4.7 Article

THE METCRAX II FIELD EXPERIMENT A Study of Downslope Windstorm-Type Flows in Arizona's Meteor Crater

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Publisher

AMER METEOROLOGICAL SOC
DOI: 10.1175/BAMS-D-14-00238.1

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Funding

  1. NSF's Physical and Dynamic Meteorology Division [AGS-1160730, AGS-1160737]
  2. International Bureau of BMBF [01 DM 13002]
  3. Directorate For Geosciences
  4. Div Atmospheric & Geospace Sciences [1160730] Funding Source: National Science Foundation

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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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