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飓风“伊萨亚斯”逼近得克萨斯州,登陆前或升级为强飓风Hurricane Isaias Nears Major Status Ahead of Gulf Coast Landfall

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飓风伊萨亚斯在美国墨西哥湾。来源:CIRA/RAMMBHurricane Isaias in the US Gulf. Source: CIRA/RAMMB

作者:劳伦·罗森塔尔周四上午,尽管持续存在侧向强风,飓风“伊赛亚斯”仍在不断增强,给美国墨西哥湾沿岸广大地区带来了破坏性大风和洪水的威胁。

By Lauren Rosenthal Hurricane Isaias is gathering strength Thursday morning despite persistent crosswinds, raising the threat of damaging winds and flooding across a wide stretch of the US Gulf Coast.

据预测,“伊赛亚斯”将在未来24小时内达到强飓风级别,但在最终登陆前会略有减弱。美国国家飓风中心在一份通告中表示,截至纽约时间周五凌晨5点,其风速已达到每小时80英里(129公里)。

Isaias is forecast to approach major hurricane strength within the next 24 hours before weakening somewhat on its final approach to land. As of 5 a.m. New York time, its winds had reached 80 miles (129 kilometers) per hour, the US National Hurricane Center said in an advisory.

预计该风暴将于周五晚些时候或周六凌晨在墨西哥湾北部海岸登陆,阿拉巴马州、密西西比州和佛罗里达州潘汉德尔地区面临风险。

The storm is expected to make landfall along the northern Gulf Coast late Friday or early Saturday, with Alabama, Mississippi and the Florida Panhandle at risk.

此时,石油市场正因伊朗战争而承受压力,该风暴已对墨西哥湾的能源生产造成干扰。据美国联邦海洋矿物管理局称,截至周三,该地区海上生产商已关闭了约25%的原油产量和16%的天然气产量。

The storm is already disrupting energy production in the Gulf at a time when oil markets are under pressure from the war in Iran. Offshore producers had shut in roughly 25% of crude output and 16% of natural gas production in the region as of Wednesday, according to the federal Marine Minerals Administration.

周四,受风暴影响以及中东紧张局势持续带来的压力,美国原油价格最高上涨5.2%。

US crude oil prices rose as much as 5.2% Thursday under strain from the storm and continued pressure linked to tensions in the Middle East.

作为预防措施,八个钻井平台上的工人已被疏散,一艘动态定位钻井平台也已撤离出风暴路径。风险建模公司Enki Research的查克·沃森表示,除非发生重大设备故障,否则生产中断可能只是短期的。

Workers at eight platforms have been evacuated and one dynamically positioned rig has been moved out of the storm’s path as a precaution. The production disruptions are likely to be short-lived barring major equipment failures, said risk modeler Chuck Watson of Enki Research.

周四上午,随着“伊赛亚斯”持续增强,联邦政府的飓风侦察机正在收集风暴数据,以辅助后续天气预报。人工智能模型与传统基于物理的预报工具在风暴的确切登陆地点上仍存在分歧。

As Isaias continued to grow Thursday morning, federal hurricane hunter aircraft were collecting data from the storm to help inform upcoming forecasts. AI models and more traditional, physics-based forecast tools still disagree on exactly where the storm will land.

预报员菲利普·帕平在一份更新报告中写道,预测该风暴的最终强度也变得“有些棘手”。

Predicting the storm’s eventual strength has also become “somewhat tricky,” forecaster Philippe Papin wrote in an update.

尽管存在中等程度的垂直风切变——这种强劲侧风可能会扰乱飓风的环流结构——但“伊赛亚斯”仍在持续增强。随着该风暴于周五最终逼近陆地,这些风力只会进一步增强。这将导致“伊赛亚斯”强度减弱,同时使其破坏性大风的影响范围扩大至更广阔的区域。

Isaias has continued strengthening despite moderate vertical wind shear, powerful crosswinds that can disrupt a hurricane’s circulation. Those winds will only ramp up as the storm makes its final approach to land Friday. This would cause Isaias to weaken, while also spreading its damaging winds over a much larger area.

帕平写道:“因此,预计‘伊赛亚斯’在登陆前都将保持危险的飓风级别,其影响范围也将深入内陆。”

As a result, “Isaias is expected to remain a dangerous hurricane through landfall,” Papin wrote, with effects expected to extend well inland.

墨西哥湾沿岸各社区已加强应对强风和高达7英尺(2.1米)风暴潮的准备。在阿拉巴马州、佛罗里达州和密西西比州,风暴预计路径附近的70多个县已宣布进入紧急状态。

Communities along the Gulf Coast have ramped up preparations for strong winds and as much as 7 feet (2.1 meters) of storm surge. Emergencies have been declared in more than 70 counties near the storm’s expected path in Alabama, Florida and Mississippi.

佛罗里达州州长罗恩·德桑蒂斯周三在X平台上警告称,该风暴的东侧——被认为是“最危险的一侧”——即将袭击佛罗里达半岛北部。

Florida Governor Ron DeSantis warned in an X post Wednesday that the eastern flank, considered the “most dangerous side” of the storm, was due to hit the Florida Panhandle.

预计“伊赛亚斯”将在周末为美国东南部带来强降雨。从田纳西河谷到卡罗来纳州等较北地区,局部地区的降雨总量可能高达5英寸,从而增加突发性洪水、城市内涝和局部河流泛滥的风险。

Isaias is expected to bring heavy rain across the Southeast through the weekend. Localized totals of up to 5 inches are possible as far north as the Tennessee Valley and the Carolinas, raising the risk of flash, urban and isolated river flooding.