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Earth Observing Laboratory
Field Data Archive

ICECHIP: 5hPa Resolution Radiosonde Composite

Summary

5 hPa vertical resolution radiosonde data from research and operational sources during the ICECHIP (In-situ Collaborative Experiment for the Collection of Hail In the Plains) campaign converted into a common format (EOL Sounding Composite format which is a columnar ASCII format). The composite includes data from radiosondes from locations around the central United States. The radiosondes were released by the mobile Northern Illinois University system (five second resolution) and NOAA/NWS (28 sites at one second resolution). A total of 2188 radiosondes are included in this dataset.

Archive note

Most NWS stations had typical releases times of 00 and 12 UTC. However, a number of stations had variations on this schedule during ICECHIP. NIU Black released radiosondes during ICECHIP IOP operations.

Data access

  • ORDER data to made available for download
    • authorization required

Additional information

Identifier
Data Quality final
Versions
  • 1.0 (2026-04-29):

    Includes NWS and NIU Black radiosondes.

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Language English
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Restrictions
  • authorization required
Related links

Temporal coverage

Begin datetime 2025-05-16 00:00:00
End datetime 2025-06-29 23:59:59

Spatial coverage


Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 48.206, Minimum (South) Latitude: 25.916
Minimum (West) Longitude: -111.82, Maximum (East) Longitude: -88.112

Primary point of contact information

EOL Data Support <datahelp@eol.ucar.edu>

Additional contact information

Citation

NSF NCAR Earth Observing Laboratory. 2026. ICECHIP: 5hPa Resolution Radiosonde Composite. Version 1.0. NSF NCAR Earth Observing Laboratory. https://doi.org/10.26023/SZR8-PR8V-HC0P. Accessed 30 Apr 2026.

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This material is based upon work supported by the NSF National Center for Atmospheric Research, a major facility sponsored by the U.S. National Science Foundation and managed by the University Corporation for Atmospheric Research. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the U.S. National Science Foundation.