台风“竹节草”在上海沿海再次登陆，上海、江苏、浙江海况差

Core Points - Typhoon "Zhu Jie Cao" made landfall in Shanghai on July 30, 2023, as a tropical storm with maximum wind speeds of 9 levels (23 m/s) and a minimum central pressure of 978 hPa [1] - Significant wave heights of 3 to 4.5 meters were reported in the coastal waters of Shanghai and northern Zhejiang, with storm surges of 70 to 150 cm observed from Nantong, Jiangsu to Ningbo, Zhejiang [1] Wave Alerts - The National Marine Forecast Center issued an orange wave alert due to Typhoon "Zhu Jie Cao," predicting wave heights of 3 to 5.5 meters in the southern Yellow Sea and northern East China Sea from the night of July 30 to the daytime of July 31 [3] - Coastal waters near Shanghai are expected to experience wave heights of 3 to 5 meters, while southern Jiangsu and northern Zhejiang will see waves of 3 to 4.4 meters, with respective alert levels of orange and yellow [3] Storm Surge Alerts - A blue storm surge alert was issued, forecasting storm surges of 60 to 140 cm along the coast from Lianyungang, Jiangsu to Hangzhou Bay from the evening of July 30 to the daytime of July 31 [5] - Authorities are advised to prepare for storm surge defenses, including securing fishing vessels and reinforcing aquaculture facilities [5]