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Median to above confidence for moderate (major?) impact event, midweek


Typhoon Tip

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7 minutes ago, Stash said:

Yikes, big cutback over ALY area from KALB on north where they currently have 12-18 forecasted.  

We don't want to see the Euro take a tic E tonight, that's for sure.  BOX and Albany have been really aggressive with snow amounts from Catskills through Albany, Berkshires and NW MA.  I would rather not wake up to see those totals cut by 1/3 or 1/2 but I have had a hard time believing the amounts for WNE / E NY / S VT.  

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That faux GFS mixed layer really taints the overall look to things. When I plot 950 mb temps, the Reg and NAM12 really give a reasonable look to the coastal front pinned near 95. But the GFS has above freezing well back into MA and NH because it thinks 950 is in the mixed layer. 

In my opinion it even taints the wet bulb temp, because the surface is just too warm in the first place and gives an artificially high wet bulb because of it.

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Sup folks!

Spent the last hour catching up.  Not surprised by some of the model trends.  Razor thin margin for some still.  Still a great thump for the CT peeps up into MA W of Rt 128 and N of I-90.  The 00z RGEM has a nasty dryslot that shuts off the precip in E areas around midnight or shortly thereafter.

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1 minute ago, OceanStWx said:

That's a pretty great mid level track for you.

Yeah we take. All day I thought we'd get skunked with some mid level issues.... but GFS/NAM are great. I'm thinking we wind up with crappy ratios in the valley - but still that's a great look. 

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17 minutes ago, OceanStWx said:

That faux GFS mixed layer really taints the overall look to things. When I plot 950 mb temps, the Reg and NAM12 really give a reasonable look to the coastal front pinned near 95. But the GFS has above freezing well back into MA and NH because it thinks 950 is in the mixed layer. 

In my opinion it even taints the wet bulb temp, because the surface is just too warm in the first place and gives an artificially high wet bulb because of it.

Believe it or not it smacks as though an entire series of physical equations were inadvertently left out of the final build of that model… An error that somehow went under the radar during release and it's been functional with it ever since. Wasn't this new version of the GFS released in the summer?

Re-the wetbulb thing: during the nor'easter the GFS had windswept pouring rain at 39/30 the whole way for Worcester… It really seems like it physically is failed programung how to saturate the atmosphere in the bottom of the Ekmanlayer 

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