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December 19th-20 Storm Thread II


Baroclinic Zone

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I kind of pulled a Kev in that I didn't mention the context in which you tossed out '78. lol

Yeah don't get me in trouble, lol. I don't want to be the person who everyone says this will be another '78 or April '97. I'll say it if the time comes, but right now, we are still just trying to get this back to looking decent on a lot of guidance. At this point I'll take a moderate event.

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oh i didn't think it was going to be better than 12z... but sure beats 18z. Definite weenie solution for the Cape and Se Mass here.

I don't think the Cape would do that well, especially further out. GFS 2m temps show it's nearly 40F there...I know these values are notoriously inaccurate but this track does introduce a lot of E/NE flow which isn't so great at this time of year for Cape Cod. Overall a pretty bad run: the East Coast doesn't get pounded with a blizzard, Boston gets only a moderate event to barely compensate for a crappy month, and the areas with heavy QPF change to rain.

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We'll know if we are getting a monster in 2 hrs.....if the EURO follows suite and looks like them, I'll stand down.

Was just about to say this. I think that it's pretty certain that at least eastern sections get hit...how much we'll worry about as we get closer but time may be quickly ticking for western areas. Tonight's euro will be pretty big though, if it trends with the NAM/GFS then I think at least my area can discount a big storm although a few to several inches could still be in the cards.

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I don't think the Cape would do that well, especially further out. GFS 2m temps show it's nearly 40F there...I know these values are notoriously inaccurate but this track does introduce a lot of E/NE flow which isn't so great at this time of year for Cape Cod. Overall a pretty bad run: the East Coast doesn't get pounded with a blizzard, Boston gets only a moderate event to barely compensate for a crappy month, and the areas with heavy QPF change to rain.

shake.gif

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You saw what I said elsewhere a day or two ago. I think Bos/PVD SE MA are going to be the winners for QPF. I'm not real sure it can snow a lot down here in this setup yet.

Somewhere in the boston to PVD corridor should do pretty well, esp around Bob.

Yeah I agree. I think we're seeing most models step back from an early enough phase to clobber most of SNE. Cape will have some problems though verbatim on the GFS I think many areas probably are just cold enough to snow in the CCB.

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I don't think the Cape would do that well, especially further out. GFS 2m temps show it's nearly 40F there...I know these values are notoriously inaccurate but this track does introduce a lot of E/NE flow which isn't so great at this time of year for Cape Cod. Overall a pretty bad run: the East Coast doesn't get pounded with a blizzard, Boston gets only a moderate event to barely compensate for a crappy month, and the areas with heavy QPF change to rain.

Excuse me? Did you look at GFS? I'm seeing an inch of qpf through 120 of which at least 3/4 is a good thump of snow.

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I don't think the Cape would do that well, especially further out. GFS 2m temps show it's nearly 40F there...I know these values are notoriously inaccurate but this track does introduce a lot of E/NE flow which isn't so great at this time of year for Cape Cod. Overall a pretty bad run: the East Coast doesn't get pounded with a blizzard, Boston gets only a moderate event to barely compensate for a crappy month, and the areas with heavy QPF change to rain.

It won't snow anywhere near the coast in the GFS scenario down here. What I mean is back a few miles even if it cooled enough from the water from Boston south it would be almost impossible to see much significant snow in that situation. The water is just too warm and there's no big high pressure. As the low moves away it would probably change back over to snow. We had a storm several years ago very early that buried areas back from the water even down towards west wareham. My front yard it rained, back yard it snowed.

If everything came together I could see Middleboro doing okay down alone Rte 28 and points NW that get 5-10 miles back from the water, but not here. Not that excited, a lot of rain. Really wanted to see it well NW so we saw a lot of snow on the slopes.

We can do well here from moderate events early. But raging NE winds forget it down on the Cape and SE MA.

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Yeah I agree. I think we're seeing most models step back from an early enough phase to clobber most of SNE. Cape will have some problems though verbatim on the GFS I think many areas probably are just cold enough to snow in the CCB.

Yeah I think the Cape would get pasted....if you look at the soundings on the GFS, the WBZ height is like 980mb...just above the sfc. Given the GFS is notorious for torching the 2m temps, I would bet on snow if the GFS solution came to fruition.

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You saw what I said elsewhere a day or two ago. I think Bos/PVD SE MA are going to be the winners for QPF. I'm not real sure it can snow a lot down here in this setup yet.

Somewhere in the boston to PVD corridor should do pretty well, esp around Bob.

These storms are in my wheelhouse. This is why I love em.

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shake.gif

Dude this storm misses nearly everyone on the 0z GFS except for a narrow sliver of land that you happen to inhabit, whereas the 12z ECM showed a 2' HECS, basically another version of January 1996, with RIC-BOS getting creamed. Moreover, most of the precipitation on the GFS is over Cape Cod where easterly winds are scouring out the cold air; we don't have a strong arctic high to our north to keep the flow backed, so they'd quickly change over to rain being surrounded by SSTs in the 40s. All of the models have trended east...GFS, NAM, UKMET, etc. Not a good sign. Another jump east and you are totally out of the QPF too.

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Dude this storm misses nearly everyone on the 0z GFS except for a narrow sliver of land that you happen to inhabit, whereas the 12z ECM showed a 2' HECS, basically another version of January 1996, with RIC-BOS getting creamed. Moreover, most of the precipitation on the GFS is over Cape Cod where easterly winds are scouring out the cold air; we don't have a strong arctic high to our north to keep the flow backed, so they'd quickly change over to rain being surrounded by SSTs in the 40s. All of the models have trended east...GFS, NAM, UKMET, etc. Not a good sign. Another jump east and you are totally out of the QPF too.

The eastern half of SNE sees warning criteria on the GFS.

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