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Discussed in the following Daily reports:

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cqllabel = "case0869_storm_ingunn"

 


1. Impact

On 1 February the storm Ingunn hit Norway and Sweden, and broke wind records in both countries.

https://www.met.no/nyhetsarkiv/ekstremvaeret-ingunn-gir-ekstremt-kraftige-vindkast-i-more-og-romsdal-trondelag-og-helgeland

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The plots below 10-metre mean wind on 1 February 00UTC in observations (first plot) analysis (second plot) and 48-hour forecasts from  ENS control (9km), DestinE 4.4 km, AIFS, PanguWeather and Graphcast.

The plots below show 24-hour maximum significant wave height based on 6-hourly steps (31 January 12UTC - 1 February 12UTC) in observations (first plot) concatenated short forecasts (second plot) and ENS control forecasts with different lead times. 

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Same as above but with forecasts from DestinE4.4km.

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3.3 ENS

The plots below show EFI for maximum wind gusts on 31 January from different lead times (note different period from other plots due to limitations in EFI).

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Ensemble mean as black diamonds. Triangle marks the maximum in the model climate based on 1600 forecasts.

The plot below shows the maximum significant wave hieght on 31 January 12UTC to 1 February 12UTC for the buoy location outlined in the maps above.

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3.4 Monthly forecasts

 

3.5 Comparison with other centres

 

4. Experience from general performance/other cases

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