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PLOWS: NSF/NCAR C-130 Dropsonde Data

Summary

During the second field phase of PLOWS (November 2009 to 10 March 2010) the NSF/NCAR C-130 aircraft released dropsondes over the north-central United States. Dropsondes were deployed ny NCAR/EOL during six research flights, of which 41 are included in this final quality controlled data set. These data are in a columnar ASCII format, the EOL sounding format.

Data access

ORDER data to made available for download

Additional information

Identifier	DOI: https://doi.org/10.5065/D6W0943D
Data Quality	final
Versions	1.0 (2010-07-12) 2.0 (2016-06-28): This dataset has been corrected for a temperature dependent dry bias and the filenames have been changed. 3.0 (2017-02-16): This data was corrected for a temperature dependent relative humidity and dewpoint dry bias. This version is the most current version of the data. (Only the current version of the data is available to order. If you have questions about a prior version, please email us.)
Subscribe	Subscribe to receive email when new or updated data is available.
Related projects	PLOWS: Profiling of Winter Storms
Frequency	no set schedule
Language	English
Categories	Aircraft Sounding Upper Air
Platforms	Dropwindsondes NSF NCAR C-130
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 RELATIVE HUMIDITY U/V WIND COMPONENTS VERTICAL PROFILES WATER VAPOR PROFILES WIND DIRECTION WIND DIRECTION PROFILES WIND SPEED WIND VELOCITY/SPEED PROFILES Show 10 more... Expand keywords
Documentation	readme.PLOWS-2010.C130.dropsondes.pdf [265 KiB]
Related links	info: PLOWS 2008-2009 Missions info: PLOWS 2009-2010 Missions info: PLOWS Data Policy homepage: PLOWS EOL Project Homepage

Temporal coverage

Begin datetime	2009-10-23 20:13:00
End datetime	2010-02-09 18:35:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 48.00, Minimum (South) Latitude: 40.00
Minimum (West) Longitude: -103.00, Maximum (East) Longitude: -88.00

Primary point of contact information

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

Citation

NSF NCAR Earth Observing Laboratory. 2017. PLOWS: NSF/NCAR C-130 Dropsonde Data. Version 3.0. null. https://doi.org/10.5065/D6W0943D. Accessed 13 Jan 2026.

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