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jm1220

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Everything posted by jm1220

  1. I wouldn’t focus on the run to run shifting on any model, I’d just focus on the radar. It’ll be a nowcast situation. These setups tend to favor NJ and the city but it really could be anywhere and the models all have the heavy rain axis pivoting around, so one swath will get the most in the AM but eventually everyone gets the hose.
  2. HRRR keeps trending west. Better news for me, bad news for the city. If the current radar means anything, the heavier showers seem pointed towards the city.
  3. It moved a little west from 12z but yes still a huge drenching. The inverted trough and upper air dynamics will focus the very moist flow coming in from the east, where that axis sets up will get walloped. And over time it’s expected to pivot around so even though not all of us will get 10”, many will probably get 3-4”.
  4. It’ll be a nowcast event to see where the training sets up and the very high end amounts. It should pivot around a little so we all should get a good soaking. But they do happen on LI too, it’s just been since 2014 they’ve been west of here. Aug 2011 and 2014 were the worst drenchers.
  5. You can already see the showers almost on the NJ shore so you knew the Euro/eastern models would be shifting west. UKMET is probably furthest east now.
  6. To be fair I think that’s the max ensemble member not the mean, but shows the scary potential here. That’s a 15” dot just north of me. And obviously many millions of people are in 7”+.
  7. That was on a different model-HRRR. The “bullseye” might really be anywhere in our sub forum but even if not there it looks to be a much bigger area of 2-3”+ rain.
  8. New UKMET has 10.5” rain at Islip, looks just like Aug 2014 again with amounts/distribution. Upton should really be issuing watches soon.
  9. Also very lucky that it hit LI during low tide. There was some surge flooding but nothing extreme like Sandy at high tide.
  10. Figured I’d bring this back for the rain threat tomorrow. Models other than the GFS are converging on very heavy rain for at least some/most here. HRRR most extreme with 10+ but other models with 5-6+ inches would also cause big problems.
  11. I would think flash flood watches should go up this afternoon given the trends to these huge rain amounts. Generally from PHL to BOS is probably a good bet.
  12. On these models other than GFS, someone seems to get absolutely blasted. It seems like where it starts out gets blasted the worst but over the day it pivots east, so even on the NAM where NJ/upstate get the heaviest amounts, we all get 2-3” as the rain pivots east. I’m hoping the GFS has a clue.
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