2024年7—9月浙江省极端高温成因分析
胡跃鹏, 赵军平, 刘汉华, 付远, 孙善磊, 宋子祎

Analysis on causes of extreme high temperature in Zhejiang Province during July-September in 2024
HU Yuepeng, ZHAO Junping, LIU Hanhua, FU Yuan, SUN Shanlei, SONG Ziyi
图4 2024年7—9月和气候平均态500 hPa位势高度5 880 gpm等值线(a)与同期100 hPa位势高度16 760 gpm等值线(b),2024年7—9月的200 hPa纬向风距平(c,单位:m·s-1;打点区表示超过1991—2020年第90百分位数),1980—2023年7—9月浙江省高温日数回归的200 hPa纬向风距平(d,单位:m·s-1;打点区表示置信水平为90%)
Fig.4 The 500 hPa geopotential height contour of 5 880 gpm (a) and the 100 hPa geopotential height contour of 16 760 gpm (b) during July?September in 2024 and the climatological mean states, the anomalies of 200 hPa zonal wind during July-September in 2024 (c, Unit: m·s-1; the dotted area exceeding the 90th percentile during 1991-2020), and the July-September 200 hPa zonal wind regressed with the high-temperature days in Zhejiang Province during 1980-2023 (d, Unit: m·s-1; the dotted area indicates a confidence level of 90%)