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NCEP NARR

A high resolution (32km x 29 pressure levels) data set focused upon the North American Region. Relative to the NCEP-DOE (R2) it has a much improved land-hydrology, diurnal cycle and land-atmosphere interaction. As such, it can be considered a second generation reanalysis. A unique feature is the direct assimilation of observed precipitation.

Years of Record

1979/01 to 2022/01
temporal metadataID:
oai:edu.ucar.rda:ds608.0

Formats

Timestep

Climatology | Sub-daily | Monthly

Data Time Period Extended?

yes, data set is extended

Domain

North America

Spatial Resolution

32km

Missing Data Flag

spatially complete

Data Assimilation Method

3DVAR

Model Resolution used to create reanlaysis

32km x 45 eta

Model Vintage (reanalysis)

2003

Input Data

standard reanalysis sources; precipitation, TOV-1B radiances

Earth system components and main variables

Atmosphere, Air Temperature, Geopotential Height, Precipitable water, Land

Data Access: Please Cite data sources, following the data providers' instructions.

  1. NCEP NOMADS
  2. NOAA ESRL
  3. NCAR Research Data Archive NARR data products

Key Figures

Click the thumbnails to view larger sizes

Thumbnails

Captions
Climate Data Guide Image NARR daily precipitation for April 11, 1979. Data are plotted on a Lambert Conformal projection. The values are the mean of eight 3-hourly values. (Climate Data Guide; D. Shea)
Climate Data Guide Image NARR daily mean temperature for April 11, 1979. Data are plotted on a Lambert Conformal projection. The values are the mean of eight 3-hourly values. (Climate Data Guide; D. Shea)

Cite this page

National Center for Atmospheric Research Staff (Eds). Last modified 09 Jan 2022. "The Climate Data Guide: NCEP NARR." Retrieved from https://climatedataguide.ucar.edu/climate-data/ncep-narr.

Acknowledgement of any material taken from this page is appreciated. On behalf of experts who have contributed data, advice, and/or figures, please cite their work as well.

NCEP NARR

A high resolution (32km x 29 pressure levels) data set focused upon the North American Region. Relative to the NCEP-DOE (R2) it has a much improved land-hydrology, diurnal cycle and land-atmosphere interaction. As such, it can be considered a second generation reanalysis. A unique feature is the direct assimilation of observed precipitation.

1979-01/2022-01