☁️ Kelvin-Helmholtz Waves

Atmospheric fluid shear-flow instability. Two fluid layers with differing densities and velocities roll up into breaking ocean-billow cloud vortices.

CLICK & DRAG ACROSS SHEAR INTERFACE TO PERTURB BOUNDARY Richardson Number Ri = 0.16 < 0.25 (Unstable)

Velocity Shear (ΔU) 2.2 m/s

Density Stratification (Δρ/ρ) 0.80