GRIB | Level| Level| Level| metgrid  |  metgrid | metgrid                                  |
Code | Code |   1  |   2  | Name     |  Units   | Description                              |
-----+------+------+------+----------+----------+------------------------------------------+
  11 | 100  |   *  |      | TT       | K        | Temperature                              |
  33 | 100  |   *  |      | UU       | m s-1    | U                                        |
  34 | 100  |   *  |      | VV       | m s-1    | V                  (from pgb file)       |
  52 | 100  |   *  |      | RH       | %        | Relative Humidity                        |
  7  | 100  |   *  |      | HGT      | m        | Height                                   |
  11 | 105  |   2  |      | TT       | K        | Temperature        (from  flx file)      |
  52 | 105  |   2  |      | RH       | %        | Relative Humidity  (from  flx file)      |
  51 | 105  |   2  |      | SPECHUMD | kg kg-1  |                                          |
  33 | 105  |  10  |      | UU       | m s-1    | U                  (from  flx file)      |
  34 | 105  |  10  |      | VV       | m s-1    | V                  (from  flx file)      |
   1 |   1  |   0  |      | PSFC     | Pa       | Surface Pressure   (from  flx file)      |
   1 | 102  |   0  |      | PMSL     | Pa       | Sea-level Pressure (from  pgb file)      |
  65 |  1   |   0  |      | SNOW     | kg m-2   | Water Equiv of Accum Snow Depth  (flx)   | 
     |  1   |   0  |      | SNOWH    | m        | Physical Snow Depth                      |
  11 |  1   |   0  |      | SKINTEMP | K        | Sea-Surface Temperature (from  flx file) |
  11 | 112  |   0  | 10   | ST000010 | K        | T of 0-10 cm ground layer  (flx file)    |
  11 | 112  |  10  | 200  | ST010200 | K        | T of 10-200 cm ground layer (flx file)   |
 144 | 112  |   0  | 10   | SM000010 | fraction | Soil Moisture of 0-10 cm gnd layer (flx) |
 144 | 112  |  10  | 200  | SM010200 | fraction | Soil Moisture of 10-200 cm ground layer  |
  81 |  1   |   0  |      | LANDSEA  | proprtn  | Land/Sea flag                (flx file)  |
   7 |  1   |   0  |      | SOILHGT  | m        | Terrain from source analysis (from pgb)  | 
-----+------+------+------+----------+----------+------------------------------------------+
#
#
#
#  NCEP/DOE Reanalysis (Reanalysis-2)  2.5 degree, 17-levels (1000 to 10 hPa) plus sfc
#  also called R2, CDAS2, NCEP2
#
#  Sea-level pressure is incorrectly coded in the grib file (it should be grib code 2 
#  not grib code 1).
#
#  http://nomad3.ncep.noaa.gov/ncep_data/
#  http://www.cpc.ncep.noaa.gov/products/wesley/reanalysis2/index.html
#  http://dss.ucar.edu/datasets/ds091.0/
#  mss:/DSS/DS091.0/