Group 1 - The article discusses the impact of Typhoon "Butterfly" and subsequent weather conditions in Hangzhou, highlighting the transition to a sunny weather pattern while still being in the plum rain season, which poses risks of landslides and flash floods due to saturated soil and high water levels [1] - The Zhejiang Provincial Water Resources Department reported that the rainfall in the Qiantang River basin reached 68.9 millimeters in the last 48 hours, leading to the first flood of the year in the region, with water levels at the Lanxi station reaching the warning level of 28 meters [1] - Due to the continuous rainfall and upstream flood discharge, navigation on the main channel of the Fuchun River has been suspended, affecting cargo operations at the docks and halting the operations of five ferry terminals and sightseeing boats [1] Group 2 - The article provides safety tips for individuals in the event of flooding, advising them to seek shelter in safe buildings and move to higher ground while avoiding blind water crossings [2] - It emphasizes the importance of not driving through flooded areas and suggests waiting or taking alternative routes instead, along with specific actions to take if a vehicle becomes submerged [2] - For households experiencing flooding, immediate actions include cutting off all power and gas supplies to prevent electrical hazards or fire [3]