桂平市20年大风天气气候统计分析  

Statistical Analysis of Gale Weather and Climate in Guiping City during Recent 20 Years

作　　者：杨玉静 杨志华 农国傲 曾海云 

机构地区：[1]广西桂平市气象局,广西桂平537200 [2]广西陆川县气象局,广西陆川537700

出　　处：《气象研究与应用》2017年第1期47-49,共3页Journal of Meteorological Research and Application

摘　　要：对1995-2014年桂平大风天气资料进行统计分析。结果显示:年平均大风日为10d,最多年出现在1998年,为26d,最少年出现在2014年,为0d,2000年开始大风日数波动下降趋势;月大风日数基本上集中在4-9月汛期时间,总日数占过去20年总大风日数的93%,大风日数最多的月份是7月,最少的为12月,为0次;日内大风主要出现在14时-19时之间,占72%;有2个风向的大风日数较为突出,分别为SW、SSW,20年平均大风日数分别达到了40次和53次。根据这些结果总结规律,为桂平对大风灾害天气防范提供决策依据。Based on the statistical analysis of Guiping windy weather data from 1995 to 2014., the results show that the average annual winds are 10 days, the most appearing in 1998, for 26 days, the least years in 2014, for 0d, the number of wind days has begun to decline since 2000; the monthly number of wind days is basically concentrated in the 4-9 months （flood season） , accounting for 93% of the total number of winds in the past 20 years, the month with the largest number of wind days is July, the least being December （0 times） daily wind mainly is between 14：00 to 19：00 occupying 72% in total; Tbe wind days are mainly concentrated in two, respectively, SW, SSW, the average number of wind days were 40 times and 53 times during 20 years.

关 键 词：大风天气 统计分析 防灾减灾 

分 类 号：P49[天文地球—大气科学及气象学]