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    January 2014 Observations and Discussion

    Alec Isaacs
    By Alec Isaacs,

    Discuss any weather related East Coast topics here. You can create additional threads for large-scale events.


    January 500mb Anomalies For Various Periods 1948 to Present

    snow_wizard
    By snow_wizard,

    I just ran some composites for January 500mb anomalies for North America and the NE Pacific and the results ares stunning.  It's incredible how certain anomaly patterns can lock in for decades and then drastically change to something different.  To have such extreme anomaly signatures show up over such long time periods is pretty amazing.  Anyway this clearly shows why January has sucked balls since 1980.  The composite for 2007-13 is certainly an improvement from 1981-2006, but still a long way to go.  The first two maps are from the cold phase.  One is 1948-1980 and the other 1949-57.  The next one is from the warm phase 1981-2006.  The last map is from 2007-13.  Obviously we need the positive center to move NW for things to get good.

     

     

     

     


    Winter Storm/Clipper System January 21st-January 22nd

    Alec Isaacs
    By Alec Isaacs,

    A winter storm will be affecting portions of the East Coast tomorrow afternoon. My current thoughts are located below along with a few model predictions.

     

    http://usforecastnetwork.com/all-updates/alberta-clipper-forecasted-drop-large-amounts-snow-northeast/

    heavy snow storm northeast.png

    Current NWS watches/warnings

    Screen Shot 2014-01-20 at 10.04.30 PM.png

     

    00z NAM

    model nam.gif

     

    00z GFS

    gfs model.gif

     

    SREF

    SREF_SNOWFALL_MEAN12HR_f027.gif

    PS: Is it possible to post attachment images in full-size?


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