Group 1 - Zhejiang province has recently experienced heavy rainfall due to the residual cloud systems from Typhoon "Butterfly" combined with cold air, leading to the first numbered flood of the year in the Qiantang River [1] - Rainfall data from June 15 to June 16 indicates a significant impact, with an average precipitation of 43 mm across the province, and specific areas like Chuzhou receiving 70 mm and Hangzhou 55 mm [1] - The Qiantang River basin recorded a total rainfall of 68.9 mm in the last 48 hours, prompting flood warnings and the issuance of blue and yellow flood alerts for various regions [1] Group 2 - The Hangzhou Water Public Sightseeing Bus Company announced the suspension of operations for water bus lines 1, 2, 3, and 7 to ensure the safety of navigation due to the flooding situation, with resumption dependent on water level conditions [2]

Group 1 - The heavy rainfall in Hangzhou has led to the activation of a Level IV flood emergency response by the municipal flood control command on June 10, with warnings issued for multiple areas including JianDe, TongLu, and FuYang [3][9] - The West Lake's main outlet, the Shengtang Gate, has been opened to release water, maintaining the lake's water level at 7.20 meters, which is considered normal [3][9] - Public transport services, including water buses and sightseeing boats, have been suspended due to high water levels affecting navigation safety, with resumption dependent on water level conditions [3][9] Group 2 - The Zhejiang provincial government issued its first provincial flood warning of the year on June 10, indicating potential flooding in the Jiaxing hydrological station area due to concentrated rainfall [7][8] - The flood warning system categorizes alerts into four levels: blue, yellow, orange, and red, with blue indicating a near-warning water level and red indicating a potential record high water level [7][8] Group 3 - The Hangzhou city management has deployed over 5,900 personnel and inspected 188 key points to monitor and address flooding risks, successfully managing 29 instances of short-term water accumulation [9][10] - The city is maintaining a high level of vigilance during the critical flood season, ensuring all necessary measures are in place for flood control and drainage [10] Group 4 - A new national meteorological observation station has been put into operation on the top of Cold Mountain, enhancing the weather monitoring network and supporting disaster prevention efforts [11] - The reconstruction of the Lujia Water Gate in the Pingyao Town has been completed, improving flood drainage capabilities with advanced automated control systems [11]