高分辨率WRF快速循环同化预报系统对北京强降水个例的数值试验.pdf

WRF 1 2 2 1 1 2 12 NCAR 3km (AWS)/GPS GPSPW 2008 WRF WRFVar WRF3km 33h rapid update cycle 0681 1 1 0681 143.8mm 1718 BJT 132.4mm 55mm 1719 BJT 2 2 5 16 2 81 08:58UTC 81 0612UTC 2 Cycle 3cycle 0681 00Z 03Z/06Z/09Z33hGTS AWS GPS GPSPW 1h 12hWRF 27-9-3km 3km WSM6Thompson KFYSU PBL5RRTMDudhia 3 BES NMC12h24h1 0 109Z11h 0.5h 3 3 BES BES 9km 3km Desroziers and Ivanov 200 13kmWRF GPSPW GPSPW1cycle 121 1 exp5 3h cycle, 27-9-3km domains, AVN FCST as BC(3h interval), WSM6, var_ scaling=1 exp6 1h cycle, WSM6, var_ scaling=1 exp7 3h cycle, Thompson (mp=8), var_scaling=1 exp8 The same as exp7, except var_ scaling=0.75 exp9 The same as exp7, except var_ scaling=0.5 exp10 The same as exp7, except var_ scaling=0.25 exp11 The same as exp7, except var_ scaling=0 exp12 1h cycle, Thompson, var_scaling=0.5 exp13 1h cycle, WSM6,var_scaling=0.5 exp14 1h cycle, WSM6, var_ scaling=1, OBS error tuning exp15 3h cycle, Thompson (mp=8), var_scaling=0.5, NOGPS exp16 3h cycle, Thompson (mp=8), Interpolated-BE ,var_ scaling=0.5, len_scaling=1.732 1 exp5 vs. exp63h cycle1h cycle 2 exp7-113kmvar_scaling= 10.5 3 exp9 vs. exp 163km BES3km BES 4 exp6 vs. exp 14 5 exp9 vs. exp 15GPSPW exp56cycleexp7-11 3kmvar_scaling exp916 3km 9km3km