Storm5 said:
GaWx said:
Good news. The 12 EPS is actually about one day faster than the 12z GEFS.
haven't had time to look yet. that's good news Larry . Sounds like we are on track
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Yep, and we can now add the 18Z GEFS, which has similar pattern change timing to the 12Z GEFS, if not a little faster though not as fast as the 12Z EPS.
Just to give an idea of the change per the 18Z GEFS: 850's average a whopping +8C to +9C now through 1/23 for Birmingham-ATL-AHN-GSP-Charlotte-RDU corridor. Then they fall to 0C 1/25-1/27 (end of run, when E US trough firmly in place). That represents about a 15F drop, which is quite a clearcut signal considering we're talking ensemble mean here as well as being pretty far out in time.
So, in summary, change is very likely a coming for the last week of January but not before we have a pretty long run of some very pleasant wx dominating. It is hard to beat the ups and downs of a typical southern winter!