John1122
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Everything posted by John1122
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The point forecast actually shows colder lows down 75 towards Athens than for Knox and Anderson Co. 32 vs 33. Point forecasts aren't usually all that accurate but interesting that it some how arrived at that.
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OHX expanded their advisory area one tier of counties to the west but stayed with 1-3 inch totals for their CWA advisory area.
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The SPS has disappeared from the Knoxville to Chattanooga area. Will see soon what replaces it.
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I hope so, I'm thinking 2-4 is probably more realistic due to ratios.
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If looking for changes to the advisory, MRX lowered my snow totals in the ZFP from 2-4 to 1-3, so check yours vs earlier today to see if they've changed at all and it will probably give a clue to their updated thinking.
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The EPS has a banana high set up going at the time the OP is a cutter. I would guess it will trend away from that and probably keep trending colder. The OP is warmer than the ensembles and that is often the case, the OPs are usually more extreme one way or another.
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The Euro tries to cut at the end of it's run, even though massive blocking is in place. That has shown up before this year, it didn't happen. I want to say our early January snow event was a cutter on the Euro initially.
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41 currently, after 23 briefly overnight before some warming towards morning. Still nicely cooled ground should making laying quick for all of us.
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The 06z GFS is insane.
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The 09z RAP bumped totals across the eastern rim, Plateau and Knoxville area vs the 03z run. Has a monster downsloping element in NETN. Roane/Western Knox went from virtually nothing to around 2 inches.
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I'm most baffled by their statement that there isn't model consensus for the event. It's literally on every single model, the only inconsistency in the modeling is probably from Athens south. They are issuing a Winter Weather Advisory, continuing their very long tradition of not issuing a Winter Storm Warning outside the mountains unless circumstances are just slam dunk dire.
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HRRR comes in strong well back into the mid-state. MRX has mentioned wanting hi-res models on board. Be curious to see what they issue. Virtually all modeling is showing Winter Storm Warning criteria for their Plateau zones. Same for OHX.
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The Euro and GFS remain on separate planets regarding the upcoming cold or no cold. One will have to flinch soon. The GFS move to cold begins in less than a week.
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Euro has less warm nose and gets the mid state in the game.
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Possibly, but to me that just shows the potential of the pattern being modeled. The exact snow amounts and ice amounts and locations are a long way from being known. That said, both get 3-5 inches from that run. I doubt anyone would turn it down!
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If the GFS comes to pass we may all be ready. Still has highs in the single digits and teens and lows below 0 for many in the region for days on end.
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The snow and ice lines will move back and forth and likely won't be known until within 24-48 hours if even then. But there's a lot of cold and a lot of precip flying around over the next 10-14 days.
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Actually fairly warm rain. It's a very sharp divide on either side of the front.
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Long duration and slow buildup is the worst case scenario.
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Winter event for western areas starts in about 4 days or so per the Canadian. One wave moves through then another comes along. Massive West Tennessee ice storm.
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GFS still honking wide spread frozen events over the next week. Basically the entire forum will see some kind of frozen precip over the next 7-8 days and the cold will be stiff. At one point there's snow falling with Temps in the upper single digits and low 10s. Exactly where will not likely be determined until it's falling. Especially the freezing rain/sleet possibilities. But the cold is almost always further south and east than modeling indicates when they happen.
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GFS was still strong on warm nose but less strong than 18z. Sharp gradient with 5 inches in Knoxville and bare dirt in south Loudon and down 75.
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The bullseye is to be feared.
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They both rocked my area. I'm universally in 4+ inches across modeling. What can go wrong 24 hours out??
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Still wild blue yonder range for the HRRR but good to see it coming off throwing out .1 qpf here.
