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February mid to long range threats discussion


Ji

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Recap from 12z:

 

Navy: mostly snow but don't have detailed midlevel/surface panels (best solution but second worst model next to the euro)

GEM: snow to mix to snow ( second best solution)

GFS: light snow to rain

Ukie; light snow to rain (very similar to the gfs)

Euro: raintown (but this model apparently really sucks)

 

What they all have in common is hp near bermuda. And that sucks.

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I'm just waiting for Bob to come in and tell us the euro ens is east of the op and looks good for a ma snowstorm.

Then Ji can come in with great news about the control run and the JMA

JMA is suppressed and it looks like its going to deliver a Miller A by hour 192

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At least some cold air is in place. A decent front end thump to rain wouldnt be the end of the world.

 

The difference in your locale to those of us in the beltway on that kind of set-up and opinion is stark. You all out there do really well in front end thump - we tend to be more to the quick to rain side of things. I am stalking one where we are snow from the jump and stay such.

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At least some cold air is in place. A decent front end thump to rain wouldnt be the end of the world.

 

With a high over bermuda there won't be a decent front end thump. We need the low to track below us or the midlevels are toast quickly because there's is no cad sig. Airmass is stale with no high to the north. 

 

Euro ens mslp track is a bit east of the op but from what I can tell it's the same reason the GEFS look better. There are 2 camps on the euro as well. Big cluster tracks into the ohv but there are enough that don't to keep an eye on it. 

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The 12z Canadian ensembles have more rainy solutions than they did at 00z.  For both the GEFS and Canadian ensembles, the op run takes a more southern / coastal track than the control run.

 

Buub5pC.gif

 

LmtD72O.gif

 

 

An optimistic way to look at this is that as you go to higher resolution, the more southern track becomes favored. 

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With a high over bermuda there won't be a decent front end thump. We need the low to track below us or the midlevels are toast quickly because there's is no cad sig. Airmass is stale with no high to the north. 

 

Euro ens mslp track is a bit east of the op but from what I can tell it's the same reason the GEFS look better. There are 2 camps on the euro as well. Big cluster tracks into the ohv but there are enough that don't to keep an eye on it. 

Yeah the mean is definitely somewhat east...but for the weird reasons you mention. Most of the solutions that bring the low out faster tend to be too far inland. Looks like most of the best hits send the low out of the gulf much slower, which makes sense. 12-18 hours more to get rid of that bermuda high and bring the low up the coast in tandem with the beginnings of the cold air out of canada...

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Yeah the mean is definitely somewhat east...but for the weird reasons you mention. Most of the solutions that bring the low out faster tend to be too far inland. Looks like most of the best hits send the low out of the gulf much slower, which makes sense. 12-18 hours more to get rid of that bermuda high and bring the low up the coast in tandem with the beginnings of the cold air out of canada...

 

Check out d8-9 mean and members. A whole bunch bring up a juicy low out of the gulf. Couldn't imagine cold being a problem in that scenario.  

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With a high over bermuda there won't be a decent front end thump. We need the low to track below us or the midlevels are toast quickly because there's is no cad sig. Airmass is stale with no high to the north. 

 

Euro ens mslp track is a bit east of the op but from what I can tell it's the same reason the GEFS look better. There are 2 camps on the euro as well. Big cluster tracks into the ohv but there are enough that don't to keep an eye on it. 

That pretty much what I say in my  latest article.  I favor the northerly track a bit but it's not a done deal.

 

http://www.washingtonpost.com/blogs/capital-weather-gang/wp/2015/01/27/two-more-chances-for-a-wintry-mix-this-week-late-thursday-and-sunday-snow-potential-if

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That pretty much what I say in my  latest article.  I favor the northerly track a bit but it's not a done deal.

 

http://www.washingtonpost.com/blogs/capital-weather-gang/wp/2015/01/27/two-more-chances-for-a-wintry-mix-this-week-late-thursday-and-sunday-snow-potential-if

 

 

Nice article Wes. I sure does look like a n track is favored. I suppose some of it hinges on the clipper before it. It does develop into a strong storm once it hits the ocean and moves north. At least there appears to be 2 camps with the globals and one of which would produce something around here. Just gotta hug that knowing the risk of a n track is very much in place. Still plenty of time for shifts one way or the other. 

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If we continue to get clippers jumping to the coast I think we will continue to get what we just got.

 

Event before this one was a perfectly organized rain storm moving over Atlanta and toward us but just no cold air. Pretty hard to get that track and not be a snow maker and if we can get that track again I think it will be a snowmaker.

 

Can we get rid of the Phillipine whore ads?

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I'm at 126.  There's a 1032 High where for us, normally there's a #$#%$ GL low.   If that storm down south charges into and through that, I'm going to start saying screw the GFS along with the Euro.

 

The clipper closed off and crawled away and the ns vort was weaker. I saw it early on. Better confluence and no low in the midwest is key on this run. 

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