2009•Anhui nongye kexueRequires access
Diagnostic Analysis on a Heavy-hard Rain Weather Process in North Xinjiang in Spring 2009
Xu Wang
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Abstract
A heavy-hard rain weather process appeared in north Xinjiang in 28-29 of April in 2009.The heavy rain area appeared from Urumchi to Mulei.The weather process was caused by east movement of deep low trough in high altitude and strong shear of northwest and southwest wind at trough bottom.The aggregation thickness of the vapor in heavy rain area was thickened by west and south vapor.The ascending motion and surface weather systems in heavy rain area were strengthened by secondary circulation that excited by upper level jet.