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BWER — Voûte d échos faibles La voûte d échos faibles est un terme utilisé dans l analyse des données d un radar météorologique pour désigner une zone de très faibles échos mais entourées et surplombées d échos forts dans un orage, en particulier dans… … Wikipédia en Français
Bounded weak echo region — Vertical cross section through a supercell showing the BWER. The bounded weak echo region, also known as a BWER or a vault, is a radar signature within a thunderstorm characterized by a local minimum in radar reflectivity at low levels which… … Wikipedia
Convective storm detection — is the meteorological observation of deep, moist convection (DMC) and consists of detection, monitoring, and short term prediction. This term includes the minority of storms which do not produce lightning and thunder. Convective storms can… … Wikipedia
Lemon technique — The Lemon technique is a method used by weather radar operators to determine the relative strength of thunderstorm cells in a vertically sheared environment. It is named for Leslie R. Lemon, the co creator of the current conceptual model of a… … Wikipedia
Tornadocane — is a portmanteau of the words tornado and hurricane given to certain Mesoscale Convective Systems that develop a weather radar signature in the shape of a hurricane in low levels. These storms have a central eye free of precipitations with… … Wikipedia
Supercell — A supercell is a severe thunderstorm with a deep, continuously rotating updraft (a mesocyclone). [ [http://www.stormchasers.au.com/lemon7.htm 12B ] ] Of the four classifications of thunderstorms (supercell, single cell, multi cell, and squall… … Wikipedia
1990 Plainfield tornado — Infobox tornado single name = Plainfield Crest Hill Joliet Tornado image location = date = August 28, 1990 time = 3:15 p.m. to 3:45 p.m. CDT fujitascale = F5 total damages (USD) = $165 million total fatalities = 29 area affected = Plainfield,… … Wikipedia
Volumetric Imaging and Processing of Integrated Radar — Volumetric Imaging and Processing of Integrated Radar, known by the acronym VIPIR, is a type of post processing program applied to traditional radar systems and is distributed by Baron Weather Solutions Cite web… … Wikipedia
Composite reflectivity — #1 the fuchsia colored region, visible on the composite image, is all but missing on the base reflectivity #2 and #3, show more rain supported by strong updrafts. The composite reflectivity is the maximum dBZ reflectivity from any of the… … Wikipedia
Tornado vortex signature — A tornado vortex signature, or tornadic vortex signature, (TVS), is a Doppler weather radar detected rotation algorithm that indicates a strong possibility of a tornado. In most cases, the TVS is a tornadocyclone aloft, not a tornadic circulation … Wikipedia
