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National Centers for Environmental Prediction (NCEP, formerly the National Meteorological Center, NMC) Data

NCEP/NCAR Reanalysis

• Sigma Level Data
  • 6-Hourly Data
  • Monthly Means
• Pressure Level Data
  • 6-Hourly Data
  • Monthly Means
  • Long-Term Means

NMC Operational Analyses

NMC Initialized Data from 2.5 degree grid, 2 times daily

• Daily Data
• Monthly Means

Mass, Moisture and Energy Budget Products for NCEP Reanalysis

NCEP and ECMWF Oceanic and Atmospheric Transport Products

Historical Moisture Budget Products Derived from NMC Data (1987-1993)

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