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Carvers Gap

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  1. And not to overkill one run of the LR GFS, but that is split flow under that PNA ridge to boot.
  2. It cuts off a low in the southwest or the flip to colder would happen much quicker IMO. Looks like the date(multiple models and not just the GFS) for the next cold pattern begins around Jan5th(slightly early if that cutoff kicks out of the Four Corners a bit quicker).
  3. The 18z GFS, at range FWIW, is popping a massive PNA ridge after d10.
  4. Digging through this afternoon's teleconnections, it does looks like the Pacific will drive the next cold/cool shot maybe around Jan5th. Then, another warm interlude, then the -NAO takes a swing after that.
  5. @Wurbus, if that map below isn't worthy of a thread....I don't know what is.
  6. It is possible we could get downsloped west of 75 and 81. It happens with big coastal storms but the opposite side of the valley. I would be really surprised if anything slowed this front down. I have been monitoring web cams on the front range today. Even the folks in those areas are impressed.
  7. Can anyone tell if there would be lightning w those bands just east of Nashville on the GFS 18z?
  8. Just eyeballing, the Happy Hour run of the GFS looks a bit more robust mid-state.
  9. Wow, that is a big analog. It does look like a reloading pattern. The 12z CFSv2 has that. I really like 10-11 as my analog. If I had a wishful analog....raindance would be it. I was thinking today that maybe this wasn't our only bout of sever cold this winter w/ so much HL blocking showing up. Many forget that some of these really cold winters had very warm interludes.
  10. If many get an inch or two of snow.....you get them both. Honestly, with as wild as this is about to get(tropical storm force winds and sharp temp drop)....the thread will deliver.
  11. 12z Euro trended south. Nice hit from the Plateau westward and north of I-40.
  12. Sheridan, WY...I am noticing many roads in Wyoming are getting closed as we speak.
  13. @Holston_River_Rambler @jaxjagman I though this was pretty interesting.
  14. I always forget to look at the SOI. Let us know when the thing drops, especially if sharply...big storm signal if so.
  15. Good point. Yeah, this is tropical storm force winds followed by bitterly cold temps.
  16. Kind of sneaky, but ZR is now showing up for tomorrow AM in eastern Sullivan, Unicoi, eastern Washington, and Johnson counties of TN. SW VA also has some showing up as well. It isn't anything huge, but might be a pain in the you know what to drive on ~0.03 to 0.1. edit: W NC is also showing this and probably has the highest likelihood of problems.
  17. Here is another page from that site. I really hope that data is made a pay site. Easily is my top historical site for climate data. https://psl.noaa.gov/data/usclimdivs/correlation/long.html
  18. The reanalysis page which I use has this message: Default climatology has been changed to 1991-2020 That site might be a good place to start as you can toggle the base period norms: https://psl.noaa.gov/data/usclimdivs/
  19. 10-11 was a great winter. This winter is so far running quite parallel to that one.
  20. '14-15 is the snowiest I have ever seen my area of the TRI - and that includes some great winters of the 80s and 90s. From mid January to the end of February it just snowed and snowed. There were school systems with had 10+ days banked which ran out of days, and these weren't systems which just called out at the drop of a hat. I think that is one winter where my area was actually snowier than John's.
  21. Larry Cosgrove has had a pretty hot hand of late...These are his recent comments. He is a great follow on social media. Over the past five days, the various numerical forecast models have gone crazy with predictions of warming across the entire continent. I follow the more conservative GGEM ensemble run, since that is the only series that acknowledges the possible impact of a major storm undercutting a ridge in Nunavut AR. If you accept the idea of the January Thaw coming early, then a harsh winter weather pattern will return in the middle of next month.
  22. I was thinking about this as well. I think the wind chills make this unique and maybe the overall coverage of the cold. We actually have a shot to break some record lows and probably record high mins, especially in Chattanooga and TYS. I think it was 2018(December) when the North Fork of the Holston froze here. Likely, they are talking about the air mass in general as Montana may well set the hp record for North America. But certainly you are correct in saying we have had bouts of severe cold of late, especially December. This "might" be a tier colder though. Excellent catch as usual.
  23. Just a wee bit of variability....6z CFSv2 run on left. I "thin" January starts warm. How long that lasts is TBD. I do hear some chatter that it might have some aspects of November embedded in the pattern. That would mean a period of warmth followed by cold. I am 50/50 on whether this is a 4-6 week complete pattern change(see image on the right) or typical January thaw (end result see image on the left).
  24. The power outage potential due to high winds is concerning. MRX reiterated this on social media a few hours ago.
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