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A Technique for Measuring the Rotational Properties of Falling Oblate Ice Spheroids

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  • 1 Institute of Atmospheric Physics, University of Arizona, Tucson, AZ 85721
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Abstract

A technique is discussed for measuring the wobbling or tumbling characteristics of simulated oblate hailstones. It involves the use of a suitable radar for tracking ice or Stycast, oblate spheroids dropped from an airplane or balloon and for making nearly continuous measurements of radar cross sections (and differential reflectivities, if possible) as functions of time and altitude. Analyses of such measurements should yield information on the rotational behavior of the falling spheroids.

Abstract

A technique is discussed for measuring the wobbling or tumbling characteristics of simulated oblate hailstones. It involves the use of a suitable radar for tracking ice or Stycast, oblate spheroids dropped from an airplane or balloon and for making nearly continuous measurements of radar cross sections (and differential reflectivities, if possible) as functions of time and altitude. Analyses of such measurements should yield information on the rotational behavior of the falling spheroids.

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