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Everything posted by John1122
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Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.
John1122 replied to John1122's topic in Tennessee Valley
I guess it's NW flow with the Arctic air but it's still rolling quarters and nickels here. Down to 21.6 degrees. It's extremely fluffy, a normal snowball sized handful gets you about a ping pong ball sized one. I've somewhat overperformed the half inch forecast now.- 547 replies
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Thank you. The general radar sites look wonky.
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Can anyone tell which way the snow is actually moving? I don't have radar scope. But it looks like it's moving SW to NE then NW to SE over my area. Strange looking. According to the HRRR it should start moving NE to SW by 9 or 10.
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Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.
John1122 replied to John1122's topic in Tennessee Valley
Always try to add these for time/temp stamp when going back later to look at these. -
Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.
John1122 replied to John1122's topic in Tennessee Valley
Heaviest snow of the day so far right now. Quarters rolling down with probably just under 1/2 mile vis. So between moderate and heavy snow. -
Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.
John1122 replied to John1122's topic in Tennessee Valley
I convert them to gifs and do it. -
Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.
John1122 replied to John1122's topic in Tennessee Valley
Steady nickels falling. Close to an inch down now. 24 degrees. -
The 18z Euro maintained its 4+ Plateau east, with 2.5 in Chattanooga.
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Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.
John1122 replied to John1122's topic in Tennessee Valley
Per the HRRR it shouldn't even be snowing now. But around 9pm it shows snow backing from SW Va across east Tennessee and it is at its heaviest and most widespread from probably 3am to 9 or 10am. -
Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.
John1122 replied to John1122's topic in Tennessee Valley
My 1/2 inch forecast has gone bust for MRX. -
Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.
John1122 replied to John1122's topic in Tennessee Valley
In town where there was no snow earlier. Everything is covered and it's ripping. -
Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.
John1122 replied to John1122's topic in Tennessee Valley
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Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.
John1122 replied to John1122's topic in Tennessee Valley
Flake size here has went from about the diameter of a pencil eraser, to about the size of dimes and nickels now. Temp is now down to 27. -
20z RAP looks like the RGEM.
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RGEM remains rock steady with 4+ inches from the Plateau eastward, and 2+ for Chattanooga. Big run of the ICON and it's fallen close to in line with other models after being far east all day yesterday and the day before.
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Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.
John1122 replied to John1122's topic in Tennessee Valley
Thanks, I was curious about how heavy it might be, it looks impressive on radar. -
Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.
John1122 replied to John1122's topic in Tennessee Valley
Anyone in the mid-state seeing anything from that band? -
Gonna see who wins the war, all models (except maybe the NBM) or my point forecast. (my high today has been 29) This Afternoon A 40 percent chance of snow showers. Cloudy, with a high near 34. North wind around 5 mph. Tonight Snow showers, mainly before 3am. Low around 11. Wind chill values between 1 and 6. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
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The 3k has a 6 inch dot close to me now.
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It took me from 1 inch to 4 inches.
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The 18z HRRR snowfall output looks almost exactly like the Euro but with a little less in the southern valley around downtown Chattanooga.
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Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.
John1122 replied to John1122's topic in Tennessee Valley
Finally getting that foggy look, the flakes are small, the temp has dropped a degree and snow is beginning to cover up raised surfaces where the snow had melted off. -
This is a pre-event portion. Most accumulations are supposed to be tonight. My forecast for tonight is 80 percent snow, low 12, accumulation 1/2 inch. It's MRX vs the Euro and all other modeling except the NAM now.
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Yes.
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Jan 30th-February 1st 2026 Arctic Blast/ULL Snow OBS Thread.
John1122 replied to John1122's topic in Tennessee Valley
The clouds are thick here and the temp is 29 but the snow is very light so far.
