Re: ECMWF operational analysis (2)

Thx! sk On Monday, April 7, 2014 8:02 PM, Dennis Shea <shea_at_ucar.edu> wrote: http://www.ncl.ucar.edu/Applications/ Under 'Data Analysis' Click: Complex Coefficients (GRIB) http://www.ncl.ucar.edu/Applications/wind.shtml Divergent and Rotational Wind Components add them to get 'total wind' On 4/6/14, 8:37 AM, sk wrote: > Hi, > This is an old thread but unfortunate all the link in the previous one doesn't work anymore. So i want to reconstruct wind field from spherical harmonics coefficients and would like to see some ncl working examples. > BTW maybe it will be easier to download post processed ECMWF operational analysis dataset on the regular 0.225x0.225 grid instead working with the original dataset? > > > >  u_g = a->U_GDS50_ISBL(k,:,:,:) >  print(u_g) > > > Variable: u_g > Type: float > Total Size: 5120000 bytes >              1280000 values > Number of Dimensions: 3 > Dimensions and sizes:    [real_imaginary | 2] x [g50_lat_4 | 800] x [g50_lon_5 | 800] > Coordinates: > Number Of Attributes: 12 >    initial_time0_hours :    1817184 >    center :    European Center for Medium-Range Weather Forecasts (RSMC) >    long_name :    U velocity >    units :    m s**-1 >    _FillValue :    1e+20 >    level_indicator :    100 >    gds_grid_type :    50 >    parameter_table_version :    128 >    parameter_number :    131 >    level :    200 >    forecast_time :    0 >    forecast_time_units :    hours > > > Thank you!! > sk > > > > _______________________________________________ > ncl-talk mailing list > List instructions, subscriber options, unsubscribe: > http://mailman.ucar.edu/mailman/listinfo/ncl-talk >

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Received on Tue Apr 08 01:44:30 2014