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NYC CWA January 26-27 OBS and Discussion Thread


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seriously, are you trolling? 00z nam looks nothing like the ukmet. Ukmet had a consolidated low tucked into chesapeake with closed h5 and expansive qpf you would expect from gulf moisture rich system. here is ukmet on ewall.

UKMET is not consolidated. Don't just look at the big red L on ewall. Look at the orientation of coutours.

And in terms of 500mb. If the NAM were 1 or 2 dm deeper, it would be "closed off." The difference in strength and position is minimal.

The evolution is pretty similar. And it is even more apparent in earlier frames. Regardless, I wasn't arguing that they were identical, just responding to the idea that a low center elongating toward an area of "convection" is a disqualifying error.

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The UKMET doesn't have a spurious convective blob develop and truck NE, bringing the low with it. The NAM for whatever reason does, and it's a common error for this model. Could it be right? Sure, but probably 90% chance it isn't.

RGEM is superior meso model, and it just nailed the nyc metro area. Game on.

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a fair analysis of the RGEM would be roughly 8mm for the first frame and 20mm for the second. So ya probably between 25 and 30mm

28 millimeters = 1.1023622047 inches

Lol! Good sign on the RGEM. Beautiful system to see develop on those maps. Hopefully IT will lead the way for the rest of the suite and not the NAM.

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The UKMET doesn't have a spurious convective blob develop and truck NE, bringing the low with it. The NAM for whatever reason does, and it's a common error for this model. Could it be right? Sure, but probably 90% chance it isn't.

Well it's true that it is more extreme in this regard than other models starting at 24hr in particular. I hope this is responsible for diminishing the intensity of the deform band as it swings through, ultimately erroneously. But every other model slides the SLP ENE at this point and a few elongate in a similar manner.

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