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A weather radar image of a mesoscale convective vortex (MCV) over Pennsylvania with a leading squall line. A squall line, or quasi-linear convective system (QLCS), is a line of thunderstorms, often forming along or ahead of a cold front. In the early 20th century, the term was used as a synonym for cold front (which often are accompanied by ...
A squall line is an elongated line of severe thunderstorms that can form along and/or ahead of a cold front. [11] [12] In the early 20th century, the term was used as a synonym for cold front. [13] The squall line contains heavy precipitation, hail, frequent lightning, strong straight-line winds, and possibly tornadoes and waterspouts. [14]
For the Poussinists, therefore, color was a purely decorative addition to form and drawing (design or disegno), the use of line to depict form, was the essential skill of painting. Their leader was Charles Le Brun [ 3 ] (died 1690), Director of the Academy, and their heroes were Raphael , the Carracci , and Poussin himself, [ 1 ] whose severe ...
Flamboyant details are found in the chapel, the doorways, windows, tower, and roof-line. [28] A late example of Flamboyant civil architecture in France is the Parlement de Normandie, now the Palais de Justice of Rouen (1499–1528), which has slender, crocketed pinnacles and lucarnes terminated with fleurons.
When thunderstorms are able to organize into squall lines, a feature known as a rear inflow jet develops to the south of the mid-level circulation associated with its northern bookend vortex. This leads to an erosion of rain within the broad rain shield behind the squall line, and may lead to acceleration of the squall line itself. [4]
[1] [7] In Australia, a squall is defined to last for several minutes before the wind returns to the long-term mean value. [3] In either case, a squall is defined to last about half as long as the definition of sustained wind in its respective country. Usually, this sudden violent wind is associated with briefly heavy precipitation as squall ...
Supercells are usually found isolated from other thunderstorms, although they can sometimes be embedded in a squall line. Typically, supercells are found in the warm sector of a low pressure system propagating generally in a north easterly direction [globalize] in line with the cold front of the low pressure system. Because they can last for ...
Plateresque, meaning "in the manner of a silversmith" (plata being silver in Spanish), was an artistic movement, especially architectural, developed in Spain and its territories, which appeared between the late Gothic and early Renaissance in the late 15th century and spread over the next two centuries.