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Thursday Wintry Threat II


Baroclinic Zone

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I would think the chance of TSSN for someone in a narrow area is pretty good.

Every model right now is showing a pretty wild period between 09z and 12z...maybe slightly earlier like you noted.

We actually might see a pretty good tail form over central and eastern areas is everything consolidates a bit more to the east.

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I think this will tick back SE at 0z.Always does. Berks and ORH hills will still do well on the back side (3-5"+). Even down to Tolland I think they eek out 2-4"

An extra hour or 30 mile difference in storm track would probably mean 2" or better. I'm not so sure about the se tick, but little nuances in this will make a big difference in the interior.

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I think advisories will go up for Berks/Monads/N ORH hills...not sure about S ORH and into NE CT...might be below advisory. Though I wouldn't blame them for putting one out if it was going to be 2.5" of snow in 2 hours near the morning commute.

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At any rate guys this has turned into a very interesting intense storm that 3 days ago was a deamplyfying SW. Somebody is going to get smoked with intense weather for a period. Great stuff.

edit I mean guys in the non genderspecific way

I'm looking forward to watching some snow fall. Could get crazy here for awhile. We're listening to Christmas music and the house smells great from the mulled cider on the stove. Love this time of year. Nice work defending SNE in that OT thread,lol

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having said that, the dynamics are going to have to squeeze out as much snow as it can, because the actual cold air is garbage.

so in this case, i am not equating SE with more snow, unless the dynamics are as modeled currently.

will be interesting to see it unfold.

The low is likely to be superbombing (>2mb per hour drop) as it tracks near CC...whenever you have that, you always have to be wary of the dynamics and how strong they could be.

They are always tough to forecast because everything can have a snowball effect if you see a little change. In the Oct storm...the storm got yanked a little further offshore and slightly weaker than modeled so we never saw the hellacious CCB tail over E MA before ending...obviously in the case of Dec 2005, we did...Mar 8, 2005 also did.

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It might a little, but unlike the many fringe systems of the last two years, this one is occurring in a +NAO with no blocking. In the former cases the models had errant runs where they teased us here in the deep interior with heavier snow, but the mother block to the Northeast always had the last laugh and acted as the suppressor.

Either way it is bombing as it moves to Cape Cod or off BOS, and so the comma head will have to sweep through with a switch to +SN at least as far as ORH. It may be brief but it doesn't have to last long if it is snowing at 2 or 3 inches per hour.

i agree.

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Is this output from the NAM? It's pretty cool to watch the storm bomb and the quick progression of the possible rain/snow line as modeled.

http://www.meteo.psu..._18z/cloop.html

Edit: Pretty much all of these are cool to loop through including the lower level temps that crash real fast when you get on the good side of the storm http://www.meteo.psu.edu/~gadomski/NAMSFC4_18z/comploop.html

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Is this output from the NAM? It's pretty cool to watch the storm bomb and the quick progression of the possible rain/snow line as modeled.

http://www.meteo.psu..._18z/cloop.html

Edit: Pretty much all of these are cool to loop through including the lower level temps that crash real fast when you get on the good side of the storm http://www.meteo.psu...z/comploop.html

That's pretty cool, thanks for posting. According to that all the rain/snow is through the area by 4am.

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I might have to set my alarm to watch this...

Will, do you think the winds will be cranking even this far inland, or is Phil getting all those goods?

It will def get pretty windy as the storm passes our latitude...models show >40 knots sustained down to 950mb so there is plenty of reason to expect a bit of that to mix down on Thursday morning.

The best winds will def be down on the Cape though.

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It will def get pretty windy as the storm passes our latitude...models show >40 knots sustained down to 950mb so there is plenty of reason to expect a bit of that to mix down on Thursday morning.

The best winds will def be down on the Cape though.

Is it ok for us to troll other regional threads?

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