AIRS data assimilation with WRFDA 3.2

Issues with running 3DVAR.

AIRS data assimilation with WRFDA 3.2

Postby hnlim » Tue Jun 01, 2010 6:23 pm


Has anyone had experience in performing AIRS assimilation using WRFDA 3.2 with RTTOV8.7 as the forward model?
I am running into issues of non convergence and negative cost function.
I had tried assimilating AMSU A/B data using the system and it works fine. But when I add in AIRS data, the above problem arise.

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