en

jet stream

1

Terminological databases

EKI terminibaas Esterm

ID 734738 Last modified 03.05.2024
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Domain air trafficmeteorology
jugavool
jet stream
  • flat tubular, quasi-horizontal, current of air generally near the tropopause, whose axis is along a line of maximum speed and which is characterized by great speeds and strong vertical and horizontal wind shears
Good to know
  • Valdkond ICAO lisade põhjal loodud klassifikaatori järgi: Lennumeteoroloogia
  • Jugavoolu all mõeldakse tavaliselt tugeva tuulega kitsaid alasid troposfääri ülaosas ja stratosfääri alaosas. Jugavoolud on mõne km paksused, kuid pikkus küünib kuni kümnete tuhandete kilomeetriteni ning õhu liikumise kiirus jugavoolu teljes maksimaalselt 700 km/h, tavaliselt aga 100-300 km/h.
jugavool
JTST abbreviation
jet stream
Usage examples
  • SIGWX forecasts shall include the following items: a) tropical cyclone provided that the maximum of the 10-minute mean surface wind speed is expected to reach or exceed 17 m/s (34 kt); Appendix 2 Annex 3 — Meteorological Service for International Air Navigation APP 2-3 14/11/13 b) severe squall lines; c) moderate or severe turbulence (in cloud or clear air); d) moderate or severe icing; e) widespread sandstorm/duststorm; f) cumulonimbus clouds associated with thunderstorms and with a) to e); Note.— Non-convective cloud areas associated with in-cloud moderate or severe turbulence and/or moderate or severe icing are to be included in the SIGWX forecasts. g) flight level of tropopause; h) jet streams; ...
  • Jet streams are characterized by wind motions that generate strong vertical shearing action, which is thought to be largely responsible for clear air turbulence.
JTST abbreviation
courant-jet

Geoloogia terminibaas

ID 455680 Last modified 11.07.2023
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Domain palaeoclimatology
  • tropopausi lähedal eksisteeriv tugevate tuulte vöönd
jugavool

Meteoroloogia ja klimatoloogia terminibaas

ID 517285 Last modified 28.11.2023
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Domain atmosphere - climatology - meteorology - magnetospheretuuled
  • troposfääri ülaosas läänest itta puhuvate tugevate tuulte vöönd 30. ja 60. laiuskraadidel sooja ja külma õhu kokkupuutealal, kus tuule kiirus ulatub kuni 100 m/s
    Good to know
    • IVM koodJ0020

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