 ds336.0 Home Page Help
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Historical Unidata Internet Data Distribution (IDD) Global Observational Data, May 2003 - current
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Historical Unidata Internet Data Distribution (IDD) Global Observational Data are derived from real-time Global Telecommunications System
(GTS) reports distributed via the Unidata Internet Data Distribution System (IDD).
Reports include surface station (SYNOP) reports at 3-hour intervals,
upper air (RAOB) reports at 3-hour intervals, surface station (METAR) reports at 1-hour intervals, and
marine surface (BUOY) reports at 1-hour intervals. Select variables found in all report types
include pressure, temperature, wind speed, and wind direction. Data may be available at mandatory or significant levels from 1000mb to 1mb, and at surface levels.
Online archives are populated daily with reports generated two days prior to the current date.
More information is available.
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Click a  icon for more details
| PERIODS: |
1975-05-04 to 2037-07-02 (Entire dataset)
 Period details by subset Period details by subset:
1975-05-04 to 2037-07-02 (Historical Archive of Surface Observation files)
2003-05-19 to 2009-11-14 (Historical Archive of Upperair Observation files)
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| UPDATES: |
Daily (nominally)
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| VARIABLES: |
| Air Temperature | Cloud Amount/Frequency | Cloud Base | Cloud Types |
| Dew Point Temperature | Humidity | Precipitation Amount | Sea Level Pressure |
| Sea Surface Temperature | Snow | Station Height | Surface Pressure |
| Surface Winds | Swells | Upper Level Winds | Visibility |
| Wave Height | Wave Period | | |
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| TIMES: |
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| TYPES: |
Platform Observation
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| COVERAGE: |
See the detailed metadata for coverage information
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| SOURCES: |
UCAR/UNIDATA Unidata, University Corporation for Atmospheric Research
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| PUBLICATIONS: |
Recommended acknowledgement for this dataset:
"The data for this study are from the Research Data Archive (RDA) which is maintained by the Computational and Information Systems Laboratory (CISL) at the National Center for Atmospheric Research (NCAR). NCAR is sponsored by the National Science Foundation (NSF). The original data are available from the RDA (http://dss.ucar.edu) in dataset number ds336.0."
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| VOLUME: |
190.47 GBytes (Entire dataset)
Volume details by subsetVolume details by subset:
Global Surface Observations files: 180.51 GBytes
Global Upperair Observations files: 9.96 GBytes
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| DATA FORMATS: |
netCDF
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| RELATED DATASETS: |
ds335.0 - Historical Unidata Internet Data Distribution (IDD) Gridded Model Data, December 2002 - current
ds337.0 - NCEP ADP Global Upper Air and Surface (PREPBUFR format) Weather Observations, daily, Jan 2000 - Continuing
ds351.0 - NCEP ADP Global Upper Air Observational Weather Data, daily, April 2000 - continuing
ds353.0 - NMC B-3 ADP Global Upper Air Observations, daily 1962Mar-1972
ds353.4 - NCEP ADP Operational Global Upper Air Observations, December 1972 - February 2007
ds461.0 - NCEP ADP Global Surface Observational Weather Data, daily, April 2000 - continuing
ds464.0 - NCEP ADP Operational Global Surface Observations, February 1975 - February 2007
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| MORE DETAILS: |
View more details for this dataset, including dataset citation, data contributors, and other detailed metadata
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| CONTACT: |
For assistance with this dataset, please contact
Doug Schuster (303-497-1216)
. If the specialist is unavailable, please contact
Data Help.
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| DATA ACCESS: |
Click the  tab here or in the navigation bar at the top of the page. |
| COMMUNITY: |
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