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Mediterranean Cut-off and West Drift Cyclones I: September 17 - 21, 1984, IR   [Other Title]

S.I.M.P.L.E. No.: 50   [Series Title]
Année de production: 1990
Genre: Documentary Film
Lieu de tournage: n/a

Générique:
Production company: Freie Universität Berlin, Zentraleinrichtung für AV-Medien
First released by: Freie Universität Berlin, Zentraleinrichtung für AV-Medien
Photography: Oliver Rothe
Distributor: IWF (Göttingen)
Author: Günter Warnecke
  Christian Zick


Mot-clés: METEOSAT, Satellitenbildsequenzen, Wirbelsturm, Zyklon

    Résumé:
  • eng
The sequence is characterized by Mediterranean and northern latitude cyclonic activity, partly being interlaced. On September 17, a Mediterranean cut-off low (1) moves NE, from the Yugoslavian coast towards the Ukraine. At the same time a cyclone (2) is cut off from the west drift over western France and re-intensifies into a strongly rotating convective low over the Mediterranean. It has, after four days, almost the same position as 1 has had. It interacts with the subtropical air flow over North Africa. During the same period four generations of west drift cyclonic vortices can be observed at 50°N and further north: on 17 of September a cyclone over Ireland (3) being cut off over western France and re-developing over the Mediterranean (2); on 19 of September the cloud spiral of a central low (4) between Iceland and Scotland; on 20 of September a rapidly moving and deepening strong short wave (5) over SW England; on 20/21 of September the cloud spiral of the next central low (6), rapidly moving eastwards and crossing Scotland and northern England. The sequence is shown in forward, backward and swinging mode. It is discreetly pseudo-coloured.

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