CNN-Weather/Environment

By Allison Chinchar, CNN Meteorologist Earthquakes can be like Jell-O. A simple, yet often used analogy is that if you’re sitting in a valley or basin, it acts like a bowl of gelatin and it will shake more than surrounding rock. But not all earthquakes are created equal and the ground you walk on can

By Emily Smith, CNN Earthquakes are measured using seismographs, which monitor the seismic waves that travel through the Earth after an earthquake strikes. Scientists used the Richter Scale for many years but now largely follow the Modified Mercalli Intensity Scale, which the U.S. Geological Survey says is a more accurate measure of size. The Richter

By Aya Elamroussi, CNN For millions of Americans across a large swath of the country, the holiday week is beginning with unrelenting below-freezing temperatures made even more miserable by heavy snow expected Tuesday and Wednesday in several central and northwestern states. A developing ‘bomb cyclone’ has prompted alerts from Washington state to Maryland that cover

By Allison Chinchar, CNN Meteorologist Astronomical winter officially begins this Wednesday and Jack Frost will arrive in full force. Temperatures will take a polar plunge this week, and even Florida won’t be spared, thanks to a strong high-pressure system sliding south from Canada. “Very cold Arctic air masses will envelop much of the central and

By Aya Elamroussi, CNN After a nor’easter dropped more than a foot of snow across many parts of interior New England, more is on its way Saturday as officials warn of dangerous travel conditions the weekend before Christmas. The storm — part of a weather system that upended several communities in the South with deadly

By Aya Elamroussi, CNN The monstrous storm that walloped much of the US this week has now brought nor’easter conditions as it moves across New York and New England ahead of the weekend. After many in the South were left grappling with power outages and smashed homes and businesses from a spate of tornadoes earlier

By Nouran Salahieh, Holly Yan, Monica Garrett and Amanda Watts, CNN The massive storm system that pulverized homes, killed three people in Louisiana and brought blizzard conditions to northern states is bringing a new wave of brutal weather starting Thursday. More than a foot of snow has covered parts of the upper Midwest since Monday,

By Amir Vera, Jason Hanna and Monica Garrett, CNN At least five tornadoes were confirmed in Texas during a storm outbreak Tuesday, according to the National Weather Service in Fort Worth. Three of the tornadoes were in Tarrant County, with the strongest having an EF-1 rating. One damage track was seen in the city of

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