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New England Storm Dicussion - January 11-12


Baroclinic Zone

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  On 1/11/2011 at 3:52 AM, ETauntonMA said:

It's stronger in the upper levles than the 18z run. I don't see why it should be tucked in a bit closer.

Well because heights out ahead were a little flatter. If heights are higher, and you have more of the S-curve look in the height lines, you increase diffluence and hence the low will intensify and move more north. Like I said..I don't know if it's right. Personally, I would say the final solution is west of the gfs, jmho.

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  On 1/11/2011 at 3:55 AM, CoastalWx said:

Well because heights out ahead were a little flatter. If heights are higher, and you have more of the S-curve look in the height lines, you increase diffluence and hence the low will intensify and move more north. Like I said..I don't know if it's right. Personally, I would say the final solution is west of the gfs, jmho.

Ditto. Time for a few hours sleep. Be back at 2am or so to check in on the rest of the 00z suite.

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  On 1/11/2011 at 3:53 AM, H2Otown_WX said:

I guess all we can say for sure is either the NAM or the GFS is going to get b***h slapped.

The RGEM and SREFs don't have as much pcp as the Nam but still considerably more than the GFS and the Euro as well. Everything I am looking at is showing more pcp and further west than the gfs (SREF, NAM, RGEM and even the 12z Euro).

Have to wait for the euro tonight now to comment further but the Gfs looks a bit lonely right now...

Safest forecast is probably somewhere between the two extremes (Nam/GFS)

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  On 1/11/2011 at 3:57 AM, weatherwiz said:

I will certainly take that QPF graphic and run with it

If I end up getting 6'' after all this fanfare, I'll be more than a bit perturbed.

But I digress, because that's not going to happen. Gahbage in, gahbage out. Goodnight all.

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  On 1/11/2011 at 4:01 AM, dendrite said:

Dec 05 did not use the NAM as we know it today. It was just the ETA model with the name "NAM". The NAM switched from ETA to WRF in June 06. So this is not the same NAM that was spitting out model images for Dec 05.

Great point.

Can all you people get off the NOGAPs site please...it won't load...haha

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  On 1/11/2011 at 4:01 AM, dendrite said:

Dec 05 did not use the NAM as we know it today. It was just the ETA model with the name "NAM". The NAM switched from ETA to WRF in June 06. So this is not the same NAM that was spitting out model images for Dec 05.

At least the 21z old school ETA is a good crushing though :lol:.

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  On 1/11/2011 at 3:58 AM, messenger said:

I posted the 2 day verifications of the NAM/GFS this am. NAM was pretty terrible, GFS was about as good as it gets. So was the UK for that matter.

Wish I would have seen that but I didn;t look. Definitely going to take this into consideration when I do a revision tomorrow morning.

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