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14 hours ago, MJO812 said:

Gfs!:P

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I always love your enthusiasm to counterbalance the wacky waving, arm flailing, end of the world postings each year, but this has about as good a chance as happening as I do to have successive and successful dates with Ana de Armas. Both things fall under the category of Things That Won't Be Happening. 

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50 / 36  cooler today near / low 60s.  Best rainfall since Since late Sep and perhaps largest rainfall since early August.  1.00 - 2.00 widespread more north between Wed night and Fri night.  Cooler / drier weekend and through Thanksgiving.  Next shot at rain or perhaps a mix is black friday..

 

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9 hours ago, eduggs said:

We've got a Walt D. I-84 special modeled for Thurs - Sat morning but no Walt thread, which is unfortunate.

Most modeling now has first snowflakes of the winter for a lot of areas sometime during this period. Could also be a significant elevation snowstorm for at least a narrow area.

All I see are cutters?

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2 hours ago, bluewave said:

Great to see the models coming in wetter. This will be one of the strongest upper lows in the East this time of year. Hopefully, the is the first step toward a much wetter pattern as we head into December. 
 

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First time in a very long time that the southeast ridge has not fought back to screw things up and has allowed a northern stream s/w to dig far enough south and deliver the goods.  Hopefully a good sign of things to come but I'm not going to get carried away just yet.  I will take the upcoming rain and thoroughly enjoy it.

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Lots of people sleeping on this end of week event. Certainly most are focusing on the drought busting potential but also squinting into the distant future for a more perfect snow threat.

12z CMC and GFS look pretty wild for the immediate NW suburbs. Rapidly developing and stalling SLP wrapping moisture back into a marginally snow-supporting column. Any distinct banding could be fun. Modeling has been very consistent and if it holds this could be a fun nowcast. Highly trackable event!

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Lots of people sleeping on this end of week event. Certainly most are focusing on the drought busting potential but also squinting into the distant future for a more perfect snow threat.
12z CMC and GFS look pretty wild for the immediate NW suburbs. Rapidly developing and stalling SLP wrapping moisture back into a marginally snow-supporting column. Any distinct banding could be fun. Modeling has been very consistent and if it holds this could be a fun nowcast. Highly trackable event!

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When you saw immediate NW…


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18 minutes ago, eduggs said:

Lots of people sleeping on this end of week event. Certainly most are focusing on the drought busting potential but also squinting into the distant future for a more perfect snow threat.

12z CMC and GFS look pretty wild for the immediate NW suburbs. Rapidly developing and stalling SLP wrapping moisture back into a marginally snow-supporting column. Any distinct banding could be fun. Modeling has been very consistent and if it holds this could be a fun nowcast. Highly trackable event!

Yeah I'd say it's worthy of its own thread since it's early and the first threat of the season. 

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This has positive bust potential written all over it. Soundings show 35-38F with rain/snow or wet snow on the southwest side of wherever the SLP tracks. But dynamic cooling in any intense banding could easily bring that to 33 or 34 and pounding parachutes. The cold air delivery has worsened slightly in recent runs unfortunately.

I think a few places could get a surprise coating to maybe an inch or two that were not expecting anything wintry. Still looks like the NJ-NY-PA border area up into the western Catskills is the place to be for a plowable event. but it's definitely worth watching even across Morris, Passaic, Putnam, Westchester etc.

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32 minutes ago, eduggs said:

Lots of people sleeping on this end of week event. Certainly most are focusing on the drought busting potential but also squinting into the distant future for a more perfect snow threat.

12z CMC and GFS look pretty wild for the immediate NW suburbs. Rapidly developing and stalling SLP wrapping moisture back into a marginally snow-supporting column. Any distinct banding could be fun. Modeling has been very consistent and if it holds this could be a fun nowcast. Highly trackable event!

Wrap around moisture is usually a fail, more times than not?

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very dynamic solutions showing up for NNJ and parts of the HV. very good FGEN and lift

gfs_z500_vort_neus_11.thumb.png.57cb79fbda8579df8d94a9db9b15d169.pnggfs_temp_adv_fgen_700_neus_11.thumb.png.1fcc38e238f69c4a0841b5815156ba50.png

BL is going to be an issue this early in the year but heavy rates and post sundown timing really increase the odds for accums. hills are going to be favored in these early season situations, though it's best not to mess around with setups as dynamic as these

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12 minutes ago, Dark Star said:

Wrap around moisture is usually a fail, more times than not?

Well sure. Locally it's difficult to get snow on the backside of a storm. That's primarily due to regional topography and the timing and placement of mesoscale features. The Catskills and Taconics do better due to the upsloping component instead of downsloping.

Chances are low by default in our part of the world. But we have a slow moving, mature mid and upper level low with strong moisture transport, excellent PVA, vertical accent etc. These are the prerequisites for a "wraparound" event, particularly in a marginal column. Whether the 500mb low and associated vorticity swings up into New England, northwest into CNY, or stays put in CT could determine if anybody locally whitens the ground.

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1 hour ago, eduggs said:

Lots of people sleeping on this end of week event. Certainly most are focusing on the drought busting potential but also squinting into the distant future for a more perfect snow threat.

12z CMC and GFS look pretty wild for the immediate NW suburbs. Rapidly developing and stalling SLP wrapping moisture back into a marginally snow-supporting column. Any distinct banding could be fun. Modeling has been very consistent and if it holds this could be a fun nowcast. Highly trackable event!

I wish the LI Sound wasn’t still a billion degrees. Can someone send some dump trucks full of ice there? 

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