[Wrf-users] Do these VAR results look normal? -background error seem increasing.

[Abdullah Kahraman]

Hello,

After running wrfvar, I have the following cost_fn and grad_fn values.
Background errors seem increasing, isn't this some unexpected thing for an
assimilation?

Regards,
Abdullah KAHRAMAN
Istanbul Technical University
Department of Meteorology




Outer    EPS     Inner      J           Jb       Jo           Jc
Je         Jp
Iter             Iter
   1  0.100E-01     0   1330.654      0.000   1330.654      0.000
0.000      0.000
   1  0.100E-01     1   1192.440      3.507   1188.932      0.000
0.000      0.000
   1  0.100E-01     2   1135.046     10.494   1124.551      0.000
0.000      0.000
   1  0.100E-01     3   1107.064     18.346   1088.717      0.000
0.000      0.000
   1  0.100E-01     4   1097.412     22.466   1074.946      0.000
0.000      0.000
   1  0.100E-01     5   1089.968     26.775   1063.193      0.000
0.000      0.000
   1  0.100E-01     6   1086.380     29.538   1056.842      0.000
0.000      0.000
   1  0.100E-01     7   1083.551     32.328   1051.223      0.000
0.000      0.000
   1  0.100E-01     8   1081.911     34.356   1047.555      0.000
0.000      0.000
   1  0.100E-01     9   1080.408     36.694   1043.714      0.000
0.000      0.000
   1  0.100E-01    10   1079.996     37.447   1042.549      0.000
0.000      0.000
   1  0.100E-01    11   1079.709     38.023   1041.686      0.000
0.000      0.000
   1  0.100E-01    12   1079.522     38.441   1041.080      0.000
0.000      0.000
   1  0.100E-01    13   1079.348     38.885   1040.462      0.000
0.000      0.000
   1  0.100E-01    14   1079.274     39.096   1040.178      0.000
0.000      0.000
   1  0.100E-01    15   1079.217     39.278   1039.939      0.000
0.000      0.000


Outer    EPS     Inner      G           Gb       Go           Ge
Gp
Iter             Iter
   1  0.100E-01     0    104.371      0.000    104.371      0.000      0.000
   1  0.100E-01     1     43.578      2.649     43.658      0.000      0.000
   1  0.100E-01     2     32.406      4.581     32.729      0.000      0.000
   1  0.100E-01     3     26.256      6.057     26.946      0.000      0.000
   1  0.100E-01     4     17.494      6.703     18.734      0.000      0.000
   1  0.100E-01     5     11.674      7.318     13.778      0.000      0.000
   1  0.100E-01     6     11.721      7.686     14.017      0.000      0.000
   1  0.100E-01     7      7.221      8.041     10.808      0.000      0.000
   1  0.100E-01     8      6.672      8.289     10.641      0.000      0.000
   1  0.100E-01     9      4.975      8.567      9.907      0.000      0.000
   1  0.100E-01    10      4.032      8.654      9.547      0.000      0.000
   1  0.100E-01    11      2.293      8.720      9.017      0.000      0.000
   1  0.100E-01    12      2.437      8.768      9.101      0.000      0.000
   1  0.100E-01    13      1.535      8.819      8.951      0.000      0.000
   1  0.100E-01    14      1.586      8.843      8.984      0.000      0.000
   1  0.100E-01    15      1.002      8.863      8.920      0.000      0.000
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