vendredi 30 mai 2014

European Storm Forecast Experiment

Storm Forecast
Storm Forecast
Valid: Sat 31 May 2014 06:00 to Sun 01 Jun 2014 06:00 UTC
Issued: Fri 30 May 2014 23:39
Forecaster: PISTOTNIK
A level 1 was issued for W-most Russia, E Belarus and large parts of the Ukraine mainly for excessive precipitation and large hail.

A level 1 was issued for Moldova and E Romania mainly for excessive precipitation.

A level 1 was issued for the NE Aegean region mainly for excessive precipitation and waterspouts.

A level 1 was issued for parts of Italy mainly for large hail, excessive precipitation and waterspouts.

A level 1 was issued for SE France mainly for large hail and excessive precipitation.

A level 1 was issued for SE Spain, NE Algeria and N Tunisia for large hail and to a lesser extent for severe wind gusts.

SYNOPSIS

Low geopotential and rather cool air masses continue to affect most of Europe. The dominant upper-level low over Finland will re-connect with the Northern branch of the main frontal zone on Saturday. Another belt of several small upper-level lows stretches from Spain across the Southern Alpine region into Romania. In-between, weak ridging from the Atlantic Ocean extends over the British Isles into Germany.
Near the surface, fairly high pressure over the Western half of Europe is opposed by a filling low over Finland and a deepening low that moves from the Western Black Sea northward into the Ukraine. Ahead of these two cyclones, warm air advection overspreads the Ukraine, Belarus and Western Russia.

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