浙江一次强雨雪过程大气环流特征及成因分析
许金萍, 刘琨, 李云

Atmospheric circulation characteristics and mechanism of a heavy rain and snow process in Zhejiang region
XU Jinping, LIU Kun, LI Yun
图4 2018年1月19—23日(a)、1月24—28日(b)及1月29日至2月7日(c)600 hPa风场(箭矢,单位:m·s-1)及垂直速度场ω(彩色填色区,单位:m·s-1),2018年1月24—28日119°E—123°E平均经向垂直环流距平(箭矢,单位:m·s-1,其中ω放大了100倍)及平均纬向风距平(彩色填色区,单位:m·s-1)(d)
Fig.4 The 600 hPa wind field (arrow vectors, Unit: m·s-1) and vertical velocity (color shaded area, Unit: m·s-1) from January 19 to 23, 2018 (a) , from January 24 to 28, 2018 (b) , from January 29 to February 7, 2018 (c) ,and meridional vertical circulation anomaly averaged over 119°E-123°E (arrow vectors,Unit: m·s-1, vertical velocity is magnified 100 times) and mean zonal wind anomaly (color shaded areas, Unit: m·s-1) from January 24 to 28, 2018 (d)