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Threat Jan 25-28th time fram. Possible Miller A


IsentropicLift

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GFS is in a world of its own. I suspect that its poor handeling of the current system is having downstream effects. It's much slower/weaker/supressed with the southern stream wave near the SE coast days 3-4 than the NAM has been showing consistenly for the past several runs. We need this low to intensify and move NE in order to get our nice 50/50 low setup. Looks like your typical 4-6 day run where the GFS manages to basically loose the storm all together only to find it in the 2-4 day time range all over again. Such poor run to run consistency this season, and this one can't be blamed on the lack of good sampeling of the northern stream.

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pathetic to be quite honest, and the southern stream basically sits and waits for the northern stream to dive down, which it never really does. With all that energy diving down you would think it phases over the gulf. This is not our system anyway. We want the storm in the 5-7 day time frame.

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Very well defined northern and southern stream on the gfs with the clippers associated with the northern stream and a gulf low trying to form in the southern stream. The problem is that they can't merge until we get to around Day 8 but even by then, they don't phase in time and we get a scraping at best. All in all, very different solution from the Euro/GGEM and other models.

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Based on the gfs, ggem, and ukmet, i could see a delayed but not denied scenario.

Having the first wave crap out actually allows another strong high to build in and then the vort over mexico eject with northern stream energy for a beautiful setup.

Will be interesting to see how this unfolds.

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I'm a bit surprised that Upton is referring to last night's Euro as a big flood potential.. I mean.. to me, temps don't look all that bad.. It looks like the 850 zero line and 2M zero line are within 30 miles or so of NYC. They make it out to sound like it's extremely warm.

Meanwhile our local mets are talking about blizzard potential for Tuesday and Wednesday -- lol guidance is all over the place yet again.

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IMO, it's too early to be talking about the amount of qpf, much less p-types for next week's possible event. I suspect that the 1/20 0z Euro is a western/warm outlier. The 1/20 12z GFS is probably an outlier to the opposite extreme. The ensembles have generally been somewhere between those two camps so to speak. I suspect a colder solution than the Euro and probably more significant one than the operational 12z GFS is more likely than either of the solutions on the operational guidance.

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IMO, it's too early to be talking about the amount of qpf, much less p-types for next week's possible event. I suspect that the 1/20 0z Euro is a western/warm outlier. The 1/20 12z GFS is probably an outlier to the opposite extreme. The ensembles have generally been somewhere between those two camps so to speak. I suspect a colder solution than the Euro and probably more significant one than the operational 12z GFS is more likely than either of the solutions on the operational guidance.

Words of wisdom once again, Don-- this seems to be true in most winters, but particularly this one-- a compromise of the different solutions is the most likely one. I havent seen any one model consistently outperform any other this winter.

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The GFS has some major cold again in fantasy time range... -24 850 mb isotherm through much of the state of Virginia.

lol it seens that it always shows major cold then as it gets closer it never materializes maybe this time it will.

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But it is materializing, haven't you checked this weekend's temperatures highs and lows. A lot of places are going to get near or below zero for lows and only teens to low 20s for highs.

Well according to NWS temps for this area are supposed to be in upper 20's for highs and around 12-14 for lows I don't consider that a real artic blast.

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