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2. Description of the event

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Infra-red imagery (above) and indeed several other aspects showed all the hallmarks of a sting jet, and it looks very probable that this was the cause of the narrow swathe of extreme gusts in the worst affected areas mentioned above. Indeed this and the general cyclone evolution seem to fit the conceptual picture and descriptions developed in this recent paper very well: http://www.tellusa.net/index.php/tellusa/article/view/27128

Satellite-images from 29 Nov 12z, 18z and 21z (from yr.no):

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An animation of the interpolated wind gusts can be found here: http://www.smhi.se/klimatdata/meteorologi/vind/2.3355


Maximum wind gusts:

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3. Predictability

  

3.1 Data assimilation

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