Some Wind and Instability Parameters Associated With Strong And Violent Tornadoes: 1. Wind Shear And Helicity

  1. C. Church,
  2. D. Burgess,
  3. C. Doswell and
  4. R. Davies-Jone
  1. Jonathan M. Davies1 and
  2. Robert H. Johns2

Published Online: 18 MAR 2013

DOI: 10.1029/GM079p0573

The Tornado: Its Structure, Dynamics, Prediction, and Hazards

The Tornado: Its Structure, Dynamics, Prediction, and Hazards

How to Cite

Davies, J. M. and Johns, R. H. (1993) Some Wind and Instability Parameters Associated With Strong And Violent Tornadoes: 1. Wind Shear And Helicity, in The Tornado: Its Structure, Dynamics, Prediction, and Hazards (eds C. Church, D. Burgess, C. Doswell and R. Davies-Jone), American Geophysical Union, Washington, D. C.. doi: 10.1029/GM079p0573

Author Information

  1. 1

    Pratt, Kansas 67124

  2. 2

    National Severe Storms Forecast Center, Kansas City, Missouri 64106

Publication History

  1. Published Online: 18 MAR 2013
  2. Published Print: 1 JAN 1993

ISBN Information

Print ISBN: 9780875900384

Online ISBN: 9781118664148

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Keywords:

  • Tornadoes—Congresses

Summary

This chapter contains sections titled:

  • Introduction

  • Case Selection Methodology

  • Determination of Parameter Values

  • Mean Shear Results

  • Estimation of Storm Motion for Storm-Relative Helicity Computations

  • Storm-Relative Hellcity Results

  • Bulk Richardson Number Shear (U) Results

  • Middle-Level Wind Speed Results

  • Case Studies

  • Extremes of Hodographs Associated with Supercell-Induced Tornadoes

  • Discussion