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NMC Initialized Data from 2.5 degree grid - 2 times daily
Missing data are replaced with ECMWF WCRP data.
SOURCE: Data Support Section Dataset ds082.0
2.5 degree grid
FORMAT: CCM2 History Tape
GRID: Global - T42 Gaussian (128 x 64)
LEVELS: (Pressure - mb)
1000,850,700,500,400,300,250,200,150,100,70,50
FIELDS: Description Name Units Levels
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Zonal Wind Component U m/s all
Meridional Wind Component V m/s all
Geopotential Height ZA m all
Temperature T K all
Relative Humidity RH percent all
Specific Humidity Q kg/kg all
Surface Pressure PS Pa surface
Surface Geopotential PHIS m^2/s^2 surface
Orography (surface type flag) ORO 0=ocean surface
1=land
2=sea ice
TIMES: 2 times daily: 00Z, 12Z
MSS Directory: /TRENBERT/CTNMC/
Filename: NT42yymmX where yy=year, mm=month,
X=A for the first 15 days of the month or
X=B for the remainder of the month.
15 days (30 time steps) per volume (though not always for end of month).
e.g. NT428701B contains data for 87,01,16,00Z through 87,01,31,12Z.
Current holdings: 1 January, 1987 - 31 December, 1994
Other Products Derived from this Dataset:
Missing Days and Comments on Data Quality
Please use the ccm2nc
software to convert ccm history tape format to netCDF.
References
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