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Election week coastal storm threat


Midlo Snow Maker

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ehh one thing showing up on all the guidance now is that the trough is becoming less sharp due to the second shortwave diving in the backside. Instead of it all going extremely negative and pulling the storm in tight its a broad cut off low that is more strung out. Not good at all for what we need here.

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Has everyone really abandoned ship/bus because of the 18z GFS? After pretty good model consensus between the GFS and Euro at 12z?

I have not abandoned ship, but I was skeptical even before. I think there was some confidence because of the results with Sandy and the Euro being consistent but I have seen this type of setup before. Needing a storm to bomb like this and pull in from the east almost...its very rare that it works out...and more often then not something does not go exactly right and the phasing or timing is just a little off and it does not bomb out in time for our area. Being in the furthest south and west of the megalopolis we need the most amplified solution in these situations and that is just never likely. I also thing some people confuse the "north" trend with a "west" trend. I have found over the years that there is definitely a tendancy in many storms for models to trend north over time with the H5 features and thus the storm track. This is not as true of a west trend...when a storm is too far east for our area its more rare to get it to trend west. All of that said... I have not given up that this might pop faster then normal and give us all a surprise, it happens...everyone throws around Jan 2000 and there was a storm in Feb of 1996 where we all went to bed thinking the NJ coast might get snow and woke up to a 6-12" snow in DC as the low bombed out 200 miles west of where models said only 6 hours out. I just feel like its a long shot...and was even before the 18z models.

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The GOM is closed for business, any GOM moisture is flung out to the east of the low

and the west side, just west of the deformation zone has dry downsloping.

The moisture convergence is north-south oriented so that precip has a sharp cut off on

the west side.

http://aviationweather.gov/adds/satellite/displaysat?region=US&isingle=multiple&itype=wv

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