WebAn outflow boundary, also known as a gust front, is a storm-scale or mesoscale boundary separating thunderstorm -cooled air ( outflow) from the surrounding air; similar in effect to a cold front, with passage marked by a wind shift and usually a drop in temperature and a related pressure jump. Web2 days ago · thunderstorm, a violent short-lived weather disturbance that is almost always associated with lightning, thunder, dense clouds, heavy rain or hail, and strong gusty winds. Thunderstorms arise when layers of warm, moist air rise in a large, swift updraft to … latent heat, energy absorbed or released by a substance during a change in its … Thunderstorms are a common weather disturbance. They are usually violent and … ball lightning, also called globe lightning, a rare aerial phenomenon in the form of a … tornado, a small-diameter column of violently rotating air developed within a … air mass, in meteorology, large body of air having nearly uniform conditions of … convection, process by which heat is transferred by movement of a heated …
NOAA
WebFeb 27, 2024 · Lightning occurs when regions of excess positive and negative charge develop within the cloud. Typically, there is a large volume of positive charge in the upper regions of the cloud, a large negative … WebA severe thunderstorm by definition is a thunderstorm that produces one inch hail or larger in diameter and/or winds equal or exceed 58 miles an hour. The size of the watch can vary depending on the weather situation. ... Storms possessing this structure have been observed to generate the vast majority of long-lived strong and violent (F2-F5 ... ground children
Storm definition and meaning Collins English Dictionary
WebStrong (up to more than 120 mph) straight-line winds associated with thunderstorms knock down trees, power lines and mobile homes. Tornadoes (with winds up to about … Webnoun Definition of storm 1 as in thunderstorm a disturbance of the atmosphere accompanied by wind and often by precipitation (as rain or snow) a winter storm bringing … WebCumulonimbus (from Latin cumulus 'heaped', and nimbus 'rainstorm') is a dense, towering vertical cloud, [1] typically forming from water vapor condensing in the lower troposphere that builds upward carried by powerful buoyant air currents. Above the lower portions of the cumulonimbus the water vapor becomes ice crystals, such as snow and ... ground chicory root