海洋预报2024，Vol.41Issue(3)：90-97,8.DOI:10.11737/j.issn.1003-0239.2024.03.010
1949-2019年中心经过渤海的北上台风统计分析
Statistical analysis of typhoons moving northward through the Bohai Sea from 1949 to 2019
摘要
Abstract
Based on the best path data set of tropical cyclones of the China Meteorological Administration,automatic weather station data and conventional observation data,statistical analysis on 25 northward-movement typhoons passing the Bohai Sea from 1949 to 2019 are conducted,with the proportions categorized as tropical depression,tropical storm,strong tropical storm,and typhoon remnant being 44%,16%,28%,and 12%,respectively.48%,28%,and 24%of the typhoons weakened,remained unchanged,and strengthened after moving into the Bohai Sea,respectively.96%of the typhoons passing through the Bohai Sea occurred in July—August,of which 64%were from mid July to early August,and the number of typhoons in early August was the largest,accounting for 29%of the total.The maximum wind speed of the northward-movement typhoons was 10～30 m/s,and the average wind speed decreased by 2 m/s after moving into the sea.The minimum central pressure of the typhoons was 970 hPa,the maximum central pressure was 1004 hPa,and the average central pressure was 992 hPa.88%of the northwestward-movement typhoons weakened after moving into the Bohai Sea,87.5%of the northward-movement typhoons remained unchanged after moving into the Bohai Sea,and 83.3%of the northeastward-movement typhoons strengthened after moving into the Bohai Sea.关键词
北上台风/统计分析/聚类分析/渤海/预报指标Key words
northward typhoon/statistical analysis/cluster analysis/Bohai Sea/forecast index分类
天文与地球科学引用本文复制引用
朱男男,王科,胡田田,赵玉娟,孙晓磊..1949-2019年中心经过渤海的北上台风统计分析[J].海洋预报,2024,41(3):90-97,8.基金项目
国家自然科学基金(41675046) （41675046）
国家重点研发计划重点专项(2019YFC1510100) （2019YFC1510100）
环渤海区域科技协同创新基金项目(QYXM-202210). （QYXM-202210）
