特拉华州刘易斯10月27日上午迎来5.51英尺大潮，王潮加海风推高沿海洪水风险
特拉华州苏塞克斯县刘易斯市消息，美国国家海洋和大气管理局（NOAA）预测，10月27日上午9时50分刘易斯潮位站将出现5.51英尺的高潮，高于10月26日的5.35英尺，特拉华州沿海正迎来王潮期。所谓王潮，是在特定天文条件下出现的异常高潮；高潮本身只是洪水方程式的一部分，风暴潮、持续向岸风与海浪等因素叠加，才会共同决定实际水位。特拉华州沿海洪水监测系统在刘易斯、里迪角、特拉华城及内陆海湾沿线多地监测潮位与水位，并提供实时观测数据；NOAA 的特拉华湾业务预报系统则为该区域水位提供预报指导。专家提醒，异常高潮可能把海水推高到正常水位之上，沿海低洼道路与物业在涨潮时段面临积水风险，居民应留意当地发布的沿海洪水监测与预警信息，避免在涨潮时段驾车穿越积水路段，具体洪水是否发生仍取决于风浪等其他条件。
Lewes, Delaware Sees a 5.51-Foot High Tide on the Morning of October 27 as King Tides and Onshore Winds Raise Coastal Flood Risk
Lewes, Sussex County, Delaware — NOAA predicted a high tide of 5.51 feet at the Lewes tide station at 9:50 a.m. on October 27, higher than the 5.35 feet predicted on October 26, as Delaware's coast enters a king tide period. A king tide is an exceptionally high tide that occurs under particular astronomical conditions; the tide itself is only part of the flooding equation, and storm surge, persistent onshore winds and waves together determine the actual water level.
Delaware's Coastal Flood Monitoring System tracks tides and water levels at Lewes, Reedy Point, Delaware City and sites along the inland bays, providing real-time observations, while NOAA's Delaware Bay Operational Forecast System provides forecast guidance for water levels in the region. Experts warn that exceptionally high tides can push water above normal levels, putting low-lying coastal roads and properties at risk of standing water around high tide. Residents should watch local coastal flood statements and warnings and avoid driving through flooded road sections at high tide; whether flooding actually develops still depends on wind, waves and other conditions.
来源：GSM·美国（原文链接）
图片来源：图：特拉华州刘易斯展陈的救生艇（资料图）。Nolabob 摄，CC BY-SA 4.0，来源：Wikimedia Commons / Photo: A lifesaving boat on display in Lewes, Delaware (file photo). By Nolabob, CC BY-SA 4.0, via Wikimedia Commons.
