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Global GTS Mandatory/Significant Level Radiosonde Observations in GEMPAK Format


The GTS Sounding Observations Data set is one of several data sets collected by the University Corporation of Atmospheric Research/Joint Office for Science Support. These data are contained in daily files which are in GEMPAK format. The data were acquired via the UNIDATA Local Data Manager (LDM).

Archive note

Due to an unexptected hardware failure 21 files were lost corresponding to dates in the first half of 2017. Specifically, the files associated with the following days (in year 2017) are missing: Jan 8, 17, 24, 28; Feb 11, 13, 20, 24, 25; Mar 4, 21; Apr 10, 24, 25, 30; Jun 6, 9, 10.  

Data access

  • ORDER data for delivery by FTP

Additional information

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Related projects
Spatial Type point
Language English
GCMD Science Keywords Expand keywords

Temporal coverage

Begin datetime 2000-03-17 00:00:00
End datetime 2022-05-22 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 90.00, Minimum (South) Latitude: -90.00
Minimum (West) Longitude: -180.00, Maximum (East) Longitude: 180.00

Primary point of contact information

EOL Data Support <>


Example citation following ESIP guidelines:

UCAR/NCAR - Earth Observing Laboratory. 2011. Global GTS Mandatory/Significant Level Radiosonde Observations in GEMPAK Format. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 25 May 2022.

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Ancillary information

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