加利福尼亚州2025年水年开始时,由于气候变化和拉尼娜现象,干旱和洪水风险较高。 California's 2025 water year starts with high drought and flood risks due to climate change and La Niña.

加州的2025年水年始于10月1日, 官员们警告说, 气候变化造成极端天气波动, 71%的机会来自拉尼娜(La Niña), California's 2025 water year began on October 1 with officials warning of extreme weather volatility due to climate change and a 71% chance of La Niña, which typically brings drier winters. 尽管储油层水平有利,但平均109%的州级机构奥罗维尔湖正准备应对干旱和严重洪灾,部署了430多万个沙袋和191个洪水容器。 Despite favorable reservoir levels—Lake Oroville at 109% of average—state agencies are preparing for both drought and intense flooding, deploying over 4.3 million sandbags and 191 flood containers. 在过去三年中,地下水储存情况有所改善,加强监测有助于长期可持续性。 Groundwater storage has improved over the past three years, and enhanced monitoring supports long-term sustainability. 紧急备灾工作包括洪水应对培训和10月18日至25日的水灾防范周, Emergency preparedness efforts include flood response trainings and Flood Preparedness Week, October 18–25, as officials stress that there is no "normal" water year.