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.