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 Status:Ongoing analysis Material from:

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 Status: Finalised Material from: Linus, David, Mohamed


 

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Discussed in the following Daily reports:

2016-12-19

2016-12-20

2016-12-21

2016-12-22

2016-12-23

2016-12-26

2016-12-27

2016-12-28



Picture

1. Impact

On the 23-24 December the storm Barbara hit northern Scotland and on 25-27 the storm Conor (named Urd in Norway), hit Scotland, Faroe Islands and Norway. In Sweden the impact was less than expected from Urd.


2. Description of the event

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3.1 Data assimilation

 

3.2 HRES

The plots below show 24-hour maximum wind gusts valid 26 December from observations (first plots) and forecasts from HRES, including MSLP valid 26 December 12z.

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3.3 ENS

The plots below show EFI and SOT for 24-hour maximum wind gust valid 26 December.


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The plots below show cyclonic feature plots for maximum winds at 850 hPa inside a 300 km radius, all valid 27 December 00z.




3.4 Monthly forecasts


3.5 Comparison with other centres

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4. Experience from general performance/other cases

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5. Good and bad aspects of the forecasts for the event

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