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Central PA Thread


Eskimo Joe

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Been away from the computer this afternoon, really itching to post haha.

Anyways, I think folks worrying about rain cutting markedly into snow amounts especially in the lower Susquehanna valley are legitimate in their concerns. This storm, as has been noted by alot of folks including myself has some parallels to our October storm. However there is one major difference that is probably going to have ramifications for our southeastern folks. When we had the October snowstorm, what really made the storm work was the fact we had the kicker system a couple days prior that established an unseasonably cold airmass and pretty much preset everything almost ideally to make for what seemed like a typical December/Jan snowstorm in its ease (considering time of year) of delivering sig snow to folks in the Sus Valley and of course up into New England. This one will not have that, as we will have to see how well the frontal boundary presses as the wave rides up. Getting the cold efficiently past the Apps into the southeastern zones can be a slow process, thus rain might not turn to snow until the dynamics of this storm kick in when it deepens. If this setup presented itself for the late October system, alot of areas that had half decent snow probably would've gotten all rain. Fortunately, it's December..so we should be talking accululating snow at some point in the game for everyone that gets the QPF..the question is how long does it take to turn over.

So I see it as a couple options, if the storm ends up backing east and focuses a snow axis from say MDT to ABE and points north/northeast of there.. than yea this is probably going to be more of a widespread 3-4 incher at best with higher spots cracking 6" or so and Pocono's high ground perhaps doing much better than that. The placement might be OK but the issue of getting the cold there in time will remain. If this storm continues the way of what the 18z NAM just threw out, than the heavy snow axis could be the JST/AOO/UNV/IPT corridor or most likely just southeast of that line. If heavy QPF gets focused on these areas, they won't have as much trouble turning over, especially JST and the laurels..where the cold air will get there first and then should bleed relatively easily into the western ridge and valley locations. If the .75-1.00 inch line can indeed work that far back, we could be talking a 6-10 inch event for the axis of heaviest with highest Laurels doing better than that.

Thanks for this. I am enthused but I do feel bad for our friends to our southeast.

Are you seeing any current weather trends of interest, as in progress of cold air east?

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Um yes please. Most if not all members better than OP.

http://raleighwx.ame...8zsnowf036.html

I posted this is the midatl thread not too long ago when someone referenced these maps. The resolution there is very poor... spreading out the precip quite a bit. Snowfall maps can be quite inaccurate themselves... but snow maps for the GEFS are pretty much useless.

Fun to look at nonetheless. ;)

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I posted this is the midatl thread not too long ago when someone referenced these maps. The resolution there is very poor... spreading out the precip quite a bit. Snowfall maps can be quite inaccurate themselves... but snow maps for the GEFS are pretty much useless.

Fun to look at nonetheless. ;)

It shows that the members are colder then the OP and more precip thrown back. Hopefully a good sign for 0Z

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