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3D-Var Parameter Tuning
parameter old new description of parameter
bscalet 1.4 1.96 temperature background error amplitude
bshrinkt 2.42 3.092 temperature background error horizontal correlation length
bscalepsi 3.0 2.576 stream function background error amplitude
pshrinkchi .85 .766 potential function background error vertical correl.length
pshrinkt .675 .739 temperature background error vertical correlation length
errgeo0 1.0 .956 thermal wind background error amplitude
bshrinkq 1.5 1.436 moisture background error horizontal correlation length
bshrinkpsi 2.2 2.288 stream function background error horizontal correl. length
pshrinkq .45 .462 moisture background error vertical correlation length
pshrinkpsi .765 .745 stream function background error vertical correl. length
bscaleq .85 .87 moisture background error amplitude
bscalechi .4 .392 potential function background error amplitude
bscalepred 1. 1.02 radiance bias corrector background error amplitude
bscaleh 1.5 1.476 reference height background error amplitude
bshrinkh 2.2 2.18 reference height background error horizontal correl.length
bshrinkchi 2.2 2.204 potential function background error horiz. correl. length
errhgeo0 1.0 1.0 reference level geostropy background error amplitude
Current (warm season) real-time parallel seems to be performing well with these current numbers, but will benefit from another iteration.