Sep 15, 2009

Early Freeze Likely For Midwest Next Week

GFS continues to insist on a major cold punch for the Midwest by the middle of next week. Ensemble and European models are now increasingly supporting this idea. The GFS was at first an outlier with the upper trough which cutoff over the Northern Plains last week. But it correctly predicted the very unusual retrograde and northward track that it had all the up to northern Saskatchewan. It will be interesting to see if the GFS will get it right again. The 12z run even raises the possibility of snow in Minnesota on the 24th as 850 temps drop to -8C.

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