samedi 23 août 2014

European Storm Forecast Experiment

Storm Forecast
Storm Forecast
Valid: Sat 23 Aug 2014 06:00 to Sun 24 Aug 2014 06:00 UTC
Issued: Fri 22 Aug 2014 22:25
Forecaster: PISTOTNIK
A level 1 and level 2 were issued for parts of Italy, the Balkans, Hungary, Romania and Bulgaria for large hail, severe wind gusts, excessive precipitation and to a lesser extent for tornadoes.

A level 1 was issued for some coastlines of S Norway, Sweden, Finland, Estonia, Germany and Denmark for waterspouts.


A broad long-wave trough resides over Central Europe. Its base is surrounded by moderate to strong mid-level flow, which exceeds 20 m/s at 500 hPa from France to Poland and from the Western Mediterranean to the Balkans.
Near the surface, a mature cyclone over Southern Norway and a long, diffuse frontal boundary from the Baltic States across Hungary and Northern Italy to Northern Spain are the primary features. Far Eastern and far Southern Europe as well as Iberia are under anticyclonic influence.

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