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2/19 East Coast Winter Storm Threat


OKpowdah

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Well that was interesting, but lets see what the rest of the guidance does. Like I said earlier...having an op run or two show a hit while ensembles or maybe another op run disagree will still have us wondering.

Not sure what the 12z's looks like but of the 12 members posted at PSU E-wall's site, 3 of the 00z GEF members did have a juggernaut event. When I saw that a few moments ago, I did raise a brow some. hmm.

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Yes. And I am most interested in these ensemble members and the Euro run today. Should be interesting one way or another

GEFS have been awful. The Euro should have a clue by 12z today. If its still OTS it could very well end up that way. Dont have verification scores, but he Euro has been pretty good inside D3-4 this winter compared to the GFS lol.

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Welp, in any event ... lack of downstream blocking should assist this in moving right along. I did show an example of a slow mover in a weak block scenario; this doesn't vibe that way though.

Already the next system behind it is completely different now in that it looks like a continental event; also conserving progressive flow tendencies.

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The GEFS haven't been awful per se. They were actually the first of any guidance to demonstrate the subsuming idea and a significant event for the Northeast. They have had issues with the amplitude of the southern stream, just like the op GFS struggled with.

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GGEM is terrible. It's missing the intermediate s/w's the GFS has across the northern part of texas and another a bit further north. As a result the southern complex is left way behind. Doesn't even do much in VA.

There are some complex interactions that could make this go poof too. Literally, everything has to work in harmony, and that's what the GFS op shows. . We'll see what the euro does.

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There are some complex interactions that could make this go poof too. Literally, everything has to work in harmony, and that's what the GFS op shows. . We'll see what the euro does.

We could probably trace back to the very early init...re where the differences are. Those features have to be on a map somewhere if they're legit. But...i just don't care that much. The euro is usually very good with picking out all the features at this range so whichever way it goes...I'm onboard.

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The GEFS haven't been awful per se. They were actually the first of any guidance to demonstrate the subsuming idea and a significant event for the Northeast. They have had issues with the amplitude of the southern stream, just like the op GFS struggled with.

Well yeah for this event they have had a few individual members ride that idea for a few days now, I was talking more overall this winter they have performed poorly versus the Euro Ens.

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I'm racking my brain..I just can't think of any big east coast snowstorms like this where the GFS has had first and the Euro didn't. The Euro has never had this as a direct hit up here..just a grazer. You just can't imagine the GFS is able to see something the Euro isn't. I am going to have to pass

Ignoring the D6 and D7 BEASTS on the Euro, the GFS scored first with the Boxing Day blizzard inside 60 hours

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I agree - numerous pieces have to come together right in order for the storm to make it all the way up to New England.

I'd bet the Euro trends more amplified and phased. It nearly always trends the same way as the UKMET, and the UKMET made a dramatic shift toward a significant storm:

post-88-0-51425600-1329324609.png

There are some complex interactions that could make this go poof too. Literally, everything has to work in harmony, and that's what the GFS op shows. . We'll see what the euro does.

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I'm racking my brain..I just can't think of any big east coast snowstorms like this where the GFS has had first and the Euro didn't. The Euro has never had this as a direct hit up here..just a grazer. You just can't imagine the GFS is able to see something the Euro isn't. I am going to have to pass

12/26/2011

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This winter that wouldn't mean much more. The Euro has had its fair share of fluke runs with major snowstorms

At D7 yes, none within 96 hours I don't believe.

From what I can recall, the Euro has been the forerunner when it came to handling numerous s/w in the pattern, and whether they'd amplify or not. The GFS had been flat and the Euro had many SWFE that effected NNE only to have the GFS catch up within 72hrs.

Please correct me if I'm wrong, I'm just going off recent weeks/months.

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Any worries about sub-optimal position of high / weak confluence?

I vaguely remember past scenarios when the GFS was farthest NW outlier with Euro out to sea, but once Euro caught on it abruptly showed cutters... my fear is that once(if) Euro / GGEM catch on to the correct timing of all the players, they'll track the low closer to coast / farther inland...

(Not trying to be a debbie, totally amped up about this as the futility anihilator we've been waiting for, but trying to flesh out details as we await future runs)

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I'm racking my brain..I just can't think of any big east coast snowstorms like this where the GFS has had first and the Euro didn't. The Euro has never had this as a direct hit up here..just a grazer. You just can't imagine the GFS is able to see something the Euro isn't. I am going to have to pass

Broken clock accuracy statement.....Remember, there are only a limited number of outcomes possible - the GFS has to blunder into one we like sometime.

However, we must remember also that in statistics, there is no such thing as being "due"........so long as the population to be sampled is large and "re-usable".

Unfortunately, the warm mild days have been issued with abandon this year count as being re-usable...........

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