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Real data experiments with a fourth order version of the operational seven-layer model
Filetype[PDF-1.65 MB]


Details:
  • Personal Authors:
    Campana, Kenneth A.
  • Corporate Authors:
    National Meteorological Center (U.S.)
  • Keywords:
  • Description:
    "There are several techniques available which reduce space truncation error in grid point atmospheric models. Two of them have been used in the seven-layer primitive equation model (7L PE) at NMC. The first one uses a finer grid mesh to obtain more accurate resolution of meteorological waves- the smaller grid spacing also makes the finite differences closer approximations to the continuous equations. By changing grid distance from 1 bedient (381 km at 60°N) to ¹/₂ bedient, the operational hemispheric 7L PE model has successfully reduced the effects of spatial truncation error - translational speeds of meteorological waves have been improved and both locked-in error and cross contour flow problems have been reduced"--Introduction.

  • Document Type:
    Professional Paper
  • Collection(s):
    National Weather Service (NWS)
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