SEAS5模式对黑龙江省夏季降水的预测性能评估

王昊, 马浩, 李永生, 刘长征, 姜雨函

Evaluation of the predictive performance of the SEAS5 model for summer precipitation in Heilongjiang Province

WANG Hao, MA Hao, LI Yongsheng, LIU Changzheng, JIANG Yuhan

图6 1993—2023年黑龙江夏季降水偏多年中SEAS5模式Sf3高技巧年观测（a、c、e）及模式预报（b、d、f）的200 hPa纬向风场距平（a、b，单位：m·s-1）、500 hPa位势高度场（等值线）及其距平（填色）（c、d，单位：gpm）及850 hPa水平风场（箭矢，单位：m·s-1）及涡度（填色，单位：10-6 s-1）距平（e、f）的合成分析 （紫色线为5 880 gpm位势高度气候态等值线，下同）

Fig.6 Composite analysis of 200 hPa zonal wind field anomalies (a, b, Unit: m·s-1), 500 hPa geopotential height field (the contour lines) and its anomalies (the color shaded) (c, d, Unit: gpm), 850 hPa horizontal wind field (arrow vectors, Unit: m·s-1) and vorticity (the color shaded, Unit: 10-6 s-1) anomalies (e, f) from observations (a, c, e) and SEAS5 Sf3 forecasts (b, d, f) for high-skill years with above-normal summer precipitation in Heilongjiang during 1993-2023 (The purple line represents the climatological 5 880 gpm geopotential height contour, the same as below)