ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Climatic Facts of Gale Weather of Dandong
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Abstract:
The temporal and spatial characteristics of gale are analyzed by using the data for 26 years of surface wind of 4 autorecorded observational station s in Dandong，some significant results are obtained. The annual frequency of gale weather may be divided into three periods from 1980 to 2005， less than normal but variable from 1980 to 1991，high frequency period from 1992 to 1998，obvious ly decrease from 1999 to 2005，and obvious reducing trend after 1999.The gale weather occurs mostly in spring，especially in April，then in winder，and the least in summer and autumn. The wind direction is most in NNW and differen t in each season. The spatial distribution of gale is closely related to the to pography.The days of gale in the coastal observational stations are more than t hat in the mountains and the direction of most gales is in the south．The gale w eather is analyzed and divided into some patterns according to the characteristi cs of the main influential systems and weather situation by using synoptic metho d．
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