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Tornado Vortex Dynamics Simulator (2D)

Interactive 2D tornado vortex simulator: a Rankine-vortex wind profile with a solid-body core and 1/r outer decay, Bernoulli-derived core pressure drop driving a condensation funnel, and debris tracers that spiral inward and are flung back out past the core. Adjust intensity to see an EF-scale-like range.

Fluid Dynamics & Aerodynamics2DModerate60 FPS📱 Mobile-adapted💨 Air & Wind ⇄ 3D version

This 2D simulator renders a tornado as a Rankine vortex seen from above: solid-body rotation inside the core radius, 1/r irrotational decay outside it, and a Bernoulli-derived pressure drop — deepest at dead center — that condenses the visible funnel cloud once it crosses a dew-point threshold. Debris tracers spiral inward on near-surface convergence and get flung back outward past the core, the same path real debris follows. Drag the intensity slider through an EF-scale-like range to watch the core radius, peak wind speed, pressure drop and funnel width all respond together.

⚙ Under the hood

fluid dynamicstornadovortexrankine vortexpressure dropweather2D

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install