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濮阳市东方医院技术很专业
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发布时间: 2025-06-05 00:24:52北京青年报社官方账号
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  濮阳市东方医院技术很专业   

With hurricane season in full swing, there's a lot of talk from meteorologists about hurricane "categories." What do they mean, and what do they tell us about a storm?It turns out, a hurricane's category is only based on one thing: wind speed.According to the National Hurricane Center's website, the agency relies on the Saffir-Simpson Hurricane Wind Scale to determine a storm's strength. The scale categorizes a hurricane on a 1-5 scale, based on the storm's maximum sustained winds — the one-minute average of the wind speed taken from inside the storm.When storms over the Atlantic begin to organized into a rotating system around a central "eye," and sustained wind speeds in the storm reach 39 mph, it's classified as a tropical storm. Once wind speeds in the system reach 74 mph, it becomes a hurricane.From there, the NHC uses the Saffir-Simpson Scale to determine how much destruction a hurricane is expected to inflict on an area. While any hurricane is expected to cause damage to homes and topple some trees in its path, higher wind speeds can lead to trees blocking roads and downing power lines, isolating communities without power or access to water for weeks — or even months.STRENGTHMAX SUSTAINED WIND SPEEDDESTRUCTION CATEGORY 1Between 74 mph and 95 mphWell-constructed houses could have damage to roof, shingles, vinyl siding and gutters. Large branches of trees will snap and shallowly-rooted trees may be toppled. Extensive damage to power lines and poles likely will result in power outages that could last a few to several days. CATEGORY 2Between 96 mph and 110 mphHouses could sustain major roof and siding damage. Many shallowly rooted trees will be snapped or uprooted and block roads. Near-total power loss is expected with outages that could last from several days to weeks. CATEGORY 3 (major)Between 111 mph and 129 mphHouses may incur major damage or removal of roof decking and gable ends. Many trees — regardless of root depth — will be snapped or uprooted, blocking roads. Electricity and water will be unavailable for several days to weeks after the storm passes.CATEGORY 4 (major)Between 130 mph and 156 mphHouses can sustain severe damage with loss of most of the roof structure and possibly some exterior walls. Most trees will be snapped or uprooted and power poles will topple. Fallen trees and power poles will isolate residential areas. Power outages will last weeks to possibly months. Most of the area will be uninhabitable for weeks or months.CATEGORY 5 (major)Above 157 mphA high percentage of framed houses will be destroyed, with total roof failure and wall collapse. Fallen trees and power poles will isolate residential areas. Power outages will last for weeks to possibly months. Most of the area will be uninhabitable for weeks or months.Any hurricane that reaches Category 3, with sustained winds above 111 mph, is considered a "major" hurricane. According to the NHC, that's because "of their potential for significant loss of life and damage." But that doesn't mean Category 1 and 2 hurricanes can't be deadly.The NHC itself says that Category 1 and 2 hurricanes are "still dangerous" and "require preventative measures."While Hurricane Sandy peaked at Category 3 intensity when it made landfall in Cuba in 2012, it had collapsed into a post-tropical cyclone by the time it reached New Jersey on Oct. 29. Even though the storm only had Category 1 strength winds, it still resulted in the deaths of 131 people in America, according to media reports, and an estimated billion in damages — the second-costliest hurricane in U.S. history up to that point.The Saffir-Simpson Scale also doesn't take into account storm surge in coastal areas and flash flooding caused by the surge and heavy rain. Flooding can cause significant property damage and make main roads — including expressways — inaccessible. 3864

  濮阳市东方医院技术很专业   

When it comes to holidays and cookies, it seems most people in the United States are fans of peanut butter and sugar cookies.Instagram recently released a map showing what holiday cookie is the most popular in each state and peanut butter and sugar cookies were the clear favorites - with each cookie being named the most popular in 10 states. 351

  濮阳市东方医院技术很专业   

WILMINGTON, Del. – President-elect Joe Biden received his initial dose of the coronavirus vaccine on Monday.Biden received his Pfizer-BioNTech vaccine at ChristianaCare Hospital and it was administered by Tabe Mase, a nurse practitioner and head of employee health services at the hospital.With his wife, Jill, by his side, Biden received the vaccination in front of cameras as part of a growing effort to show Americans that the vaccines are safe and necessary for the nation to emerge from the pandemic.Watch Biden get vaccinated below:After he received his dose of the vaccine, Biden said his wife received her vaccination earlier in the day.“I’m doing this to demonstrate that people should be prepared when it’s available to take the vaccine. There’s nothing to worry about. I’m looking forward to the second shot and so is Jill. She’s had her shot earlier today,” said Biden.Biden said the Trump administration deserves some credit for getting the vaccine production off the ground with Operation Warp Speed.The former vice president went on to urge the public to continue taking the necessary precautions to prevent the spread of the coronavirus, because we’re still in the middle of a surge in cases.He also mentioned Moderna in his remarks, which began distributing its COVID-19 vaccine on Monday.“It’s worth stating that this is just the beginning,” said Biden. “It’s one thing to get the vaccine out. And now Moderna is going to be on the road as well, but it’s going to take time. In the meantime, I know I don’t want to sound like a sour note here, but I hope people listen to all the experts, who are talking about the need to wear masks during the Christmas and New Year’s holidays, social distance, and if you don’t have to travel, don’t travel, because we’re still in the thick of this.”Biden joins a growing list of lawmakers who have now received their first doses of the COVID-19 vaccine. Vice President Mike Pence, House Speaker Nancy Pelosi and Senate Majority Leader Mitch McConnell were among those were given doses Friday.President Donald Trump hasn't yet received the vaccine or said when he intends to. 2137

  

When Sen. Bernie Sanders did this in 2013, he did it alone.On Wednesday, nearly four years later, Sanders introduced a new "Medicare for all" health care bill with a third of the Senate Democratic caucus by his side.Flanked at first by New York Sen. Kirsten Gillibrand and Connecticut Sen. Richard Blumenthal, Sanders called the costs of the current system "insane and unaffordable," promising that the average family would benefit financially under his plan "because you will no longer be writing checks to private insurance companies."For those whose taxes would go up, he added, "that expense will be more than offset by the money are you are saving with the elimination of private insurance costs." 710

  

While many Americans do it, taking a selfie with a completed ballot is considered a crime in most states. According to CNN, there are laws prohibiting taking or distributing photos of your ballot while at the polls in 27 states. For voters in 23 states and DC, photos from the voting booth are generally permissible. A person could be charged with a felony in Illinois and Wisconsin for taking photos at the ballot booth.While some of the 23 states have previously had laws prohibiting photography of ballots, there have been recent court rulings questioning the constitutionality of such laws. One example came during 2016 in New Hampshire. The state argued that the law was necessary to prevent ballot photography to be used as a means of voter fraud or intimidation. The plaintiffs argued that prohibiting ballot photography denied voters their free speech rights. A federal appeals court ruled 3-0 that the state had not shown that it was using the least restrictive means to achieve a compelling state interest of prohibiting voting fraud. According to the ruling, New Hampshire Secretary of State William Gardner was unable to show examples of how ballot photography led to voting fraud. "The restriction affects voters who are engaged in core political speech, an area highly protected by the First Amendment," the ruling states. "There is an increased use of social media and ballot selfies in particular in service of political speech by voters. A ban on ballot selfies would suppress a large swath of political speech."Indiana also had a law passed in 2015 that would have made ballot selfies a felony struck down by a federal judge.In Colorado, the state made it legal in 2017 to take ballot pictures. But in Alabama, Arizona, Florida, Georgia, Illinois, Iowa, Maryland, Michigan, Nevada, New Jersey, New York, North Carolina, Ohio, South Carolina, South Dakota, Tennessee, Texas and West Virginia, it is illegal to take photos at the polling place, according to CNN. In Alaska, Louisiana, Massachusets, Minnesota, Mississippi, Missouri, Oklahoma, Utah and Vermont, pictures at the ballot box are okay, but cannot include a photo of a completed ballot.  To see a state-by-state breakdown of the laws regulating ballot selfies, click here.  2343

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