vorticity region
31Mesocyclone — A mesocyclone from the Greensburg, Kansas tornado event indicated on Doppler weather radar. A mesocyclone is a vortex of air, approximately 2 to 10 miles in diameter (the mesoscale of meteorology), within a convective storm …
32Gustnado — A gustnado is a colloquial expression for a type of short lived, shallow, cyclonic circulation that can form in a severe thunderstorm. While it derives its name from the tornado, it has little in common with tornadoes structurally in terms of… …
33Atmospheric model — A 96 hour forecast of 850 mbar geopotential height and temperature from the Global Forecast System An atmospheric model is a mathematical model constructed around the full set of primitive dynamical equations which govern atmospheric motions. It… …
34Monsoon trough — August position of the ITCZ and monsoon trough in the Pacific Ocean, depicted by area of convergent streamlines in the northern Pacific The monsoon trough is that portion of the Intertropical Convergence Zone (ITCZ) which extends into or through… …
35Atmospheric convection — Conditions favorable for thunderstorm types and complexes Atmospheric convection is the result of a parcel environment instability, or temperature difference, layer in the atmosphere. Different lapse rates within dry and moist air lead to… …
36Ageostrophischer Wind — Der geostrophische Wind ist ein vereinfachtes physikalisches Wind Modell der Meteorologie auf Basis der Geostrophie, bei dem die Isobaren durch Geraden angenähert werden. Großräumig weht der Wind fast parallel zu ihnen. Der geostrophische Wind… …
37Tornade — Pour les articles homonymes, voir Tornade (homonymie). Tornade Une tornade de catégorie F5 au Manitoba. Abréviation METAR …
38Wind — For other uses, see Wind (disambiguation). Wind, from the …
39Thunderstorm — Electrical storm redirects here. For other uses, see Electrical storm (disambiguation). A typical thunderstorm A thunderstorm, also known as an electrical storm, a lightning storm, thundershower or simply a storm is a form of weather… …
40Nebular hypothesis — Star formation Interstellar medium Molecular cloud …
