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    Sweating to Shivering: Study Finds Rapid Swings in Temperature Have Increased

    Flips between warm temperatures to cold and vice versa have become quicker, more frequent and more intense in recent decades, a new study shows.Wildfire smoke tinged the sky orange in Fort Collins, Colo., in the Rocky Mountains region on Sept. 7, 2020, during a heat wave, before temperatures dropped significantly overnight and a snowstorm hit the area.A September heat wave switching into a snowstorm over one day in the Rocky Mountains. Winter snowfall suddenly melting and saturating fields of dormant crops, before refreezing and encasing them in damaging ice. Early spring warmth prompting plants to blossom followed by a cold snap that freezes and drops their petals.Rapid temperature change events like these have increased in frequency and intensity over recent decades, a new study found.The transition periods for these abrupt temperature shifts have also shortened, according to the study, published Tuesday in the journal Nature Communications.Because the quick changes in temperature give communities and ecosystems little chance to respond, they may pose greater challenges than heat waves or cold snaps alone, said Wei Zhang, an assistant professor of climate science at Utah State University and one of the lead authors of the study.“The impact could really be cascading on a different level,” he said.The researchers warned these temperature flips could have damaging effects on people and natural environments, including destruction of crops, harm to ecosystems and strains on power infrastructure. And low-income countries, where there is less access to weather forecasting and infrastructure is less resilient, are more vulnerable.The researchers examined temperature data from 1961 to 2003 to identify global patterns in sudden weather shifts, where temperatures in an area either jumped from cold temperatures to warm or plunged from warm to cold within five days. They found that instances of these flips increased in more than 60 percent of regions they surveyed.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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    What Spring? Snow Blankets the Northeast.

    Two to five inches of snow fell over an area stretching from Albany, N.Y., to Maine overnight Friday into Saturday morning, forecasters said.Residents across a broad stretch of the Northeast woke up on Saturday to snow blanketing backyards and frosting trees, just as the pastel colors of Easter promised that spring was near.An area stretching from around Albany, N.Y., to Maine experienced moderate snowfall, mostly from two to five inches, overnight Friday into Saturday morning, according to the National Weather Service. And while spring technically started on March 20, snowfall at this time of year is far from rare.“In upstate New York, you know, a couple inches here and there is certainly not unheard-of, even in the early spring,” said Abbey Gant, a meteorologist with the Weather Service office in Albany.In Maine, where two to five inches of snow had fallen by Saturday morning, Michael Clair, a Weather Service meteorologist, said that the snow was “nothing we haven’t seen before.”It’s also something the state might see again before warmer weather moves in.“It’s still too early to say we’re done for sure,” Mr. Clair said. “This is sort of what our spring looks like. It’s a mix of things.”Snow was expected to continue through Saturday, tapering off as the day progressed, before the region dries out next week, forecasters said.For Jill Woodworth, 58, who grew up in Connecticut and has lived in Orange, Mass., for the past 25 years, waking up to snow in April can be routine, but it’s still shocking.In Orange, Mass., snow in April is not necessarily unusual but can still come as a bit of a shock, one resident said.Jill Woodworth“I’ve lived in this area for most of my life, and it’s not unusual, but it’s just like, ‘Oh my God,’” Ms. Woodworth said. “It feels like it’s been a long ramp up to spring with the flowers and the trees.”Ms. Woodworth said she remembered past Aprils when up to two feet of snow had fallen. This time around, she estimated that only about two inches had dusted her backyard, with no need to shovel any snow.“I’ll brush off the car, though,” she said, “before I go get Dunkin’.” More

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    Long-Running Storm Drenches Central U.S. but Starts to Shift East

    The heaviest rains so far this weekend have hit Arkansas, Missouri and Kentucky. More rain is expected on Sunday, but the risk of flooding will be less severe.The huge storm system that has caused widespread damage across the central United States is bringing more heavy rain and high winds on Sunday, continuing its dayslong stretch of soaking communities from Texas to Ohio as it begins to move east.The heaviest rains over the weekend so far have fallen in Arkansas, Missouri and Kentucky, and rising water levels and flooding have prompted water rescues, road closures and evacuation orders. The storm has killed at least 16 people, including a 5-year-old boy in Arkansas, a 9-year-old boy in Kentucky and a firefighter in Missouri, since it began on Wednesday.

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    10+ inches

    Search for a place to see the observed precipitation.

    Source: National Weather Service
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     Values are in inches of water or the equivalent amount of melted snow and ice.
    By Bea Malsky and Martín González Gómez

    The threat of storms and rainfall will shift eastward but diminish on Sunday, which will be a welcome reprieve for residents in the South and the Midwest. In some areas — including northern Arkansas and southern Missouri — rivers are expected to crest on Sunday, and possibly as late as Wednesday, but the risk of dangerous flooding will not be as high as it was on Friday and Saturday.While the worst of the rain is over in northern Kentucky, parts of the region are still expected to receive up to five inches of rain before the long stretch of bad weather finally clears, according to the National Weather Service. “Moderate to major” flooding was forecast on many of the region’s rivers.“Given the fact that everything is so saturated, everything is just running right off the ground and into area creeks and streams,” said Nate McGinnis, a meteorologist with the agency in Wilmington, Ohio.

    Forecast risk of severe storms for Sunday

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    Communities Brace for Flooding as Storm Moves Across Central U.S.

    The rising water levels have prompted rescues and road closures. The storm, which has already wreaked havoc across the South and the Midwest, doesn’t show signs of letting up.Rivers were rising rapidly across much of the Midwest and South on Saturday, prompting water rescues and road closures as a relentless storm continued to dump rain and to rage across the country. The increased flooding, which was happening from Texas to Ohio, came after days of heavy rains and tornadoes that killed at least nine people, including a Missouri firefighter who died while responding to a water rescue call on Friday. Forecasters warned that the floods might continue well into next week, with rivers not expected to crest in some places until Tuesday or Wednesday.Emergency workers reported overnight water rescues in Texarkana, Texas; Izard County, Ark.; and several places in southern Missouri, including around Cape Girardeau. “We’ve got flooded streets everywhere — and lots more rain on the way,” the Texarkana police posted on Facebook.On Friday, the local sheriff in Izard County, in northern Arkansas, was traveling to rescue a family when he crashed his truck on a washed-out road. The sheriff was not injured, but photos showed his truck partially submerged.“All county roads will have major damage like this for the coming days that can be hidden by the water,” the department warned, adding that people should stay home if possible. More

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    Scenes From States Devastated by a Powerful Storm System

    A massive storm system has pummeled the Midwest and South this week, killing at least seven people and leaving a trail of destruction from Arkansas to Ohio. The risk may only increase in the days ahead as sustained rainfall is expected to cause widespread and potentially catastrophic floods.The storm began to menace the region on Wednesday, when tornadoes and strong winds toppled barns, houses and power poles. Several people died in Tennessee, including a teenage girl whose modular home was destroyed by a tornado. Officials also linked a fire chief’s death in Missouri and a motorist’s death in Indiana to the storm.In many communities, the focus shifted immediately to the threat of flooding. Water already covered roads in Nashville, and schools in some drenched Kentucky and Tennessee communities called off Friday classes. With many waterways expected to crest at major flood stage over the weekend, residents of river towns in Arkansas, Missouri and beyond were racing to fill up sandbags.Here is a look at some of the damage:ArkansasBrad J. Vest for The New York TimesCody Ferguson took pictures of damage to his home in Lake City.Brad J. Vest for The New York TimesJessica Rust showed off a photo of a tornado that she took on Wednesday as she and her family cleared debris from her father’s destroyed mobile home in Lake City.Associated PressPeople surveyed destroyed homes in Lake City.Brad J. Vest for The New York TimesDylon Davies embraced Skylar, his friend’s dog that survived the tornado in Lake City.TennesseeWilliam DeShazer for The New York TimesRescue operations were underway as floodwaters grew in Nashville.@racheljanemarie via XFloodwaters overflowed into streets in Nashville.William DeShazer for The New York TimesUtility workers began restoring power in Selmer.William DeShazer for The New York TimesBuildings were shredded in Selmer.Tennessee Highway Patrol via StoryfulCrews searched through wreckage after a tornado hit Selmer.William DeShazer for The New York TimesFlooding in Nashville.William DeShazer for The New York TimesResidents in Selmer patched a roof as rain continued to pour.Anthony Kyle Borden via FacebookLightening as tornado warnings were issued in Statonville.KentuckyMichael Swensen/Getty ImagesParishioners and community members assessed damage after a tornado struck the Christ Community Church in West Paducah.Leandro Lozada/Agence France-Presse, via Afp /Afp Via Getty ImagesA tornado ripped through buildings in Louisville.Indiana@DKahunaB via StoryfulTornados toppled trees and damaged homes in Carmel.MissouriDavid Robert Elliott for The New York TimesResidents explored the wreckage in Nevada.David Robert Elliott for The New York TimesBusinesses in Nevada were destroyed by the storm.OklahomaMike Simons/Tulsa World, via Associated PressRyland Mosley, 18, who was on the second story of his home when the storm passed, stood outside and observed the aftermath in Owasso.Mike Simons/Tulsa World, via Associated PressDamage in Owasso. More

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    Severe Storm Risk Shifts to East Coast

    Thunderstorms and potentially tornadoes are expected from Central Florida to western Pennsylvania on Sunday, forecasters said.The deadly bombardment of severe storms that spawned tornadoes and dust storms across the Midwest and South is expected to sweep across the East Coast on Sunday. The system, which has killed at least 36 people, is expected to unleash storms that could generate tornadoes across the Mid-Atlantic and the Southeast.The turbulent weather that has caused widespread destruction is part of a huge cross-country system that dropped hail — some as large as baseballs — and produced tornadoes Friday and Saturday that killed at least 23 people.The system also caused wildfires driven by hurricane-force winds, and dust storms that led to crashes that killed at least 13 people in Kansas, Oklahoma and the Texas Panhandle.On Sunday, the threat of tornadoes and thunderstorms is expected to be over in the South and will shift east, though at a level much lower than it was on Saturday.Forecasters said there would be a slight risk of severe storms and tornadoes from Central Florida to western Pennsylvania. However, a higher enhanced risk was in place for western and central Pennsylvania.“I’m not expecting the coverage to be as significant and the storms to be as numerous in terms of the overall severity,” said Rich Otto, a meteorologist with the National Weather Service’s Weather Prediction Center. “But there’s still going to be a risk for tornadoes, large hail and damaging winds.”Mr. Otto said that Mississippi and Alabama, which experienced the highest possible level of tornado risk on Saturday, “should have a relatively tranquil day on Sunday.”Tornadoes across the South and MidwestLocations of tornado sightings or damage reported since Friday morning. More

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    ‘It Got Everything’: Oklahoma Residents Who Escaped Fires Brace for Losses

    Hundreds of homes and other buildings were destroyed in Oklahoma, as fierce winds and wildfires swept the region. More than 150 blazes were burning in Oklahoma alone, damaging many structures and hundreds of thousands of acres, and causing one death.Nick Oxford/ReutersWhen Geraldine and Charles Wyrick heard shouts ring out through their community of a dozen trailer homes on Friday afternoon near Wellston, Okla., they knew the fires were near. It was time to get out. As Ms. Wyrick rushed to her Chevy Tahoe, and Mr. Wyrick to his pickup truck, they noticed that a neighboring family of five did not have a working vehicle. They, too, scrambled into the truck, along with several dogs. In the chaos, there was no time to salvage any personal belongings.On Saturday, talking at an emergency shelter in Stillwater, Okla., Mr. Wyrick, a 70-year old retired mechanic, said their home and entire neighborhood had likely been destroyed by the fire, alongside many of his prized possessions: a pontoon boat, three trailers and a tractor.“It got everything,” his wife said.From the Texas Panhandle to the suburbs of Oklahoma City, residents braced on Saturday to assess the damage after wildfires and smoke forced many to evacuate.In Oklahoma, nearly 300 homes and other structures were destroyed, Gov. Kevin Stitt said at a news conference on Saturday. At least 50 of those structures were in Stillwater, home to about 50,000 people and Oklahoma State University.Videos on social media showed houses consumed by flames. He described visiting neighborhoods where just a few homes had been spared, while the rest were little more than rubble.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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    Forecasters Issue Highest Risk Alert for Tornadoes in the South

    A rare outlook for potentially violent tornadoes is being forecast Saturday.Forecasters believe that particularly intense, long-lasting severe storms at a level typically experienced only once or twice in a lifetime could sweep through this region of the South.Saturday might be one of those lifetime events for someone in that zone. The Weather Service has issued the highest risk for tornadoes today and began issuing tornado warnings for swaths of the Midwest on Friday night.“Flying debris will be dangerous to those caught without shelter,” the Weather Service warned residents in parts of Western Illinois. “Damage to roofs, windows, and vehicles will occur.”An “extremely dangerous” tornado moving at 55 miles per hour was confirmed in Eastern Missouri, according to the Weather Service.These storms are all connected to the intense storm system reeking havoc across the Central U.S. which within the last day has brought damaging strong winds, tornadoes across the Midwest and dust storms and wildfires sweeping across the Plains. Saturday’s storms will be moving extremely fast, and may catch people off guard. They have the potential to form numerous significant tornadoes, some of which could be potentially violent, damaging hurricane-force (greater than 74 miles per hour) and golf ball or even baseball size hail.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More