Core Viewpoint - Zhejiang Province has initiated a Level IV flood emergency response due to heavy rainfall and the overflow of water levels in major reservoirs, with significant rainfall expected from June 15 to 16 [1][2][3] Group 1: Weather Conditions - A wide range of thunderstorms occurred in Zhejiang on June 14, with localized heavy rainfall and strong convective weather, including winds of 8 to 10 levels [2] - Rainfall from 8 AM on June 14 to 8 AM on June 15 exceeded 100 mm in 39 towns, with the highest recorded at 146 mm in Ningbo [2] - Meteorological departments predict localized heavy rain in several cities including Hangzhou, Jinhua, and Ningbo on the afternoon and night of June 15 [2][3] Group 2: Flood Response and Impact - As of June 15, 11:15 AM, 21 large and medium-sized reservoirs in Zhejiang exceeded flood control water levels, prompting the release of water from Yuhang Siling Reservoir to ensure safety [2] - The flood blue warning was issued for the Hangjiahu Plain, affecting areas including Hangzhou and Jiaxing, with a warning period from June 15 to 16 [2] - The risk of geological disasters, urban flooding, and small stream flash floods is heightened due to overlapping heavy rainfall areas [3]