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NJwx85

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Everything posted by NJwx85

  1. It's very hard to get significant precip up here when you have a positively tilted trough. You can thank the confluence over Northern New England for this. The GFS underplayed the extent of the blocking. The setup now definitely favors the DC to Philly corridor.
  2. Unless the models are overplaying the confluence to the North this is close to game over North of NYC. Two days ago the GFS had the 700mb low exiting off the NJ coast, now it comes off the coast in Virginia.
  3. I love the Jersey shore but it's not an ideal place to be during a snowstorm in NYC. Usually if it's going to snow big in South Jersey areas further North miss out or are fringed.
  4. Weenies see a low that's tucked into the coast and automatically assume dry/warm issues. That's not always the case. If something goes wrong with this forecast it won't be because of the surface low being tucked in.
  5. The precipitation on Sunday and Sunday night is driven by warm air advection. Basically running warm, moist air up over cold, dry air resulting in lift. No real threat for warm air intrusion because by the time the low gets close enough, the coastal storm takes over and flips winds to out of the Northeast. Any mixing issues in our area should be minimal unless the surface low doesn't develop fast enough. Overall this is a pretty good setup for big snow in our area. Great cold air source and long duration. Synoptically it's very close to some of our biggest snowstorms of all time.
  6. The reason why the snow coverage looks spotty on the GFS after 00z Monday is because the storm has peaked by then and is starting to fill and weaken. That's what happens when you get a vertically stacked storm. This isn't a rapidly deepening Miller A that's coming up from the South. #knowyourstorm
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