In fluid mechanics, potential vorticity (PV) is a quantity which is proportional to the dot product of vorticity and stratification. This quantity, following...

vorticity in the flow. In the figure below, the left subfigure demonstrates no vorticity, and the right subfigure demonstrates existence of vorticity...

thereof) with strong vorticity effects, the potential flow approximation is not applicable. In potential or irrotational flow, the vorticity vector field is...

by the Coriolis force and conservation of potential vorticity which leads to changes of relative vorticity. This is analogous to conservation of angular...

from left to right, the geostrophic relative vorticity, the planetary vorticity and the stretching vorticity. As an air parcel moves about in the atmosphere...

incompressible, the Laplacian of the velocity potential must be zero: Δ Φ = 0. {\displaystyle \Delta \Phi =0.} The vorticity, ω {\displaystyle \omega } , of a flow...

is formed by our vortex in the existing chaos.' Lewis saw the potential of 'Vorticism' as an exciting rallying call that was also sufficiently vague...

tropopause surface is expressed in potential vorticity units (PVU, 1 PVU = 10-6 K m2 kg-1 s-1). Given that the absolute vorticity is positive in the Northern...

Chou, Kun-Hsuan (July 2003). "A New Look at the Binary Interaction: Potential Vorticity Diagnosis of the Unusual Southward Movement of Tropical Storm Bopha...

the vertically propagating planetary waves and the isolated high potential vorticity region known as the polar vortex. The resultant breaking causes large-scale...

convective instability; likewise, Rossby waves are said to break when the potential vorticity gradient is overturned. Wave breaking also occurs in plasmas, when...

conservation of potential vorticity caused by the northward-moving winds on the subtropical ridge's western periphery and the increased relative vorticity of northward-moving...

the mechanism by which vorticity is generated. Vorticity is the curl of the velocity field. In general, the evolution of vorticity can be broken into contributions...

those latitudes. In the lowest level of the stratosphere, strong potential vorticity gradients remain, and the majority of that air remains confined within...

of potential vorticity, that transport is balanced by a narrow, intense poleward current, which flows along the western coast, allowing the vorticity introduced...

vertical length scale), potential vorticity is a function of relative (local) vorticity ζ {\displaystyle \zeta } , planetary vorticity f {\displaystyle f}...

and has no vorticity. The flow is inviscid, incompressible and has constant mass density ρ. The flow therefore remains without vorticity, or is said...

In fluid mechanics, topographic steering is the effect of potential vorticity conservation on the motion of a fluid parcel. This means that the fluid...

{\displaystyle h} is not constant. The conservation of the potential vorticity forces the relative vorticity ζ {\displaystyle \zeta } or the Coriolis parameter...

allows solutions like gravity waves, while also conserving energy and potential vorticity. However, there are also some disadvantages as far as geophysical...

Photovoltaics, a technology for converting sunlight into electricity Potential vorticity, in fluid dynamics Presta valve, one of the two common tire valves...

al. (2011) suggests that during Kuroshio intrusion into the SCS, potential vorticity must be conserved across the Luzon Strait. This means that intrusion...

high vorticity regions are then “stretched”, and high pressure and low vorticity regions are “squashed”, yielding higher and lower vorticity, respectively...

is present, tropical cyclones tend to move towards regions where potential vorticity is increasing most quickly. Climatologically, tropical cyclones are...

Kelvin–Helmholtz instability Madden–Julian oscillation Navier–Stokes equations Potential vorticity Pressure-gradient force Primitive equations Rossby number Rossby...

polar front. This causes a sharp north-south pressure (south-north potential vorticity) gradient in the horizontal plane, an effect which is most significant...

Applied Climatology — Rotation of mid-latitude binary cyclones: a potential vorticity approach". Theoretical and Applied Climatology. 76 (3–4): 189–202...

with Peter H. Haynes, established the Impermeability Theorem for potential vorticity (PV), which states that there can be no net transport of PV across...

extratropical cyclones and frontogenesis, particularly through the use of potential vorticity. He has also produced research across many areas of meteorology,...

conservation of potential vorticity caused by the poleward-moving winds on the subtropical ridge's western periphery and the increased relative vorticity of poleward...