大暴雨、特大暴雨，要来了

Group 1 - The Central Meteorological Administration issued a yellow rainstorm warning, predicting heavy rain in various regions including eastern and southern Sichuan, southern Shaanxi, western Henan, and parts of Hainan Island, with localized extreme rainfall expected to reach 250-280 mm [2][4] - The warning indicates that short-term heavy rainfall may occur, with maximum hourly rainfall of 20-50 mm, and localized areas possibly exceeding 60 mm, along with thunderstorms and strong winds [2][4] Group 2 - A yellow typhoon warning was issued for Typhoon "Bolaoi," which was located approximately 255 km southeast of Sanya, Hainan, with maximum wind speeds of 12 levels (35 m/s) and a minimum central pressure of 970 hPa [6][12] - The typhoon is expected to move northwest at a speed of 25-30 km/h, strengthening as it approaches the northern coast of Vietnam, where it is forecasted to make landfall as a typhoon [6][12] - Wind forecasts indicate that from 08:00 on September 28 to 08:00 on September 29, areas including the South China Sea and Hainan Island will experience winds of 6-8 levels, with gusts reaching 9-10 levels, and localized areas may see winds of 11-13 levels [7][12]