The lag time of the flood peak behind the peak of heavy area rainfall is shorter in small river basins than that in large basins.

面雨量峰值出现时间与洪峰的出现时间之间存在着一定的滞后关系，一般是小流域滞后的时间短，而大流域滞后的时间长。

youdao

The structure, running, and function of the short range heavy area rainfall prediction system over the upper reaches of the Changjiang River are introduced, respectively.

介绍了长江上游流域短期强降水面雨量预报系统的结构、运行情况及功能。

youdao

Rainfall is plentiful in the area.

这个地区雨量充足。

《新英汉大辞典》

One important factor affecting the water quality is the area's temperature and rainfall, and Hunt's model is set up for the mid-Atlantic region of the United States.

VOA: standard.2010.08.04

His analysis of rainfall patterns in the area suggests that rainfall in agriculture's upper-Mesopotamian heartland would, at this time, have fallen below the level needed to sustain farming reliably.

ECONOMIST: Climate change and civilisation

Almost 10, 000 properties were flooded in Hull and the surrounding area after heavy rainfall in June 2007.

BBC: Yorkshire Water to appeal over pumping station plan

It was intended to help protect the whole of the South Reading and Kingsley Close area during heavy rainfall.

BBC: Flooding affects Reading houses despite new defences