CNN-Weather/Environment

By Allison Chinchar, Sara Tonks and Mary Gilbert, CNN (CNN) — After weeks of spring-like warmth, parts of the United States will briefly plunge back into winter this week, with below-freezing temperatures possible for much of the eastern half of the country. Tuesday marks the official start of astronomical spring in the Northern Hemisphere after

By Elizabeth Wolfe, Robert Shackelford, Amanda Jackson, Mallika Kallingal and Sarah Dewberry, CNN (CNN) — Damaging storms and tornadoes swept through Indiana and Ohio on Thursday evening, leaving at least three people dead, destroying parts of towns and prompting search and rescue efforts, officials said. “I can best describe it as a bomb going off

By Mary Gilbert, CNN Meteorologist (CNN) — A potent storm is unleashing snarling snow, tornadoes and massive hail in the central US Thursday for the second consecutive day. Tornado-warned thunderstorms are popping up in parts of the Plains and Ohio Valley at the same time heavy snow was bringing parts of Colorado to a standstill.

By Mary Gilbert, CNN Meteorologist (CNN) — A powerful storm is poised to deliver nearly every weather hazard possible to the central US beginning Wednesday. An extreme wildfire risk – the highest risk level possible – encompasses parts of Texas and Oklahoma, while feet of snow bury the Rockies and severe thunderstorms erupt in the

By Mary Gilbert and Eric Zerkel, CNN (CNN) — The final chapter of winter has been written and it’s the story of a season that didn’t live up to its name. This winter was the warmest on record for the Lower 48, NOAA’s National Centers for Environmental Information said Friday. Records date to the late

By Mary Gilbert and Taylor Ward, CNN Meteorologists (CNN) — Thunderstorms are bubbling up across the South, opening the door for significant flooding, damaging winds, hail and possible tornadoes to pound the region through Saturday. Flood alerts are in effect for nearly 15 million people in the South, including parts of Atlanta, through much of

By Mary Gilbert, CNN Meteorologist (CNN) — A potent storm will sweep across a large portion of the United States into the weekend, ramping up the risk for damaging winds, hail, flooding and even a few tornadoes in the South. Atlanta faces a significant flood threat as severe thunderstorms and drenching rainfall focus on the

By Susannah Cullinane, Sara Smart, Cindy Von Quednow and Mary Gilbert, CNN (CNN) — California’s mountain towns and ski resorts are digging out after a blockbuster blizzard buried them and major roads under several feet of snow. The storm slammed California’s mountains for multiple days before wrapping up Monday. The most extreme conditions targeted the

KMAX, KOVR, CNN By Susannah Cullinane, Sara Smart and Cindy Von Quednow, CNN (CNN) — Blizzard conditions continued to slam Northern California over the weekend with damaging winds and heavy snow dumping on mountain ridges down to the valleys. The most extreme conditions are unfolding at the highest elevations in the mountains, with whiteout conditions

By Susannah Cullinane, Sara Smart and Cindy Von Quednow, CNN (CNN) — Blizzard conditions continued to slam Northern California over the weekend with damaging winds and heavy snow dumping on mountain ridges down to the valleys. The most extreme conditions are unfolding at the highest elevations in the mountains, with whiteout conditions and hurricane-force winds.

CNN By Sara Tonks, CNN (CNN) — A dangerous winter storm is slamming Northern California with rare blizzard conditions and fierce winds as it threatens to unload up to 10 feet of snow in the mountains and snarl travel. In the Sierra Nevada, the storm is delivering heavy snow, reduced visibilities, toppled power lines and

By Sara Tonks, CNN (CNN) — A dangerous winter storm is slamming Northern California with rare blizzard conditions and fierce winds as it threatens to unload up to 10 feet of snow in the mountains and snarl travel. In the Sierra Nevada, the storm is delivering heavy snow, reduced visibilities, toppled power lines and hurricane-force

CNN By Mary Gilbert and Elliana Hebert, CNN (CNN) — A dangerous winter storm has arrived in California and will unload feet of snow, powerful winds and rare blizzard conditions in the mountains through the weekend. The storm will bury California under its biggest snowfall of the year posing a significant danger to travelers –

By Mary Gilbert and Elliana Hebert, CNN (CNN) — A dangerous winter storm has arrived in California and will unload feet of snow, powerful winds and rare blizzard conditions in the mountains through the weekend. The storm will bury California under its biggest snowfall of the year posing a significant danger to travelers – but

CNN By Alexandra Banner, CNN (CNN) — A few years ago, NASA intentionally crashed a spacecraft into an asteroid to see if the impact would change its direction. The celestial object now appears to be a “very different body” akin to a giant debris plume of floating material, according to a new study. Here’s what

CNN By Mary Gilbert and Joe Sutton, CNN (CNN) — A massive blaze that’s raging out of control is threatening Texas Panhandle towns and forcing residents to evacuate. The Smokehouse Creek Fire, the largest wildfire burning in the region, has exploded to 200,000 acres since igniting Monday afternoon, according to the Texas A&M Forest Service.

By Mary Gilbert and Joe Sutton, CNN (CNN) — A massive blaze that’s raging out of control is threatening Texas Panhandle towns and forcing residents to evacuate. The Smokehouse Creek Fire, the largest wildfire burning in the region, has exploded to 200,000 acres since igniting Monday afternoon, according to the Texas A&M Forest Service. The

CNN Editorial Research (CNN) — Here’s a look at the earthquake and tsunami that struck Japan in March of 2011. March 11, 2011 – At 2:46 p.m., a 9.1 magnitude earthquake takes place 231 miles northeast of Tokyo at a depth of 15.2 miles. The earthquake causes a tsunami with 30-foot waves that damage several

By Mary Gilbert, CNN Meteorologist (CNN) — Record-breaking warmth will open the door Tuesday for a round of unusual February severe thunderstorms and potential tornadoes in the Midwest as dramatically different air masses clash. These kinds of storms – which can generate tornadoes, large hail and damaging winds – are possible at any point in

By Mary Gilbert, CNN Meteorologist (CNN) — An already fledgling winter is on borrowed time for much of the country as a dramatic pattern change next week and temperature forecasts into March signal what could be the final nail in the coffin of a winter like no other. Unseasonable warmth, missing snow and disappearing ice