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Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.


John1122
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The “northwest flow” is almost north to south right now. This is really good for Knox County because it eliminates a lot of downsloping we get from the mountains in Morgan and Anderson County when the flow is more traditionally out of the northwest


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Starting to pick back up
Facebook_creation_A18D83A4-0D08-4843-9E41-3EC70BEE66BE.thumb.jpeg.5ee241e3f504ecf9864c65e4b460b3ad.jpeg


I’m just now checking in where I’ve been out for a while but man… looks like you scored pretty big. That looks like 6 to 8 inches at least on that table.


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1 minute ago, bearman said:

Yeah, it really started dumping, but I think we are transitioning to the more NW flow part of the storm.  

I was thinking maybe it was just the flake size getting bigger because we were warming up but no, visibility has definitely dropped. I think the models had it cutting off for our area around now and only continuing in the foothills, but I wonder with the air saturated/NW flow and temperatures dropping whether we can wring out a bit more moisture this afternoon/evening. At least enough for more mood flakes

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3 minutes ago, WintryMixmaster said:

I was thinking maybe it was just the flake size getting bigger because we were warming up but no, visibility has definitely dropped. I think the models had it cutting off for our area around now and only continuing in the foothills, but I wonder with the air saturated/NW flow and temperatures dropping whether we can wring out a bit more moisture this afternoon/evening. At least enough for more mood flakes

Soundings showed the possibility of this going on thru the night, but models didn't have any lift to put anything down on snow maps (that was when i was looking pre event). Haven't checked them since event started.

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39 minutes ago, GBOVolz said:

NW flow has kicked in. It is absolutely puking in the snow at my house, potentially the biggest flakes and the heaviest I’ve seen so far and it’s not on radar. So I’m guessing this streamer coming down through East Knox County is really laying it down since it’s being picked up by the radar.

ce2ae37bbff6bf9180d8288daad5cb6e.jpg


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I picked up another inch or so from that. It puked for about an hour, it just slowed down.

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20 minutes ago, bearman said:

It is ripping here now.

From the weather channel's radar, you can see the thin band of heavier snow that set up shop N-S through Cedar Bluff and briefly jogged west 1-2 miles and gave me that period of heavier snow (that dot it actually about 1.5 miles due north of my house)

Screen Shot 2026-01-31 at 2.06.00 PM.png

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Big wreck on 40 just east of 640 headed west. This wreck happened about the same time one of those streamers was on radar in E Knox Co i was talking about.

cb89c92874f14e641c1aa8ebb06d2bfe.jpg


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Oh wow!! I hope everyone is ok. I’m gonna sit back and chill with the wifey. We actually had to reschedule our cabin because of the cleaners couldn’t make it there and I’m not sure that we’d want a Traverse Mountain Road in these conditions


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It looks to me that the snow bands are curving towards the SW for some reason. Is this wind shear or is there a high pressure wrapping the snow around it?

I can’t get the gif to load so I tweeted the gif to link it here.

https://x.com/powellvolz/status/2017677102644945245?s=46&t=LVg8BRWCh1zZb6F_t95EVg


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If someone can gif that gif and post it here that would be great


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