"Classic" NCEP Monthly Means

SOURCE: Data Support Section Dataset ds082.0

DATA DESCRIPTION: Derived from the 2.5 degree, 2 times daily NCEP Global Analyses.

UPDATED THROUGH: Dec 1994

FORMAT: CCM2 History Tape

GRID: Global - T42 Gaussian (128 x 64)

LEVELS: (Pressure) 1000,850,700,500,400,300,250,200,150,100,70,50

TIMES: One mean per month.

CURRENT HOLDINGS: Jan 1987 - Dec 1994

FIELDS:

Description Name Units Levels
Zonal Wind Component U m s-1 all
Meridional Wind Component V m s-1 all
Geopotential Height ZA m all
Temperature T K all
Relative Humidity RH % all
Specific Humidity Q kg kg-1 all
Surface Pressure PS Pa surface
Surface Geopotential PHIS m2 s-2 surface
Orography (surface type flag) ORO

o=ocean

1=land

2=sea ice

 

Plus the following covariances:

UUP,VVP,ZZP,TTP,RHP,QQP,PSP,UVP,UTP,VTP,UQP,VQP,UZP,VZP

MSS Directory: /TRENBERT/CTNMC/TAV/

Filename: NT42yymmM where yy=year, mm=month, one month per volume.

e.g. NT428701M for January 1987.


Missing Days and Comments on Data Quality

Please use the ccm2nc software to convert ccm history tape format to netCDF.

References