Google 在 Flood Hub 上线城市山洪预报,提前 24 小时预警
Google 宣布在 Flood Hub 上线城市山洪预报,可提前最多 24 小时预测城市山洪风险。该模型用 Groundsource 方法借助 Gemini 从公开新闻报道中提取历史山洪事件作为训练数据,弥补地面观测站缺失,输入仅依赖全球气象产品与 ECMWF、Google DeepMind 的天气预报,当前空间分辨率为 20x20 公里,覆盖人口密度大于每平方公里 100 人的区域。Google 称在南美、东南亚等全球南方地区,模型的精确率与召回率与富裕国家相当,并计划继续提升对农村地区的泛化能力。

Protecting cities with AI-driven flash flood forecasting March 12, 2026 We’re expanding our global flood forecasting coverage with the roll-out of flash flood predictions in urban areas. Using a novel AI training method based on news data, we provide up to 24 hours advance notice for these rapid-onset events. This expansion is a critical step to enhancing global climate resilience and keeping communities safe. According to the World Meteorological Organization (WMO), flash floods account for app
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