The METCRAX II Field Experiment: A study of downslope windstorm-type flows in Arizona's Meteor Crater

The second Meteor Crater Experiment (METCRAX II) was conducted in October 2013 at Arizona's Meteor Crater. The experiment was designed to investigate nighttime downslope windstorm-type flows that form regularly above the inner southwest sidewall of the 1.2-km diameter crater as a southwesterly mesoscale katabatic flow cascades over the crater rim. The objective of METCRAX II is to determine the causes of these strong, intermittent, and turbulent inflows that bring warm-air intrusions into the southwest part of the crater. This article provides an overview of the scientific goals of the experiment; summarizes the measurements, the crater topography, and the synoptic meteorology of the study period; and presents initial analysis results.

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Author Lehner, Manuela
Whiteman, C.
Hoch, Sebastian
Crosman, Erik
Jeglum, Matthew
Cherukuru, Nihanth
Calhoun, Ronald
Adler, Bianca
Kalthoff, Norbert
Rotunno, Richard
Horst, Thomas
Semmer, Steven
Brown, William
Oncley, Steven
Vogt, Roland
Grudzielanek,, A.
Cermak, Jan
Fonteyne, Nils
Bernhofer, Christian
Pitacco, Andrea
Klein, Petra
Publisher UCAR/NCAR - Library
Publication Date 2016-02-01T00:00:00
Digital Object Identifier (DOI) Not Assigned
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Topic Category geoscientificInformation
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Metadata Date 2023-08-18T19:00:18.322304
Metadata Record Identifier edu.ucar.opensky::articles:18340
Metadata Language eng; USA
Suggested Citation Lehner, Manuela, Whiteman, C., Hoch, Sebastian, Crosman, Erik, Jeglum, Matthew, Cherukuru, Nihanth, Calhoun, Ronald, Adler, Bianca, Kalthoff, Norbert, Rotunno, Richard, Horst, Thomas, Semmer, Steven, Brown, William, Oncley, Steven, Vogt, Roland, Grudzielanek,, A., Cermak, Jan, Fonteyne, Nils, Bernhofer, Christian, Pitacco, Andrea, Klein, Petra. (2016). The METCRAX II Field Experiment: A study of downslope windstorm-type flows in Arizona's Meteor Crater. UCAR/NCAR - Library. http://n2t.net/ark:/85065/d7f47qq9. Accessed 23 July 2025.

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