- weak echo region
- 弱回波区
Atmospheric Sciences (English-Chinese) dictionary. 2014.
weak echo region
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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
Hook echo — [ 1999 Oklahoma tornado outbreak. It reached F5 strength on the Fujita scale.] [ Kansas City, Missouri.] The hook echo is one of the classical hallmarks of tornado producing supercell thunderstorms as seen on weather radar. The echo is produced… … Wikipedia
2010–11 Australian region cyclone season — Season summary map First storm formed: 28 October 2010 Last storm dissipated: 10 April 2011 … 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
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
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 un orage… … Wikipédia en Français
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
Radar météorologique — Un radar météorologique est un type de radar utilisé en météorologie pour repérer les précipitations, calculer leur déplacement et déterminer leur type (pluie, neige, grêle, etc.). La structure tridimensionnelle des données obtenues permet… … Wikipédia en Français
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
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
