Modeling Tornado Dynamics: Final Report January 1976-May 1980 |
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altitude ambient angular momentum Appendix approximately atmospheric axial axis axisymmetric body force boundary conditions boundary layer buoyancy centerline computational domain constant convection core cyclostrophic Dallas tornado Davies-Jones Doppler radar downdraft eddy viscosity estimate finite difference flow fluctuations fluid Fujita given height horizontal laboratory laminar Lewellen and Teske m/sec maximum swirl velocity maximum tangential velocity maximum velocity Maxworthy mean radial velocity mean tangential velocity mean vertical velocity mesocyclone momentum equation obtained outflow parameter potential temperature predicted pressure distribution pressure gradient radial inflow radial velocity region Reynolds number rotation scale Severe Local Storms shown in Figure solution stream function surface layer surface roughness swirl ratio temperature Texas Tech University tornado model tornado vortex Tornadogenesis turbulent transport model updraft V+/U+ variables variation velocity contours velocity distributions velocity occurs Vmax occurs vortex W. S. Lewellen wind and pressure wind distributions zero Zo/r+