Mesoscale Parallel Experiment Log

Experiment Name
Eta-12 with reduced physics timestep
Parallel Slot
ETAX
Control Slot
Ops Eta-12
Start date of parallel experiment
00Z 2003/08/13, restarted from ops EDAS 00z 8/20
End date of parallel experiment
00Z 2003/09/09
Abstract (including Motivation, Hypothesis and Method)

The Eta-12 parallel system is being used to run a test with these changes to the Eta 3DVAR analysis:

  • Surface temperature data over land are excluded
  • Corrected an error which caused different amounts of radar wind to be selected, depending on the number of processors.
  • Added an an additional namelist parameter, delhour_sfc, which sets the time window for surface data. Its default value is .1, which limits the window to +/- 6min.

  • Experiment changes log
    Evaluation of parallel results
    Daily forecast maps
    Daily forecast stats
    Verification of precipitation and against rawinsondes / surface data

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