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Data access is temporarily unavailable due to unexpected downtime. Access is expected to be restored Tuesday, Feb 17 (no order links are currently displayed).

DEEPWAVE: NSF/NCAR GV HIAPER Dropsonde Data

Summary

NCAR/EOL Dropsonde sounding profiles from on the NSF/NCAR Gulfstream-V HAIPER aircraft in the region around New Zealand as part of the DEEPWAVE field project. Dropsondes were released as requested during the field phase. A total of 282 quality-controlled, high vertical resolution (0.25-second wind and 0.5 second pressure/temperature/humidity) soundings are contained in the final DEEPWAVE data set.

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Data access is temporarily unavailable due to unexpected downtime. Access is expected to be restored Tuesday, Feb 17

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Additional information

Identifier	DOI: https://doi.org/10.5065/D6QC01PM
Data Quality	final
Versions	1.0 (2015-03-16): The EOL Dropsonde data has been converted to the EOL Sounding Composite (ESC) format. 2.0 (2016-12-16): This version corrects a temperature dependent dry bias that was present in the Vaisala RD94 dropsonde relative humidity measurements. Both the relative humidity and dew point values have been corrected. (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	DEEPWAVE: Deep Propagating Gravity Wave Experiment over New Zealand
Spatial Type	point
Frequency	criteria
Language	English
Categories	Aircraft Upper Air
Platforms	Dropwindsondes NSF/NCAR GV HIAPER
Instruments	AVAPS - Airborne Vertical Atmosphere Profiling Systems Dropsondes
GCMD Science Keywords	ATMOSPHERIC PRESSURE MEASUREMENTS BOUNDARY LAYER TEMPERATURE BOUNDARY LAYER WINDS DEW POINT TEMPERATURE GEOPOTENTIAL HEIGHT HUMIDITY RELATIVE HUMIDITY UPPER AIR TEMPERATURE VERTICAL PROFILES WATER VAPOR PROFILES WIND DIRECTION WIND DIRECTION PROFILES WIND SPEED WIND VELOCITY/SPEED PROFILES Show 11 more... Expand keywords
Documentation	readme_DEEPWAVE_GV_dropsonde_V2.pdf [380 KiB]
Restrictions	user agreement required: DEEPWAVE_EULA.html [1 KiB]
Related links	homepage: DEEPWAVE info: DEEPWAVE Data Policy info: DEEPWAVE Missions

Temporal coverage

Begin datetime	2014-06-06 06:00:00
End datetime	2014-07-20 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: -31.92, Minimum (South) Latitude: -62.997
Minimum (West) Longitude: 144.524, Maximum (East) Longitude: -176.148

Primary point of contact information

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

Additional contact information

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

Citation

NSF NCAR Earth Observing Laboratory. 2016. DEEPWAVE: NSF/NCAR GV HIAPER Dropsonde Data. Version 2.0. null. https://doi.org/10.5065/D6QC01PM. Accessed 15 Feb 2026.

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