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ONR Tropical Cyclone Intensity 2015 NASA WB-57 HDSS Dropsonde Data


This data set contains the high vertical resolution (0.5 second PTH and 0.25 second GPS and winds) profiles from the eXpendable Digital Dropsondes (XDD) from the High Definition Sounding System (HDSS) that was on the NASA WB-57 aircraft for the Tropical Cyclone Intensity (TCI) 2015 field campaign sponsored by the Office of Naval Research (ONR). The data set includes a total of 786 quality controlled dropsondes from 11 flights in four tropical cyclones in the eastern Pacific (Marty and Patricia) and Atlantic (Erika and Joaquin) basins. The data are in the columnar ASCII EOL Sounding Format and in tar files by flight.

Data access

  • ORDER data for delivery by FTP

Additional information

Data Quality final
  • 1.0 (2016-03-23)
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Language English
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Temporal coverage

Begin datetime 2015-08-30 15:22:58
End datetime 2015-10-23 21:54:19

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 37.85166, Minimum (South) Latitude: 11.31673
Minimum (West) Longitude: -109.29229, Maximum (East) Longitude: -63.04043

Primary point of contact information

EOL Data Support <>

Additional contact information


Example citation following ESIP guidelines:

Bell, M., et al. 2016. ONR Tropical Cyclone Intensity 2015 NASA WB-57 HDSS Dropsonde Data. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 11 Aug 2020.

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