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Old December 27th 12, 01:00 PM posted to uk.sci.weather
Stephen Davenport Stephen Davenport is offline
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First recorded activity by Weather-Banter: Nov 2007
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Default Another stratwarm underway!


At 60-90 deg N the forecast reversal of mean zonal wind is clear in ECMWF's 10-day (at days 9 and 10):

http://wekuw.met.fu-berlin.de/~Aktue...&var=u&lng=eng

This is always worth a look as well. I'll get interested when the EPV points polewards:

http://wekuw.met.fu-berlin.de/~Aktue...w/wdiag/ts.php

Stephen.