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
        ---------------------------------------------------------
	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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