Please see this information for ds082.0, the source of this dataset. The first few paragraphs describe the model.


TYPES:

Operational
Gridded analyses
Synoptic
Surface analyses
Sea analyses
Oceanographic


COVERAGE:

Global coverage
Latitude / longitude grid
Northern hemisphere and Southern hemisphere are in separate grids. Information about the grid orientation is here.


UPDATES:

None

See DS083.1 for later analyses.


TIMES:

daily 12-hrly
at 00Z and 12Z


VARIABLES:

About 1991, NCEP acknowledged that the temperature is actually virtual temperature.

A humidity field problem is described here.

Some wind field problems are described here.

Sea surface temperatures, based on Navy analyses, begin 1979May16. For earlier analyses, see DS240.0.

Snow depth analyses begin 1979Jul25 and appear just once a week or so.

Surface elevation field from DS757.0.


VARIABLE / LEVEL TABLES:

Table of Levels and Variables
(in 1993: 14 grids max per hemisphere per analysis time)

    bound  theta u v rh
     1000  z t u v rh
      msl  slp
      sfc  sfcp sfct sst snow(weekly)