NCEP/NCAR REANALYSIS FOR M-PACE FIELD CAMPAIGN

The major objective of the Mixed-Phase Arctic Cloud Experiment (M-PACE) is to collect a focused set of observations needed to advance our understanding of the dynamics and processes in mixed-phase arctic clouds, including cloud microphysical processes and radiative transfer through these clouds.
The M-PACE will consist of 4 surface based sites located in the North Slope of Alaska, including the 2 DOE-ARM NSA sites Barrow and Atqasuk supplemented by another remote sensing site at Oliktok Point and a radiosonde site in the interior. The Oliktok Point site will be equipped with an ARM-like remote sensing facility, supplemented by a tethered balloon equipped with basic met. Aircraft equipped with the full complement of microphysical and radiation instruments will document cloud properties between these four points.
The University of North Dakota Citation will be the in situ platform, while the DOE-ARM UAV will serve as a high-flying remote sensing platform. In addition to its standard set of microphysical measurement systems, the Citation will be equipped with the NCAR CCN counter and the CSU IN counter, while the UAV will have downward looking cloud radar, lidar and S-HIS in addition to its complement of in situ microphysical measurement systems.

The data presented here are from 27 Sep 2004 to 22 Oct 2004 and cover a region from 65N to 75N latitude and from 160W to 145W longitude.

Selected variables from the NCEP/NCAR Reanalysis are available here for display as GIF images, or for downloading to your local disk. If you are downloading data, please see the browse data format description. Also take note of the version and reference information. The full documentation for the NCEP/NCAR Reanalysis data can be found at the NCEP/NCAR Reanalysis webpage.

If you are downloading multiple files, please use the GCSS-DIME ftp site (ftp gcss-dime.giss.nasa.gov/pub/MPACE/NCEP).

NOTE: On March 2008 an error was found in the subsetted NCEP data files, where all the daily data (four 6-hourly files) for a specific day/variable were actually extracted from the UTC 00 data. Hence 6-hourly data for a specific day/variable had the same UTC 00 values. This set was corrected and now the accurate data is available from the ftp site mentioned above.

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**300 mb maps are only available for humidity variables while 200 mb maps are available for all other variables.

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Last updated: 2008:03:21 @ 13:05:14