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Chill Storm Discussion and Obs


WinterWxLuvr

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OMG I haven't been in these threads here for so long I've forgotten what a crackhead jebman is.

Anyways, DCA is 37/28 and IAD is 35/25 as of 3AM. Virga beginning to overspread the area, although the time between virga & storm onset should be short.

Composite radar is your best friend for hallucinations. Base actually isn't much worse, but it's clear there is minor dry air the precipitation will have to work through.

http://radar.weather.gov/radar.php?rid=LWX&product=NCR&overlay=11101111&loop=yes

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Well the NAM is either going to score the coup or it is going down with the ship. Its even warmer at 6z. It doesn't matter as much for our area, the difference between an inch or two of frozen and nothing...but its even more pronounced just north of us where all other guidance shows 6" or more and the NAM would imply just a quick change to rain. major difference right to the end, very interesting to see who wins.

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GFS is colder :lol: even has .5 QPF in NW VA with 850s below 0c at 12 hrs. IAD N and W is 32 per 2m at 12 hrs while DCA is 34ish and rising. DCA is 32 at 9 hrs wth over .25 QPF already and is or about to change to rain from sleet I would think. Someone is busting badly... NAM or GFS. By 21z everyone should be rain except way NW corner

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-SN in McLean, sticking everywhere. I think we see about 2" here before the changeover. 3-4" for IAD.

Looks like we could actually see some moderate to heavy snow for a brief period around 8AM or so. After the initial batch of precip moves through we will switch over, but I wonder if we can stay all snow for the duration of part one (if you look on radar, there's a clear distinction).

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