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Why does the GFS chart always end up with a cold plunge over Ireland?

mike65 · 2013-04-17 11:28:53

Almost every time I look out to the end of the 15 days model there is an "oil drop" shape of low pressure air over us, obviously its a quirk of the computer model anyone know why it happens? typical example

17-04-2013 11:28am

#1

mike65

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Almost every time I look out to the end of the 15 days model there is an "oil drop" shape of low pressure air over us, obviously its a quirk of the computer model anyone know why it happens?

typical example

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