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packbacker

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  1. 12z GEFS had some interesting changes after the day 10-12 cold shot.  Finally starts to build a ridge out west but just off the coast so still a -PNA.  When looking at the +QBO/wNina v/s the +QBO/sNina the 12z GEFS and CMC-ens is kind of in between.  The wNina has a better Aleutian ridge that builds poleward and almost connects to the scand. ridge building toward Greenland and the sNina don't.  Both composite sets have a atlantic ridge but the sNina combines it with a SER so the SE is much warmer, which is what the GEFS shows.  Obviously we want the wNina pattern as that gives us a chance, the sNina patter doesn't.  I don't see why come mid Jan we aren't in the wNina/+QBO pattern....but then again, we do suck.  

    The sNINA/wQBO v/s the w/Nina/wQBO really diverge in Feb, the sNina is a furnace and the wNina's are very wintery.

    Screen Shot 2016-12-27 at 12.49.37 PM.png

    Screen Shot 2016-12-27 at 12.56.35 PM.png

  2. 11 minutes ago, Jon said:


    Not surprising at all, I expect a warmup in mid Jan if we can't get sustained blocking which is hard to do. The next cold would have to be last week of Jan/early feb


    Sent from my iPhone using Tapatalk

    Yep...transient cold shot or two in Jan.  Typical blah Nina.  Good news is Jan looks to be another AN month for RDU, would make it 8 in a row.  

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