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METCRAX QC Radiosonde Data


The Meteor Crater Experiment (METCRAX) is a 3-year meteorological research program whose purpose is to investigate the structure and evolution of temperature inversions or cold-air pools that form on a daily basis in topographic basins and valleys. For this study NCAR/EOL deployed one Integrated Sounding System (ISS) approximately 35 miles East of Flagstaff AZ and 3 miles North East of an impact crater known as Meteor Crater. EOL also set up four surface towers in the base of the crater. For more information on these towers please visit, Forty-nine radiosonde launches were performed from the ISS site between October 7 and October 31, 2006. For more information on the METCRAX project please visit:

Data access

  • ORDER data for delivery by FTP

Additional information

Data Quality final
  • 1.0 (2016-01-26)
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Related projects
Frequency 1 second
Language English
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Related links

Temporal coverage

Begin datetime 2006-10-07 00:00:00
End datetime 2006-10-31 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 35.10, Minimum (South) Latitude: 35.10
Minimum (West) Longitude: -111.00, Maximum (East) Longitude: -111.00

Primary point of contact information

EOL Data Support <>

Additional contact information


UCAR/NCAR - Earth Observing Laboratory. 2016. METCRAX QC Radiosonde Data. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 23 Apr 2024.

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