Climatic Characteristic of Autumn Drought In Guangxi 2004

This paper compares the meteorological data of the year 2004 (September-November) with those of the past 15 years during 1989-2003 by means of the daily precipitation, 500hpa average height field , the characteristic elements of west Pacific Ocean subtropical high , the circulation characteristic and the cold front activity times. It finds that the cold fronts are active and most of them pass Guangxi in the form of proliferation, the subtropical high is weak, and the west wind belt strengthens. These are the typical climatic characteristic of the autumn drought in 2004.