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The window may increase to (90W-70E;80N-20N) or even to a quarter-sphere (90W-90E;90N-0N).
Obviously the increased coverage would also mean longer download times and some extra processing for those wishing to use the original window.
Please mail me here: i.harris@uea.ac.uk with any comments or requests.
The reanalysis data are available for numerous meteorological parameters, as 6-hourly observations, and daily and monthly averages. They generally extend back from the present day to 1948, and cover the entire globe. For a full description of the project which sourced this data, you should visit the NCEP/NCAR CDAS, Reanalysis Project Home Page.
The source data were provided by the NOAA-CIRES Climate Diagnostics Center, who provide a full description of the data.
The work done at CRU has extracted spatial subsets of the data, and reformatted from netCDF to plain ASCII. All enquiries about the validity of the data, or its development, should be addressed to the CDC or NCAR.
Generic Information about the NCEP/NCAR Reanalysis data files on this site
Only daily and 6-hourly data sets are referenced here, for a single European window. Monthly data sets, and some alternative windows have been extracted, email for details (see contact information at foot of page).
ACCESS TO DATA SETS
PARAMETER | TYPE | DAILY | 6-HOURLY |
Air Temperature at 2m | Surface Flux | see new window | see new window |
Maximum Air Temperature at 2m | Surface Flux | see new window | see new window |
Minimum Air Temperature at 2m | Surface Flux | see new window | see new window |
Air Temperature | Pressure Levels | see new window | see new window |
Geopotential Height | Pressure Levels | see new window | see new window |
Precipitation Rate | Surface Flux | see new window | see new window |
Precipitable Water | Surface (see note) | see new window | see new window |
Relative Humidity | Pressure Levels | see new window | see new window |
Specific Humidity at 2m | Surface Flux | see new window | see new window |
Specific Humidity | Pressure Levels | see new window | see new window |
Sea Level Pressure (problem report here) | Surface | see new window | see new window |
U-Wind Component | Surface | see new window | see new window |
U-Wind Component at 10m | Surface Flux | see new window | see new window |
V-Wind Component | Surface | see new window | see new window |
V-Wind Component at 10m | Surface Flux | see new window | see new window |
Note: Precipitable Water, although classed as a Surface parameter, applies to the entire atmospheric column (hence, 'eatm' in the filenames).