dimanche 31 août 2014

European Storm Forecast Experiment

Storm Forecast
Storm Forecast
Valid: Sun 31 Aug 2014 06:00 to Mon 01 Sep 2014 06:00 UTC
Issued: Sun 31 Aug 2014 07:03
Forecaster: VAN DER VELDE
A level 2 was issued for northern Italy, Slovenia and Croatia mainly for excessive convective rainfall, large hail, and isolated tornado chances.

A level 1 was issued for Austria, Czechia and southwestern Poland mainly for large hail.

A level 1 was issued for Turkey mainly for large hail and severe wind gusts.

A level 1 was issued for northern Netherlands and Germany, Denmark and adjacent sea mainly for spout-type tornadoes.

A level 1 was issued for northern parts of Morocco, Algeria and Tunesia mainly for severe wind gusts and large hail.

A level 1 was issued for eastern Belarus mainly for large hail.


An upper level low will move from the North Sea across Germany towards the northern Mediterranean where lee cyclogenesis will occur across N Italy. A strong surface cold front will make its way across Germany towards the Adriatic sea, where it will trigger thunderstorms with a major threat of excessive precipitation during evening and night. A weaker mid level cold front passes Spain from north to south.
Another upper low with associated slight instability resides over Belarus. Another mid level trough slowly passes over western Turkey. 

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