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NOAA/ATDD Radiosonde Data



This data set contains temperature, moisture, and wind profiles from the GRAW radiosondes systems operated by the NOAA/ATDD as part of the Verification of the Origins of Rotation in Tornadoes Experiment-Southeast (VORTEX-SE) Meso2018-19 field season. The release locations varied by observing period, being either in central Alabama (near Montgomery or Auburn) or southeastern Missouri (Sikeston). These data are in the SHARPpy comma delimited ASCII format.

Data access

  • ORDER data for delivery by FTP

Additional information

Data Quality final
  • 1.0 (2019-05-13)
  • 1.1 (2019-06-19):

    In the previous version the soundings from 30 November to 2 December 2018 were incorrectly labeled as being from the Montgomery, AL site. This version correctly labels them as being from the SE Montgomery, AL site.

(Only the current version of the data is available to order. If you have questions about a prior version, please email us.)
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Related projects
Spatial Type point
Frequency criteria
Language English
GCMD Science Keywords Expand keywords
Related links

Temporal coverage

Begin datetime 2018-11-30 00:00:00
End datetime 2019-04-14 12:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 36.89, Minimum (South) Latitude: 32.363
Minimum (West) Longitude: -89.537, Maximum (East) Longitude: -85.497

Primary point of contact information

EOL Data Support <>

Additional contact information


Lee, T., Buban, M. 2019. NOAA/ATDD Radiosonde Data. Version 1.1. UCAR/NCAR - Earth Observing Laboratory. Accessed 21 Feb 2024.

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Ancillary information

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