or

By Mary Gilbert, CNN Meteorologist (CNN) — Winter storms are about to blitz through the eastern half of the United States at a frenetic pace that could continue for a couple of weeks. The jet stream, essentially a river of air in the atmosphere that storms flow through, is locked in an almost perfect line