NCEP Reanalysis Daily Averages Pressure Level
Entry ID: noaa_cdc032

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Summary
Abstract: The NCEP/NCAR Reanalysis project is using a state-of-the-art
analysis/forecast system to perform data assimilation using past data
from 1948 to the present. A large subset of this data is available
from CDC in its original 4 times daily format and as daily averages.
However, the data from 1948-1957 is a little different, in the regular
(non-Gaussian) gridded data. That data was done at 8 times daily in
the model, because the inputs available in that era were available at
3Z, 9Z, 15Z, and 21Z, whereas the 4x daily data has been available at
0Z, 6Z, 12Z, and 18Z. These latter times were forecasted and the
combined result for this early era is 8x daily. The local ingestion
process took only the 0Z, 6Z, 12Z, and 18Z forecasted values, and thus
only those were used to make the daily time series and monthly means
here. Please read the problem list before using the data. The
NCEP/NCAR Reanalysis descriptions here are subdivided into separate
data sets These are currently: Pressure Level Data Surface Data
Surface Flux Data Other Flux Data Tropopause Level Data T62 Spectral
Coefficients You can now search the NCEP/NCAR Reanalysis data by
selecting one of these links: Search all of the NCEP/NCAR Reanalysis
available at CDC. Search the NCEP/NCAR Reanalysis 4x daily data
available at CDC. Search the NCEP/NCAR Reanalysis daily average data
available at CDC. Search the CDC products derived from the NCEP/NCAR
Reanalysis including monthly and long-term means.

NOAAServer Codes: [POL 90 -90 180 -180] ; nodateline preview obtain


Purpose: Scientific research.

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Link: GET DATA
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Geographic Coverage
 N: 90.0 S: -90.0  E: 180.0  W: -180.0

Data Set Citation
Dataset Originator/Creator: NOAA-CIRES Climate Diagnostics Center
Dataset Title: NCEP Reanalysis Daily Averages Pressure Level
Dataset Release Date: 2001-11-04
Dataset Release Place: Boulder, CO
Dataset Publisher: NOAA-CIRES Climate Diagnostics Center
Online Resource: http://www.cdc.noaa.gov/data/gridded/data.ncep.reanalysis.pressure....


Temporal Coverage
Start Date: 1948-01-01
Stop Date: 2001-11-04


Location Keywords
GEOGRAPHIC REGION > GLOBAL


Science Keywords
ATMOSPHERE >ALTITUDE >GEOPOTENTIAL HEIGHT    [Definition]
ATMOSPHERE >ATMOSPHERIC TEMPERATURE >AIR TEMPERATURE    [Definition]
ATMOSPHERE >ATMOSPHERIC WATER VAPOR >HUMIDITY >RELATIVE HUMIDITY    [Definition]
ATMOSPHERE >ATMOSPHERIC WATER VAPOR >HUMIDITY >SPECIFIC HUMIDITY    [Definition]
ATMOSPHERE >ATMOSPHERIC WATER VAPOR >WATER VAPOR    [Definition]
ATMOSPHERE >ATMOSPHERIC WINDS >SURFACE WINDS    [Definition]
ATMOSPHERE >ATMOSPHERIC WINDS >UPPER LEVEL WINDS    [Definition]


ISO Topic Category
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE


Access Constraints
None.


Use Constraints
None. Acknowledgement of CDC would appreciated in products derived
from these data.


Keywords
NCEP Reanalysis Daily Averages Pressure Level [POL 90.00 -90.00 180 -180]
Omega (dp/dt)
u-wind
v-wind


Data Set Progress
COMPLETE


Data Center
Climate Analysis Branch, Physical Sciences Division, Earth System Research Laboratory, OAR, NOAA, U.S. Department of Commerce    [Information]
Data Center URL: http://www.esrl.noaa.gov/psd/psd1/
Dataset ID: CDC032

Data Center Personnel
Name: ESRL/PSD DATA INQUIRIES
Email: esrl.psd.data at noaa.gov


Personnel
ESRL/PSD DATA INQUIRIES
Role: TECHNICAL CONTACT
Role: DIF AUTHOR
Email: esrl.psd.data at noaa.gov



Creation and Review Dates
DIF Creation Date: 2002-03-19
Last DIF Revision Date: 2009-07-15

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