vorticity region
81Extratropical cyclone — Part of the Nature series on Weather   Calendar seasons Spring · Summer Autumn  …
82Temperature — This article is about the thermodynamic property. For other uses, see Temperature (disambiguation). A map of global long term monthly average surface air temperatures i …
83Pluie torrentielle sous orage — Pluie torrentielle sous un orage à la Nouvelle Orléans Une pluie torrentielle sous orage, aussi appelée lame d eau, est un événement météorologique violent qui se produit lorsqu un orage contenant une masse importante d eau la déverse en très peu …
84Oseen's Approximation — In 1910 Carl Wilhelm Oseen proposed Oseen s Approximation to treat problems in which a flow field consists of small disturbance of a constant mean flow. His work was based on the experiments of Navier Stokes. Stokes studied a sphere of radius “a” …
85Coriolis effect — For the psychophysical perception effect, see Coriolis effect (perception). Classical mechanics Newton s Second Law …
86Lift (force) — For other uses, see Lift. Boeing 747 8F landing A fluid flowing past the surface of a body exerts a surface force on it. Lift is the component of this force that is perpendicular to the …
87Intertropical Convergence Zone — Doldrums redirects here. For other uses, see Doldrums (disambiguation). The thunderstorms of the Intertropical Convergence Zone form a line across the eastern Pacific Ocean …
88METAR — For the Israeli town, see Meitar. METAR is a format for reporting weather information. A METAR weather report is predominantly used by pilots in fulfillment of a part of a pre flight weather briefing, and by meteorologists, who use aggregated… …
89Vortex ring — A vortex ring, also called a toroidal vortex, is a region of rotating fluid moving through the same or different fluid where the flow pattern takes on a doughnut shape. The movement of the fluid is about the poloidal or circular axis of the… …
90Particle image velocimetry — (PIV) is an optical method used to measure velocities and related properties in fluids. The fluid is seeded with particles which, for the purposes of PIV, are generally assumed to faithfully follow the flow dynamics. It is the motion of these… …
