Studies on the Impacts of 3D-VAR Assimilation of Satellite Observations on the Simulation of Monsoon Depressions over India - Data Assimilation for Atmospheric, Oceanic and Hydrologic Applications - page 651

Table 26.1 Root mean square error of wind speed profiles averaged over the domain for 19-22 September 2006 depression

20 September 2006 12 UTC 21 September 2006 12 UTC 22 September 2006 12 UTC

Pressure levels (hPa) CTRL ATOVS MODIS SSM/I CTRL ATOVS MODIS SSM/I CTRL ATOVS MODIS SSM/I

950 4.31 4.62 5.51 4.44 6.97 5.42 6.19 6.31 5:54 5:44 4:40 6:11

920 4.76 4.65 5.33 4.74 7.41 5.73 6.78 7.02 5:32 5:11 4:07 5:87

850 6.95 6.12 6.40 7.05 5.71 6.01 5.08 5.75 3:78 5:26 2:28 4:86

780 5.78 5.04 5.35 6.35 4.86 6.72 4.23 5.78 5:18 5:91 4:10 6:15

700 4.83 5.06 4.12 4.94 4.70 6.38 3.98 4.74 4:68 5:58 5:72 5:51

500 4.19 3.85 4.57 4.24 6.29 3.01 6.14 6.28 20:98 17:52 22:14 19:71

400 3.83 4.63 4.40 5.37 5.59 4.68 5.50 5.43 4:09 5:43 4:90 5:04

300 5.49 4.24 4.54 5.93 5.35 4.85 4.55 5.73 4:28 3:71 5:82 4:21

200 4.57 6.98 7.16 5.47 5.06 3.15 5.83 4.73 4:77 3:34 6:21 4:96