It is found that the zonal wind components (meridional wind components) and the shears are smaller(greater) in clear day than those in cloudy day in August.

• 结果发现：在夏季8月，上述地区东西分量风速（切变）晴天均比阴天小，安多地区盛行偏西风，那曲地区盛行偏东风；