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First Legit Storm Potential of the Season Upon Us


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GFSAI 6Z would be warning snows back to the NY boarder...another good bump NW and beefed up is the takeaway though

00Z AIFS also bumped NW

good trends along with the 6Z GFS. EC/EPS still the farthest se but going in the right direction just need to see more from that camp, besides the AI stuff. 

gfsai6z.thumb.png.97d06c589036dbcd18032d5f4779fbf4.pngec6zai.thumb.png.16d27cf759408e078db48d8ed5343d29.png

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630 AFD. Even BOX unsure with AI models 

Quote
KEY MESSAGE 3...Offshore low pressure may bring a plowable snow to
portions of the region Sun-Sun night...but the westward extent
remains quite uncertain.

There still remains considerable uncertainty with the westward
extent of a potentially plowable snowfall in association with an offshore
low pressure system Sun into Sun night. We normally do not see this much
spread in the guidance for a day 3 forecast...but there are so many
moving parts. The 00z GFS/NAM/ECMWF operational models keep the low
pressure far enough east that taken verbatim would result in very
little if any snow ever reaching as far northwest as the Boston to
Providence corridor. However...it is more complex than that. We
noted that some of the 00z GEFS ensembles have shifted further
northwest. In addition...the 00z RGEM/UKMET were considerably
further northwest and would bring accumulating snow all the way back
across distant interior southern New England. Also of note...is that
the GFS/ECMWF AI models continue to be considerably west of the
traditional GFS/ECMWF models. These AI models bring a plowable
snowfall all the way back across interior southern New England.
While we do not have a lot of experience utilizing a lot of the AI
guidance...that is certainly concerning.

 

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9 minutes ago, Baroclinic Zone said:

Seems like op euro and eps are the lone outliers at this point to a moderate impact event. Skynet is more in line with rest of guidance. Solid overnight 12hr trend in the positive.

06z OP euro moved a decent amount. It has advisory snows into SE MA now. Just need one more solid tick and a chunk of eastern zones would get in on high end advisory or low end warning stuff. 

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1 minute ago, ORH_wxman said:

06z OP euro moved a decent amount. It has advisory snows into SE MA now. Just need one more solid tick and a chunk of eastern zones would get in on high end advisory or low end warning stuff. 

Maybe a storm where First and Final are backed up consecutively...late Fri night/Sat night.

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1 minute ago, RUNNAWAYICEBERG said:

Lol You’re like my boy at the blackjack table…he’s down a G but ain’t getting up.

Well, all I issued was a threat assessment.....but it's still bad practice to have to scale back from that preliminary stuff. I really hedged on mentioning 6"+. Sometimes I play hunches.

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