hydrological prognosis

例句：

1. 1.The hydrological prognosis for the next few days shows a slight increase in rainfall.
   未来几天的水文预报显示降雨量略有增加。
2. 2. The forecaster used advanced models to provide an accurate hydrological prognosis.
   预报员使用了先进的模型来提供准确的水文预报。
3. 3.The city's water supply is closely monitored to ensure that the hydrological prognosis remains positive.
   该市的供水情况受到密切监控，以确保水文预报保持积极。