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 Status:Ongoing analysis Material  Status: Finalised Material from: Esti, Linus, Ivan

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Discussed in the following Daily reports:

2017-08-14



Picture

1. Impact

On 11th August a severe wind storm hit north Poland causing the death of 5 people and significant damages to trees and cutting power to 340,000 households. Rescuers in northern Poland said they had to force their way through "kilometers" of fallen trees in the Tuchola Forest to reach the site of Friday night's tragedy. This severe storm was caused by a mesoscale convective system (MSC) and the observations between 00 and 23 UTC show wind gusts over 30 m/s, and in some points even greater than 35

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The plot below shows observations of 24-hour maximum wind gusts on 11 August. Note the observations of above 30 m/s in northern Poland

3. Predictability

    


3.1 Data assimilation

 

3.2 HRES

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