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The Psuhoffman Storm


Ji

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  On 1/23/2011 at 4:10 PM, Always in Zugzwang said:

Is that some high pressure (relatively) building to the north and west of the low, I see before me? Also, what's that small vort/shortwave just to the west of the main storm? Was that there before, because I wonder if that's making it scoot out to sea more, rather than turn more northeast?

Was thinking the same on both counts. Definitely a good run for the GFS though. If it had continued to trend S or E then we would have been in trouble. Those of us in Central MD are still looking for a westward shift but that might not be too much to ask at this point. I am worried about that kicker though... hopefully we can continue to trend west.

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  On 1/23/2011 at 4:13 PM, PhineasC said:

I love this run. Great temp profile and precip pattern. We need a north move now, rather than needing a south move in the vort as in the past.

Yes, looked overall not bad. Again, I wonder if that shortwave just to the west is "kicking" it out east more, and if that's shown up before.

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Wow, looking at the loop of the latest GFS I would say the H5 track is VERY similar to the surprise MECS/HECS in January 2000 that surprised the mets. It's funny because it closed off just a little before the models projected and bit westward and slammed the coast. Wouldn't it be nice for a repeat of that on this one?

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  On 1/23/2011 at 4:17 PM, PhineasC said:

The GFS already lays down 3-5 in the region.

For a line going from Sw to NE cutting through D.C... Unfortunately I would only be getting about 1-2 from this :yikes:. But I'm not going to split hairs on QPF over this run the way the models have been shifting. This is a great run through and through.

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  On 1/23/2011 at 4:17 PM, thesnowsknows said:

Wow, looking at the loop of the latest GFS I would say the H5 track is VERY similar to the surprise MECS/HECS in January 2000 that surprised the mets. It's funny because it closed off just a little before the models projected and bit westward and slammed the coast. Wouldn't it be nice for a repeat of that on this one?

There are plenty of differences though, and the models back then were vastly inferior to what we run now. The one interesting aspect that will be similar is the interaction once the upper energy hits the GoM .... even today's models don't handle this kind of situation that well (people talk about convective feedback...but sometimes organized convection does in fact transfer information upscale....through large scale latent heat release and the generation of diabatic low level potential vorticity).

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