The calculation of the geopotential tendency gives good indications in the forecasting of heavy rain area and the movement of low systems.

日常业务中计算500毫巴层位势倾向，在判断未来低值系统的移动和暴雨落区中，有一定指示意义。

youdao

Some results are obtained as follows: (1) The heavy rain area is expanded and heavy rain is enhanced by plateau terrain in the east of plateau.

由对数值模拟与试验的结果分析得出：（1）青藏高原地形有利于高原东麓暴雨区的扩大与强度加大。

youdao

Arid regions are often far from sea and ocean, the patterns of supply of water vapour to heavy rain area are generally different from those in humid regions.

干旱地区一般远离海洋，大降水天气过程的水汽供应方式往往有其特色。

youdao

Hail and heavy rain pelted the metro area to the point that emergency workers had trouble responding to "widespread" reports of injuries.

NPR: 2 Dead When Tornado Hits Oklahoma City Area

The Met Office has issued an amber warning for the West Midlands and said sleet and snow will spread across the area throughout the afternoon with heavy rain expected to follow overnight.

BBC: Snow in Coventry

The forecast for past several days has been terrible with warnings and advisories for gusting winds, heavy rain and ice and several inches of snow slated to blow into the Philadelphia area.

FORBES: Taxes From A To Z (2013): D Is For Disaster Relief