东北风暴逼近北卡外滩群岛：哈特拉斯岛游客被强制撤离沿海洪水警报持续至10月20日

哈特拉斯——据 The Watchers 与外滩群岛本地媒体报道，北卡罗来纳州戴尔县 10 月 16 日下午 6 时宣布哈特拉斯岛进入紧急状态，并自当晚 8 时起对岛上全部游客执行强制撤离令。撤离范围涵盖罗丹特、韦弗斯、萨尔沃、埃文、巴克斯顿、弗里斯科与哈特拉斯村共七个村落；岛上常住居民以及俄勒冈湾以北地区不在撤离之列。

这股移动缓慢的沿海东北风暴预计带来持续多日的沿海洪水与海水越堤。美国国家气象局纽波特／莫尔黑德城办公室 10 月 17 日凌晨将哈特拉斯岛的沿海洪水观察升级为沿海洪水警报，警报自 10 月 17 日下午 5 时持续至 10 月 20 日上午 8 时（均为美东时间）：低洼易涝地带水位可高出地面 2 至 4 英尺（约 0.6 至 1.2 米），碎波高达 8 至 14 英尺（约 2.4 至 4.3 米）；大浪警报自 10 月 17 日下午 2 时持续至 10 月 20 日上午 8 时；大风警报自 10 月 17 日中午持续至 10 月 19 日晚 8 时，北风风速每小时 30 至 40 英里、阵风可达 50 英里。

连接哈特拉斯岛与外界的唯一公路北卡 12 号公路在高潮位时段部分脆弱路段可能被海水淹没。应急管理官员表示，最大的越堤风险从 10 月 17 日下午约 1 时的高潮位开始，并将在此后多个高潮周期反复出现；由于这股风暴移动缓慢，公路可能长时间关闭、岛屿对外陆路交通中断，关闭时长取决于风暴持续时间、实际损害与抢修进度。当地官员特别指出，针对东北风暴发布游客强制撤离令在当地并不常见，这类命令通常只用于热带气旋与飓风——今年 9 月底的一场东北风暴中，官员一直等到 12 号公路无法通行后才限制进出，这次则提前下令。

县方要求仍在岛上的游客携带全部个人物品离岛，并遵从住宿管理方或物业公司的离岛指引；持有近期预订的旅客应联系住宿方调整行程，在撤离令有效期间不要前往哈特拉斯岛。气象局同时对奥克拉科克岛与外滩群岛北部发布了相应的大浪与大风提示。

Nor'easter Bears Down on North Carolina's Outer Banks: Visitors Ordered off Hatteras Island as Coastal Flood Warning Runs Through October 20

Hatteras — Dare County, North Carolina, declared a state of emergency for Hatteras Island effective 6 p.m. on Friday, October 16, and ordered a mandatory evacuation of all visitors beginning at 8 p.m. that evening ahead of a developing coastal nor'easter, The Watchers and local Outer Banks media reported. The order covers the seven villages of Rodanthe, Waves, Salvo, Avon, Buxton, Frisco and Hatteras Village; no evacuation was ordered for island residents or for areas north of Oregon Inlet.

The slow-moving storm is expected to bring days of coastal flooding and ocean overwash. The National Weather Service office in Newport/Morehead City upgraded Hatteras Island from a Coastal Flood Watch to a Coastal Flood Warning early on October 17; the warning runs from 5 p.m. EDT on October 17 to 8 a.m. EDT on October 20, with inundation of 2 to 4 feet above ground level in vulnerable areas and breaking surf of 8 to 14 feet. A High Surf Advisory runs from 2 p.m. on October 17 to 8 a.m. on October 20, and a Wind Advisory from noon on October 17 to 8 p.m. on October 19, with north winds of 30 to 40 mph gusting to 50 mph.

N.C. Highway 12, the island's only road link, is subject to inundation on vulnerable sections around high tide. Emergency officials said the greatest overwash potential begins with the high tide at about 1 p.m. on October 17 and will recur over multiple tidal cycles; because the storm is slow-moving, the highway could remain closed for an extended period, with the length of any closure depending on the storm's duration, the damage done and the work needed to reopen it safely. Officials noted that a mandatory visitor evacuation is an unusual precaution for a nor'easter — such orders are typically reserved for tropical systems and hurricanes — and that during a late-September nor'easter officials had waited until Highway 12 became impassable before restricting access, whereas this time the order came ahead of the worst impacts.

Visitors still on the island were told to take all personal belongings and follow departure instructions from their property management company or accommodations provider; travelers with upcoming reservations were advised to contact their providers to adjust plans and not to travel to the island while the evacuation order remains in effect. The weather service also issued surf and wind advisories for Ocracoke Island and the northern Outer Banks.

来源：GSM·美国（原文链接）

图片来源：图：北卡罗来纳州哈特拉斯角灯塔资料照片。照片：CynthiaCola／Wikimedia Commons（CC BY 4.0）。File photo: Cape Hatteras Lighthouse, North Carolina. Photo: CynthiaCola / Wikimedia Commons (CC BY 4.0).

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