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一、9711号台风、高潮情况1997年第11号台风于8月18日正面袭击浙江沿海,并于当天晚上9时30分在距离上海以南320km 的浙江省温岭市登陆,登陆时台风中心风力仍在12级以上,近中心最大风速40m/s,8级大风圈半径达450km。在台风侵袭期间(8月18～20日),上海市区阵风8～10级,郊区沿海11级。当时,正逢农历七月十六日至十八日大潮汛,由于受台风和天文潮影响,8月19日凌晨,黄浦江出现了历史最高潮位,黄浦公园站达5.72m(相当于五百年一遇),高出市中心地面2.50m 左右,
I. Typhoon 9710 Climax Situation Typhoon No. 11 of 1997 attacked the coastal area of Zhejiang on August 18 and landed at Wenling, Zhejiang Province, about 320km south of Shanghai on the same day at 9:30 p.m. Still more than 12, the maximum wind speed near the center of 40m / s, 8 gale radius of 450km. During the typhoon invasion (August 18 ~ 20), Shanghai gusts 8 to 10, 11 coastal suburb. At that time, coinciding with the tide of the Lunar New Year from July 16 to 18, due to typhoons and astronomical phenomena, on the early morning of August 19, the Huangpu River peaked at a historical high of 5.72m (equivalent to 500 Once in a year), 2.50m above the ground in the city center,