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THUNDERSTORM CONVECTION [4 records]
Record 1 - internal organization data 2005-05-12
Record 1, English
Record 1, Subject field(s)
- Atmospheric, Climatic and Meteorological Phenomena
Record 1, Main entry term, English
- non-supercell tornado
1, record 1, English, non%2Dsupercell%20tornado
correct
Record 1, Abbreviations, English
- NST 2, record 1, English, NST
correct
Record 1, Synonyms, English
- nonsupercell tornado 3, record 1, English, nonsupercell%20tornado
correct
- non-mesocyclone tornado 2, record 1, English, non%2Dmesocyclone%20tornado
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Tornado that occurs with a parent cloud in its growth stage and with its vorticity originating in the boundary layer. 3, record 1, English, - non%2Dsupercell%20tornado
Record number: 1, Textual support number: 1 CONT
The term "non-supercell tornado" (NST) as given by Wakimoto and Wilson (1989) or "non-mesocyclone tornado" as given by Brady and Szoke (1989) has been used to describe tornadoes associated with storms not displaying the strong pre-tornadic mid-level rotation found in supercell storms. NST’s are usually associated with deep convection found along lower tropospheric boundaries possessing significant across-front horizontal shear. 2, record 1, English, - non%2Dsupercell%20tornado
Record number: 1, Textual support number: 2 CONT
Non-supercell tornadoes ... [are] tornadoes which are not associated with supercells ... Non-supercell tornadoes present a significant threat to the public, as well as a formidable task for those who must attempt to forecast conditions ripe for their occurrence, and detect their presence once they form. 4, record 1, English, - non%2Dsupercell%20tornado
Record number: 1, Textual support number: 3 CONT
Non-supercell tornadoes... occur in nonmesocyclone convection in an environment of weak shear over a boundary that is a source of vertical vorticity... The tornado occurs in the development phase of the thunderstorm with the updraft of the thunderstorm stretching the environmental vertical vorticity. 5, record 1, English, - non%2Dsupercell%20tornado
Record number: 1, Textual support number: 4 CONT
... we will briefly discuss two types of non-supercell tornadoes ... Gustnadoes [and] Landspouts ... 4, record 1, English, - non%2Dsupercell%20tornado
Record 1, Key term(s)
- non supercell tornado
- non mesocyclone tornado
- nonmesocyclone tornado
Record 1, French
Record 1, Domaine(s)
- Phénomènes météorologiques, climatiques et atmosphériques
Record 1, Main entry term, French
- tornade non-supercellulaire
1, record 1, French, tornade%20non%2Dsupercellulaire
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
[...] les tornades non-supercellulaires pour la plupart de faible intensité [...] sont parfois déclenchées le long des lignes de grains et sont beaucoup plus difficiles à prévoir du fait qu'elles dépendent de facteurs de vents très locaux. Leur genèse dépend plutôt de mécanismes de basses altitudes. 2, record 1, French, - tornade%20non%2Dsupercellulaire
Record 1, Key term(s)
- tornade non supercellulaire
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2004-10-29
Record 2, English
Record 2, Subject field(s)
- Atmospheric Physics
Record 2, Main entry term, English
- updraft
1, record 2, English, updraft
correct, officially approved
Record 2, Abbreviations, English
Record 2, Synonyms, English
- updraught 2, record 2, English, updraught
correct, Great Britain
- lift 3, record 2, English, lift
see observation, noun
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
An upward-rushing air current caused by convection and usually found in the front portion of a heavy-to-violent thunderstorm. 4, record 2, English, - updraft
Record number: 2, Textual support number: 1 OBS
The term "lift" used as a synonym of "updraft" could only be found in bilingual dictionaries and in some cases in reference to flying. 5, record 2, English, - updraft
Record number: 2, Textual support number: 2 OBS
updraft: term officially approved by the Aeronautical Terminology Standardization Committee (ATSC) - Helicopters. 6, record 2, English, - updraft
Record 2, Key term(s)
- uplift
- up-draft
Record 2, French
Record 2, Domaine(s)
- Physique de l'atmosphère
Record 2, Main entry term, French
- courant ascendant
1, record 2, French, courant%20ascendant
correct, masculine noun, officially approved
Record 2, Abbreviations, French
Record 2, Synonyms, French
- ascendance 2, record 2, French, ascendance
correct, feminine noun, officially approved
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Courant aérien possédant une composante verticale dirigée de bas en haut. 3, record 2, French, - courant%20ascendant
Record number: 2, Textual support number: 1 CONT
Un courant ascendant est un courant transportant de l'air vers le haut dans la direction verticale au sein de l'atmosphère. Cette notion, en fait, est particulièrement dépendante de l'échelle spatio-temporelle à laquelle la vitesse verticale de l'air est évaluée. 4, record 2, French, - courant%20ascendant
Record number: 2, Textual support number: 1 OBS
ascendance : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Hélicoptères. 5, record 2, French, - courant%20ascendant
Record number: 2, Textual support number: 2 OBS
courant ascendant; ascendance : termes uniformisés par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes. 6, record 2, French, - courant%20ascendant
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Física de la atmósfera
Record 2, Main entry term, Spanish
- corriente ascendente
1, record 2, Spanish, corriente%20ascendente
correct, feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
- corriente de aire ascendente 2, record 2, Spanish, corriente%20de%20aire%20ascendente
correct, feminine noun
- ascendencia 3, record 2, Spanish, ascendencia
feminine noun
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Corriente de aire, de pequeñas dimensiones, que se mueve hacia arriba. 1, record 2, Spanish, - corriente%20ascendente
Record 3 - internal organization data 2004-09-24
Record 3, English
Record 3, Subject field(s)
- Atmospheric, Climatic and Meteorological Phenomena
Record 3, Main entry term, English
- frontal thunderstorm
1, record 3, English, frontal%20thunderstorm
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
Thunderstorm resulting from the convection induced by a frontal lifting. 2, record 3, English, - frontal%20thunderstorm
Record 3, Key term(s)
- frontal thunder-storm
- frontal thunder storm
Record 3, French
Record 3, Domaine(s)
- Phénomènes météorologiques, climatiques et atmosphériques
Record 3, Main entry term, French
- orage frontal
1, record 3, French, orage%20frontal
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- orage de front 2, record 3, French, orage%20de%20front
masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Orage résultant de la convection produite par une ascendance frontale. 3, record 3, French, - orage%20frontal
Record number: 3, Textual support number: 1 CONT
Les orages se développent, soit au sein de masses d'air riches en vapeur d'eau et fortement réchauffées à la base (orages dits de masse d'air), que l'on observe plus fréquemment pendant le semestre estival, soit dans l'air chaud, le long d'une surface frontale (orages frontaux). 4, record 3, French, - orage%20frontal
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Fenómenos meteorológicos, climáticos y atmosféricos
Record 3, Main entry term, Spanish
- tormenta frontal
1, record 3, Spanish, tormenta%20frontal
correct, feminine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 DEF
Tormenta resultante de la convección producida por una ascendente frontal. 2, record 3, Spanish, - tormenta%20frontal
Record 4 - internal organization data 2004-08-20
Record 4, English
Record 4, Subject field(s)
- Atmospheric Physics
Record 4, Main entry term, English
- multicellular thunderstorm system
1, record 4, English, multicellular%20thunderstorm%20system
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
- multicellular storm system 2, record 4, English, multicellular%20storm%20system
correct, see observation
- multi-celled thunderstorm system 3, record 4, English, multi%2Dcelled%20thunderstorm%20system
correct
- multi-celled storm system 4, record 4, English, multi%2Dcelled%20storm%20system
correct, see observation
- multicell thunderstorm system 3, record 4, English, multicell%20thunderstorm%20system
- multicell storm system 5, record 4, English, multicell%20storm%20system
see observation
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
An issue of considerable interest is the so-called multicellular thunderstorm system, as opposed to supercells, which are often presumed to be unicellular. A form of multicellular convection that has already been simulated extensively is the squall line. The typical method for simulating this form of deep line-oriented convection has been to release a number of laterally-aligned IB's. After the initial storms develop, their outflows merge, producing a line of convection resembling a squall line. Squall lines are not the only type of multicellular convection observed, however. In isolated multicell storms, a succession of updrafts is typical. 1, record 4, English, - multicellular%20thunderstorm%20system
Record number: 4, Textual support number: 1 OBS
Thunderstorms are often classified into a spectrum based on their cell structure: single cells, multicellular storms, and supercells. The type of storm depends on the instability and relative wind conditions at different layers of the atmosphere (shear). The "single-cell" (unicell) thunderstorm is [a] three-stage situation ... usually lasting about 30 minutes from the start of significant precipitation. A severe unicell storm is often referred to as a pulse thunderstorm. ... In a multicell thunderstorm, several thunderstorm cells merge into a larger system. The cloud becomes divided into updraft and downdraft regions separated by a gust front. The gust front may extend for several miles ahead of the storm, bringing with it increases in wind speed and atmospheric pressure, decreases in temperature, and shifts in wind direction. The storm itself will have different portions sequentually going through the various thunderstorm stages. In many cases the immature cells develop along a line known as a "flanking line," resulting in what is known as a line multicell. 6, record 4, English, - multicellular%20thunderstorm%20system
Record number: 4, Textual support number: 2 OBS
storm system: Often refers to "thunderstorm system" (in French: "système orageux"), which is a frequent type of storm system but not the only one; an elliptic form which can be used when there is no risk of ambiguity. 3, record 4, English, - multicellular%20thunderstorm%20system
Record 4, French
Record 4, Domaine(s)
- Physique de l'atmosphère
Record 4, Main entry term, French
- système orageux multicellulaire
1, record 4, French, syst%C3%A8me%20orageux%20multicellulaire
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record 4, Spanish
Record 4, Textual support, Spanish
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