INFLUENCE OF THE MEDITERRANEAN CYCLOGENESIS IN THE WEATHER OF THE SOUTHERN IBERIAN TABLEAU.

Garcφa-Gonzßlez, Marcelino (INM, Centro Meteorologico Territorial de Madrid y Castilla-La-Mancha)

Cano-Espadas, Darφo (same affiliation)

Palacio-Garcφa, Jose Ignacio (same affiliation)

Sßnchez-Fernßndez, M¬ Teresa (same affiliation)

If the Mediterranean sea is the responsible of the climatic particularities of its region, the "rims of its bricket" are modulatin and setthing somehow, most of the meteorological phenomenons of itself. The big barries which are protecting this "sea bridge" in all its flanks, bet however the entry of "another environments" leaded by the big orographic ports that are responsible for transport the Mediterranean influence.

There are different influences playing a part in the genesis of the phenomenons here considered (snowfalds, storms and strong winds). In one hand, the Mediterranean, source of a caracteristic air mass, in the other hand the Sahara, source of a very dry air mass that takes part in many phenomenons of hard convection; in the other hand the Atlantic and Central European influence and, at least, the orography of this western rim of the bucket (mountains of Atlas and Betic Systen). When a baroclinic wave arrives to the Mediterranean western region the cyclogenetical mechanisms are activated, closing several vortex in certains favorable zones that are submited for certain stational variation: They move towards the inside of the Iberian Peninsula in summer and towards the sea in autumn. Here we shall refer specifically to the vortex of the peninsular inside and the ones from the seas of Alboran, Argelia and Balearic.


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