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Everything posted by olafminesaw
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It would seem based on obs, that little or none of this band is reaching the ground . Quite a dry airmass!
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We also just forget what a below normal winter feels like. The cold stretches were fairly impressive but mainly because they were sustained rather than because of near record cold. In fact, the coldest low of 15 at GSO is above the average coldest temp of 9. The min-max was somewhat more impressive at 23 vs the average of 27, putting it in about the 25th percentile.
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Comparing the 9z sounding to current on the HRRR, check out the lift on the left hand side, seems the drizzle was a result of subsidence, stabilizing the atmosphere (even though neither sounding has CAPE)
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Almost had a microburst look to it. I'm assuming the bow echo was able to bring down higher winds aloft, has weakened since
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Seems like 75% of the time, the line of storms is less impressive WRT wind gusts than forecasted. With today's dynamics, this one may be different, but I would not be surprised if the winds leading up to the squall line were as high or higher as the squall line itself (40-45 mph)
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spin ups possible outside the main threat region even with little or no instability with curved hodographs
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It's a good thing the line of storms will roll through by about 2pm for most of us. Could be a much more significant day for us if the front were faster (as it will be East of 95) I think the synoptic winds will be the big story, not so much the squall line, especially West of 85. I could see a few spin up tornadoes, in the favored region (mt airy, to Roanoke)
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The GFS Is showing gusts to 60 mph on Wednesday, while other models are much more reasonable. Should expect gusts in the mid 40s, but a big I difference between 40 and 50 mph gusts.
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EURO and Euro AI feature suppression. Certainly not the Barney cold as needed, to give wiggle room, about as "thread the needle" as a system can be. The only reason it snows on the GFS is it is able to produce it's own cold and draw down the colder air aloft.
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Going back to 1928, Greenville has never recorded 3 consecutive years with 1" or less of snowfall. They ended up at 1.1", so very close to setting that record. It's also true that they have never recorded 1.1" or less in 3 consecutive years, but that's a bit of a cherry picked stat.
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Hush now
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First 10 days of February were +10.5
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