- thunderstorm downdraft
- 雷雨下衝流
Atmospheric Sciences (English-Chinese) dictionary. 2014.
Atmospheric Sciences (English-Chinese) dictionary. 2014.
thunderstorm — /thun deuhr stawrm /, n. a transient storm of lightning and thunder, usually with rain and gusty winds, sometimes with hail or snow, produced by cumulonimbus clouds. Also called electrical storm. [1645 55; THUNDER + STORM] * * * Violent, short… … Universalium
Thunderstorm — 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… … Wikipedia
downdraft — noun Date: 1849 1. a downward current of gas (as air during a thunderstorm) 2. decline 1 < an economic downdraft > … New Collegiate Dictionary
Rear flank downdraft — The rear flank downdraft or RFD is a region of dry air wrapping around the back of a mesocyclone in a supercell thunderstorm. These areas of descending air are thought to be essential in the production of many supercellular tornadoes. Large hail… … Wikipedia
Multicellular thunderstorm — A multicellular thunderstorm cluster is a thunderstorm that is composed of multiple cells, each being at a different stage in the life cycle of a thunderstorm. It looks like several anvils clustered together. A cell is an updraft/downdraft… … Wikipedia
updraft and downdraft — ▪ meteorology in meteorology, upward moving and downward moving air currents, respectively, that are due to several causes. Local daytime heating of the ground causes surface air to become much warmer than the air above, and, because warmer … Universalium
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
Tornado — This article is about the weather phenomenon. For other uses, see Tornado (disambiguation). For the current tornado season, see Tornadoes of 2011 … Wikipedia
tornado — tornadic /tawr nad ik, nay dik/, adj. tornadolike, adj. /tawr nay doh/, n., pl. tornadoes, tornados. 1. a localized, violently destructive windstorm occurring over land, esp. in the Middle West, and characterized by a long, funnel shaped cloud… … Universalium
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
Mesocyclone — 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 … Wikipedia