跟进：台风Champi急升为四级台风 持续风速约130英里 预计周日清晨以约150英里风速掠过关岛南端

据关岛当地媒体援引联合台风警报中心（JTWC）数据，台风Champi周六（10月17日）急剧增强为四级台风。JTWC称，Champi目前持续风速约130英里/小时、阵风约161英里/小时，仍处于快速增强期；关岛时间周六16时，中心位于北纬12.5度、东经147.3度一带，约在关岛东南偏东140英里处，以约15英里/小时的速度向西北偏西方向移动。

预报显示，Champi预计于周日清晨4时至5时（关岛时间）从关岛南端近海掠过，届时风速可达约150英里/小时。这一强度明显高于本台今晨报道时的口径——当时其持续风速约85英里/小时、预报峰值风速105至120英里/小时。国家气象局关岛办公室发布的台风警告仍然生效，山洪警告有效至周日凌晨3时30分（关岛时间），沿海洪水警告有效至周一凌晨。

关岛自周六13时起进入最高戒备状态（COR 1）。当地应急官员表示，沿海和易涝地区的居民应撤往安全避难所，全体居民应在周六日落前进入坚固的钢筋混凝土建筑内避险，在官方宣布戒备状态下调之前不要外出，即使风雨暂时平息也不要外出。当地媒体称，周六傍晚关岛国际机场已录得时速42英里以上的阵风，破坏性大风预计当晚开始。

作为前情：关岛总督此前已下令全岛进入COR 1最高戒备，美国海岸警卫队周六晨关闭了关岛和北马里亚纳群岛的港口；预报降雨量6至12英寸，罗塔岛一带碎浪可达20至25英尺。台风警告覆盖关岛和罗塔岛，天宁岛和塞班岛处于热带风暴警告之下。

Follow-Up: Typhoon Champi Intensifies to Category 4 With 130 mph Winds, Expected to Pass South of Guam Early Sunday at About 150 mph

Typhoon Champi rapidly intensified into a Category 4 typhoon on Saturday, October 17, according to Joint Typhoon Warning Center (JTWC) data cited by Guam media. The JTWC said Champi currently has maximum sustained winds of about 130 mph with gusts to 161 mph and is continuing a period of rapid intensification. As of 4 p.m. Guam time on Saturday, the center was located near 12.5 degrees north latitude and 147.3 degrees east longitude, about 140 miles east-southeast of Guam, heading west-northwest at about 15 mph.

Champi is expected to pass just south of Guam between 4 and 5 a.m. Sunday, Guam time, with winds of about 150 mph — a marked upgrade from the roughly 85 mph sustained winds and forecast peak of 105 to 120 mph reported earlier Saturday. A typhoon warning issued by the National Weather Service office in Guam remains in effect, along with a flash flood warning until 3:30 a.m. Sunday Guam time and a coastal flood warning into early Monday.

Guam has been in Condition of Readiness 1, its highest readiness level, since 1 p.m. Saturday. Emergency officials said residents in coastal and flood-prone areas should evacuate to safe shelter, that all residents should be inside a sturdy, concrete-reinforced structure before sunset on Saturday, and that no one should go outside until the readiness condition is lowered, even if conditions temporarily appear calm. Local media reported gusts above 42 mph had already been recorded at Guam's international airport by Saturday evening, with damaging winds expected to develop overnight.

Earlier, Guam's governor placed the island in COR 1 and the U.S. Coast Guard closed ports in Guam and the Northern Mariana Islands on Saturday morning. Rainfall of 6 to 12 inches is forecast, with breaking surf of 20 to 25 feet around Rota. A typhoon warning covers Guam and Rota, while Tinian and Saipan are under a tropical storm warning.

来源：GSM·美国（原文链接）

图片来源：资料图：关岛哈加特纳一带海岸与礁湖，远处为杜梦湾。yuki5287 摄，CC BY 2.0，Wikimedia Commons。

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