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NJwx85

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Everything posted by NJwx85

  1. You literally cherry picked the warmest panel. It's a little dicey 00-04z but the warm layer gets pushed back.
  2. If you read the comments for that tweet I posted it's full of people saying that they expected a good front end dump and instead ended up with a lot of ZR/IP. I'm not saying that necessarily translates up here but it does indicate the level of warming aloft. Cold air damming only keeps the surface cold.
  3. What? This is how much precip falls between 12z and 18z. After 18z nothing. So even if it does hold on it's over by early afternoon at the latest.
  4. But that band isn't stationary. It progresses North and then the dry slot comes in right afterwards. Yes, it's going to snow heavily, just think people need to curb expectations some. Hope I'm wrong. If NYC gets 14" it probably means that I get over 20".
  5. I don't think anyone down here is getting 3" per hour rates for four hours. Maybe very briefly during the peak. Do you have any concept as to how rare 3" per hour rates for 4 straight hours is? We don't have good dynamics, just basic warm air advection.
  6. The 12z RGEM looked good to me. Less profound of a dry slot and doesn't really shut off precip until around 12-13Z.
  7. I think Northern Manhattan, Northern Queens and the Bronx are going to get close to 10". I don't see how SI, Southern Queens, Lower Manhattan or Brooklyn gets to 10" without a big surprise.
  8. The only way that most of NYC is going to see a double digit snowfall from this storm is if it comes in much stronger and earlier than expected or if the models are wrong about the dry slot/mixing coming in around midnight.
  9. Based on current radar trends Washington DC should be reporting snow soon. Historically speaking we should expect snow about 4 hours after that happens. So my guess is a start time of around 2-3PM from SW to NE.
  10. I'm gong with a third of that. It's too short of a duration for snow. You would need 3-4" per hour rates to achieve 18".
  11. I'm going with 5-8" at Central Park. Totals will increase dramatically North of the GWB. I'm expecting a quick thump of 1-2" per hour rates from about 4PM to midnight and then a flip to sleet and dry slot for the coastal plain. The dry slot probably makes it about as far inland as the Rockland/Orange County border would be my guess. NW of that line will see the 12"+ amounts although the Hudson Valley could also get into that range if the track ends up slightly further South. I'm not so much worried about the sleet as I am the dry tongue above 700mb.
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