Surface Cooling-Induced Vortex Descent and Reactive Drift: A New Framework for Tornado Touchdown and Motion
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2025
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| author | Robert Hogan-Schrader, Robert Schrader |
| author_facet | Robert Hogan-Schrader, Robert Schrader |
| contents | <p>This article presents the <strong>Audrey Vacuum Flip Hypothesis (AVFH)</strong> and <strong>Vacuum Pursuit Drift (VPD)</strong> as a new, physics-based framework for tornado touchdown and irregular motion. The AVFH model proposes that rapid surface cooling following intense updrafts creates a localized pressure vacuum, initiating downward vortex acceleration. The VPD model reframes tornado movement as a reactive drift toward remaining surface energy gradients, rather than passive advection by steering winds.</p> <p>We support these claims with atmospheric equations, visual simulations, and an empirical case study of the 2011 Joplin EF-5 tornado. Two stress-tested simulations show how a vortex navigates energy fields via suction and depletion. This theory uses only classical thermodynamics and fluid dynamics, and is designed for further validation via CFD, radar, or mesonet data.</p> <p>Includes:</p> <ul> <li> <p>Full LaTeX source (.zip) with embedded figures</p> </li> <li> <p>README and license</p> </li> <li> <p>Simulations of VPD behavior and pressure-induced vortex descent</p> </li> </ul> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_16335764 |
| institution | Zenodo |
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| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Surface Cooling-Induced Vortex Descent and Reactive Drift: A New Framework for Tornado Touchdown and Motion Robert Hogan-Schrader, Robert Schrader Tornadoes Extreme Weather Wind Tornadoes/prevention & control Tornadoes/statistics & numerical data <p>This article presents the <strong>Audrey Vacuum Flip Hypothesis (AVFH)</strong> and <strong>Vacuum Pursuit Drift (VPD)</strong> as a new, physics-based framework for tornado touchdown and irregular motion. The AVFH model proposes that rapid surface cooling following intense updrafts creates a localized pressure vacuum, initiating downward vortex acceleration. The VPD model reframes tornado movement as a reactive drift toward remaining surface energy gradients, rather than passive advection by steering winds.</p> <p>We support these claims with atmospheric equations, visual simulations, and an empirical case study of the 2011 Joplin EF-5 tornado. Two stress-tested simulations show how a vortex navigates energy fields via suction and depletion. This theory uses only classical thermodynamics and fluid dynamics, and is designed for further validation via CFD, radar, or mesonet data.</p> <p>Includes:</p> <ul> <li> <p>Full LaTeX source (.zip) with embedded figures</p> </li> <li> <p>README and license</p> </li> <li> <p>Simulations of VPD behavior and pressure-induced vortex descent</p> </li> </ul> |
| title | Surface Cooling-Induced Vortex Descent and Reactive Drift: A New Framework for Tornado Touchdown and Motion |
| topic | Tornadoes Extreme Weather Wind Tornadoes/prevention & control Tornadoes/statistics & numerical data |
| url | https://doi.org/10.5281/zenodo.16335764 |