China's southwest provinces face high flood risk from extreme summer rains

China's central authorities convened a multi‑agency meeting on June 21 to coordinate flood‑control measures as a sustained heavy‑rain episode is forecast for June 21‑26 across the southwest and southern regions. The meeting highlighted that the Liūj River in the Pearl River basin has already reached the 2026 "Number 1" flood level, marking the first numbered flood of the year. Forecasts call for heavy to very heavy rain in Guizhou, Hubei, Hunan, Anhui and surrounding provinces, raising the risk of mountain‑stream floods, landslides, urban waterlogging and damage to tourist sites and rural infrastructure. Authorities plan intensified monitoring, early‑warning upgrades, pre‑emptive relocations, reinforcement of flood‑control works, and rapid deployment of rescue resources.

The Central Meteorological Observatory issued a suite of alerts—including orange rain warnings, blue strong‑convective weather warnings, and orange mountain‑stream disaster alerts—covering eight provinces. Meteorologists attribute the extreme rainfall to a stable subtropical high, vigorous southern convection and abundant moisture from the South China Sea and Indian Ocean monsoons, creating a concentrated rain band over the Yangtze basin. While the rain band is expected to shift southward after June 26‑27, provinces such as Chongqing, Guizhou, and parts of Hunan and Jiangxi will still face heavy rain and possible flash floods. Residents are urged to stay away from low‑lying and mountainous areas and heed ongoing warnings.