Аннотация:Editor's note: This article is accompanied by a CD-ROM that contains the complete documentation of the NCEP-NCAR Reanalysis and all of the data analyses and forecasts. It is provided to members through the sponsorship of SAIC and GSC.*Environmental Modeling Center, National Centers for Environmental Prediction, Washington, D.C.+Department of Meteorology, University of Maryland, College Park, Maryland.#Climate Prediction Center, National Centers for Environmental Prediction, Washington, D.C.#National Center for Atmospheric Research, Boulder, Colorado.&Lawrence Livermore National Laboratory, Livermore, California, and European Centre for Medium-Range Weather Forecasts, Reading, United Kingdom.Corresponding author address: Dr. Eugenia Kalnay, Dept. of Meteorology, University of Maryland, 2213 Computer and Space Science Building, College Park, MD 20742-2425. E-mail: ekalnay@atmos.umd.edu