Poimen
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Everything posted by Poimen
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Yeah...If the precip can start earlier like the GFS, then that will up the snow totals considerably. Right now that might end up being the biggest hurdle. How long does it take to moisten the atmosphere? The GFS starts the precip a full six hours before the NAM and that 6 hours is all snow.
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Yes!
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It can be helpful to look upstream and see how a system is performing in relation to the modeling. I don't know how much it matters in this case, though.
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One last frame from the Canadian for Monday morning:
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It looks like another solid run from the Canadian at 18Z. A good snow for the western/Northern Piedmont from about 6Z-18Z Sunday, followed by a transition to sleet/Freezing rain for some...then back to snow with a good deform band Monday.
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No---sorry if I worded that incorrectly. It's the oppsite. It was going bonkers with precip (1.5" qpf)/snow 24 hours ago and some areas are going to end up with zilch.
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FWIW, and it may be totally unrelated, but it's interesting that it appears as if the NAM totally busted on the high side out in Oklahoma. Just brutal for some of those areas. Maybe it will bust here equally bad on the low side.
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RAH did mention the possibility of snowfall totals near one foot in the Triad. So there's that.
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RAH with the winter storm watch west of Raleigh.
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overall a much better run for the NAM. Going forward I'd like to see if it can moisten the column sooner, allowing for more snow on the front end.
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By 18Z Sunday the NAM has a sleet sounding over the Triad with a pronounced warm nose above 850.
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The NAM has an incredible virga storm over the Piedmont Saturday night as it has a really dry air mass above the surface. The column finally saturates by 12Z Sunday in the Triad and the sounding is all snow.
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“Major Winter Storm”
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yeah...the ARW cores had a mean snowfall of 11.63" though.
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Does anyone care about the SREF plumes at this range? GSO snow mean is 8.3" and qpf is 1.56"
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This sounds like inside info. Am I right?
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I suppose you can add the 12z Canadian to that list as well.
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I don't disagree. Still, will be interesting to see how it verifies.
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As others have stated, this will be a big test for the FV 3.
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Here's the best I can do:
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which model are you referring to?
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