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Old December 19th 12, 05:22 PM posted to uk.sci.weather
Stephen Davenport Stephen Davenport is offline
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Default Big change on GFS 12Z

On Wednesday, December 19, 2012 5:16:41 PM UTC, Stephen Davenport wrote:
But, yes, very different to yesterday's 12UTC... because that was an enormous outlier! It was interesting that for Germany, for example, nearly all the GFS ensemble members in the 00UTC GFS today were below even the coldest members of the 12UTC GFS ensembles yesterday. You don't often see such a huge change in ensembles at such short lead time. ECMWF has been somewhat steadier.



Stephen.


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Er, I meant 12UTC ensembles yesterday were way colder than the 00UTC previously...

Sorry.

Stephen.