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ILSNOW

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Posts posted by ILSNOW

  1. 4 minutes ago, Chicago WX said:

    Big shift south on the 12z NAM, with respect to N IL snow prospects...farther south snow field. IA, WI, and MI jackpot, as usual. Probably overdone with amounts, but fun to look at I guess.

    yep nice to look at the NAM (Never Accurate Model)

  2. 12z NAM apparently didnt get the message. Why is this model even around any more. We are within 24 hrs of a potential storm and most  models have no precip in the Chicago area and this model has a 13 inches . It should be replaced by a dart board. At 18z is will go from 13 inches to 0.

    snodpc_acc-imp.us_mw.png

  3. Chicago NWS snippet

    Forecast soundings have continued to show that a rain and snow would
    be the dominant precipitation types with a sharp gradient separating
    the two p-types across the area. Recent trends have stared to hint
    at the idea that areas north and west of I-55 would be the most
    favored for snow and potentially heavy snow as the aforementioned
    enhanced forcing interacts with it. Given that surface temperatures
    are forecast to be around freezing the snow would likely be a wet
    snow with ratios on the order of 8:1 to 9:1. While it is still too
    soon to narrow down the exact location of where this heavy snow band
    would set up it is looking like areas under this band could see
    accumulations in excess of 3 inches which would lead to hazardous
    travel conditions during the day on Friday, but especially during
    the afternoon hours.
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