The monthly means of NCEP/NCAR Reanalysis (R1) products,
archived in ds090.0 dataset,
are extracted and reorganized into subgroups in this dataset. The groupings try to combine like and/or commonly used parameter-level data together. There are also subgroups for each of the four diurnal monthly means (means of 00Z, 06Z, 12Z, and 18Z separately).
The data files are in WMO GRIB format. Both the monthly means
and their variances are in the same file but in different GRIB
records. Examples of separating monthly means from variances
are shown in this guide.
All subgroups will be available on line under data.
The ones that are not on line yet will be moved over upon
request.
Temporal Range:
1948-01-01 00:00 +0000 to 2024-01-01 06:00 +0000
(Entire dataset)
Period details by dataset productPeriod details by dataset product1979-01-01 00:00 +0000 to 1987-01-01 00:00 +0000 (1979 monthly means of NOSAT runs)1948-01-01 00:00 +0000 to 2023-12-31 18:00 +0000 (Monthly means of Z,T,RH,U,V,W on pressure levels)1948-01-01 00:00 +0000 to 2023-12-31 18:00 +0000 (Monthly means of covariances of two variables)1948-01-01 06:00 +0000 to 2023-12-31 21:00 +0000 (Monthly means of diagnostic terms)1948-01-01 00:00 +0000 to 2024-01-01 06:00 +0000 (Monthly means of flux terms)1948-01-01 00:00 +0000 to 2023-12-31 18:00 +0000 (Monthly means of other variables on pressure levels)1948-01-01 00:00 +0000 to 2024-01-01 00:00 +0000 (Monthly means of variables at 00Z,06Z,12Z,18Z)1948-01-01 00:00 +0000 to 2023-12-31 18:00 +0000 (Monthly means of variables on isentropic levels)
Longitude Range: Westernmost=180W Easternmost=180E
Latitude Range: Southernmost=90S Northernmost=90N
Detailed coverage informationDetailed coverage information1.875° x ~1.904° from 0E to 1.875W and 88.542N to 88.542S (192 x 94 Longitude/Gaussian Latitude)1.875° x ~1.904° from 0E to 358.125E and 88.542N to 88.542S (192 x 94 Longitude/Gaussian Latitude)2.5° x 2.5° from 0E to 2.5W and 90N to 90S (144 x 73 Longitude/Latitude)2.5° x 2.5° from 0E to 357.5E and 90N to 90S (144 x 73 Longitude/Latitude)
Data Contributors:
DOC/NOAA/NWS/NCEP
National Centers for Environmental Prediction, National Weather Service, NOAA, U.S. Department of Commerce
Publications:
Kalnay, E., M. Kanamitsu, R. Kistler, W. Collins, D. Deaven, L. Gandin, M. Iredell, S. Saha, G. White, J. Woollen, Y. Zhu, M. Chelliah, W. Ebisuzaki, W. Higgins, J. Janowiak, K.C. Mo, C. Ropelewski, J. Wang, A. Leetmaa, R. Reynolds, R. Jenne, and D. Joseph, 1996: The NCEP / NCAR 40-year reanalysis project Bull. Amer. Meteor. Soc., 77, 437-471.
Total Volume:
51.51 GB
(Entire dataset)
Volume details by dataset productVolume details by dataset productMonthly means of diagnostic terms: 21.27 GBMonthly means of Z,T,RH,U,V,W on pressure levels: 3.03 GBMonthly means of other variables on pressure levels: 1.75 GBMonthly means of flux terms: 3.23 GBMonthly means of covariances of two variables: 2.07 GBMonthly means of variables at 00Z,06Z,12Z,18Z: 16.04 GBMonthly means of variables on isentropic levels: 3.56 GB1979 monthly means of NOSAT runs: 563.87 MB
Citation counts are compiled through information provided by publicly-accessible APIs according to the guidelines developed through the https://makedatacount.org/ project. If journals do not provide citation information to these publicly-accessible services, then this citation information will not be included in RDA citation counts. Additionally citations that include dataset DOIs are the only types included in these counts, so legacy citations without DOIs, references found in publication acknowledgements, or references to a related publication that describes a dataset will not be included in these counts.