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NASA DC-8 NCAR/EOL Dropsonde Data


This data set contains dropsonde data from the NASA DC-8 medium altitude research aircraft. A total of 328 quality-controlled dropsonde soundings were released during 16 research flights, and are contained in the final dropsonde data set.

Data access

  • ORDER data for delivery by FTP

Additional information

Data Quality final
  • 1.0 (2016-02-19)
  • 2.0 (2016-06-24):

    This dataset has been corrected for a temperature dependent dry bias.  The filenames have also been corrected.

  • 2.1 (2017-03-22):

    This version was thought to have been corrected for a temperature dependent relative humidity dry bias as well as a dewpoint bias, but was not actually corrected.

  • 3.0 (2017-03-22):

    This version has been corrected for a temperature dependent dry bias of the relative humiidty measurements. Dewpoint temperatures were recomputed as well. 

(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 unknown
Frequency 1 second
Language English
GCMD Science Keywords Expand keywords
Related links

Temporal coverage

Begin datetime 2010-08-15 00:00:00
End datetime 2010-09-30 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 36.00, Minimum (South) Latitude: 10.00
Minimum (West) Longitude: -100.00, Maximum (East) Longitude: -50.00

Primary point of contact information

EOL Data Support <>


Example citation following ESIP guidelines:

UCAR/NCAR - Earth Observing Laboratory. 2017. NASA DC-8 NCAR/EOL Dropsonde Data. Version 3.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 20 Sep 2021.

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Ancillary information

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