The main reason is that the updraft over the ice rain area is weak, and the vapor in the air is not saturated.
这主要是因为冻雨区的上升气流弱，高空水汽不饱和。
The rice yield loss in the torrential rain area of Fujian in 2007 was predicted and tested by means of the evaluation model.
利用评估模型对2007年福建暴雨发生区域的水稻单产进行灾损预估及检验。
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。
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。
Occasionally a microwave pulse reflected from a distant rain area may arrive at the radar after the radar has emitted the next pulse of microwave.
有些时候，当从遥远的雨区反射回来的微波到达雷达时，雷达已经再次发出脉冲。
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。
Liu Liping, Xu Baoxiang. 1992. Simulation and discussion of correcting microwave attenuation within rain area for dual linear polarization radar [J]. Plateau Meteor, 11 (3) : 235-240.
刘黎平，徐宝祥。1992。双线偏振雷达雨区衰减订正问题的模拟计算与讨论[J]。高原气象，11 (3)：235- 240。
Q-vector frontogenesis function analysis indicated that such circulation cell generated energy transforming system between torrential rain area and the distant westerly to the northeast.
矢量锋生函数计算分析表明，该环流圈形成了暴雨区与东北远距离的西风带系统之间的能量转换机制。
The larger risk degrees of drought, the flooding damage, wind-hail and frost appear are mainly in heavy summer drought area, heavy autumn continuous rain area, heavy hail area and heavy frost area.
就地区分布而言，干旱、洪涝、风雹、低温霜冻风险度最大的区域基本上出现在严重夏旱区、严重秋季绵雨区、严重冰雹区、严重霜冻区。
The larger risk degrees of drought, the flooding damage, wind-hail and frost appear are mainly in heavy summer drought area, heavy autumn continuous rain area, heavy hail area and heavy frost area.
就地区分布而言，干旱、洪涝、风雹、低温霜冻风险度最大的区域基本上出现在严重夏旱区、严重秋季绵雨区、严重冰雹区、严重霜冻区。
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