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Central PA and the fringes - Feb. 2014 Part IV


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This is annoying. Hearing mid levels are west on NAM and looking at low placement and surface map I'd say GAME ON. We're going to have to wait until the dang thing starts I guess.

 

NAM has 3 lows at hr18. Two lows at 27. :facepalm:

Text...

 

UNV

 

WED 7P 12-FEB -8.4 -7.2 1027 89 7 0.00 550 529

THU 1A 13-FEB -7.8 -8.3 1024 91 58 0.01 550 532

THU 7A 13-FEB -6.6 -6.6 1017 93 69 0.09 547 534

THU 1P 13-FEB -0.6 -4.3 1009 89 90 0.11 544 536

THU 7P 13-FEB -1.0 -4.4 1004 94 89 0.10 538 535

FRI 1A 14-FEB -4.6 -4.9 1002 91 41 0.01 534 532

 

IPT

 

THU 1A 13-FEB -8.3 -9.1 1025 91 52 0.00 550 531

THU 7A 13-FEB -6.5 -7.1 1018 94 68 0.06 548 534

THU 1P 13-FEB -0.9 -4.1 1009 91 93 0.10 544 537

THU 7P 13-FEB -1.4 -4.0 1003 93 96 0.09 539 536

FRI 1A 14-FEB -4.1 -4.8 1000 91 62 0.01 533 532

 

Seems to be better. Not sure tho.  

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MDT

 

THU 1A 13-FEB -6.1 -7.9 1023 94 93 0.07 552 534
THU 7A 13-FEB -4.1 -3.7 1014 95 95 0.38 550 538
THU 1P 13-FEB -0.6 -1.1 1006 94 98 0.24 545 540
THU 7P 13-FEB -0.1 -1.8 1000 96 99 0.18 538 538
FRI 1A 14-FEB -1.7 -3.4 999 89 69 0.03 533 534

 

LNS

 

THU 1A 13-FEB -5.4 -7.7 1023 95 96 0.06 553 535
THU 7A 13-FEB -3.2 -3.0 1014 96 98 0.45 550 539
THU 1P 13-FEB -0.4 0.1 1005 94 96 0.29 546 542
THU 7P 13-FEB -0.1 -0.6 999 95 99 0.15 539 540

FRI 1A 14-FEB -1.2 -3.0 997 90 80 0.04 533 535

 

FIG

 

HU 1A 13-FEB -8.0 -7.8 1024 90 42 0.01 550 531
THU 7A 13-FEB -7.1 -7.1 1018 92 55 0.03 547 533
THU 1P 13-FEB -0.5 -4.9 1010 86 78 0.05 543 535
THU 7P 13-FEB -1.5 -4.9 1006 94 78 0.06 538 534

FRI 1A 14-FEB -5.7 -5.3 1004 94 33 0.01 534 531 

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The models are just lol. NAM back east a bit. Still the low is no where near euro. Looks like the fight will continue into tonight.

Doesn't look that far east to me, looks pretty similar. In fact, 500 mb heights are more backed this run. Quite frankly I was surprised the surface reflection wasn't further west than 6z given that. The orientation of the vorticity rounding the base of the trough was different, however, so I guess the best PVA was oriented more north than NW which would lead to the best UVV and pressure falls more northward than northwestward towards the coast.. That's the only reason I can see it wasn't right along the shoreline

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I might be remembering incorrectly, but isn't it well known that back-end precip is not very reliable?

That is usually the case especially as you get further to the coast. Storms have been made or broken in my home county of Monmouth nj which has jackpotted recently year after year.

Check out the sim radar as we get the heavy front end slug and then the ccb hangs out for another 12 hours over central pa. I would be rooting against the nam right now if I lived in the big cities east of here.

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MDT

 

THU 1A 13-FEB -6.1 -7.9 1023 94 93 0.07 552 534

THU 7A 13-FEB -4.1 -3.7 1014 95 95 0.38 550 538

THU 1P 13-FEB -0.6 -1.1 1006 94 98 0.24 545 540

THU 7P 13-FEB -0.1 -1.8 1000 96 99 0.18 538 538

FRI 1A 14-FEB -1.7 -3.4 999 89 69 0.03 533 534

 

LNS

 

THU 1A 13-FEB -5.4 -7.7 1023 95 96 0.06 553 535

THU 7A 13-FEB -3.2 -3.0 1014 96 98 0.45 550 539

THU 1P 13-FEB -0.4 0.1 1005 94 96 0.29 546 542

THU 7P 13-FEB -0.1 -0.6 999 95 99 0.15 539 540

FRI 1A 14-FEB -1.2 -3.0 997 90 80 0.04 533 535

 

FIG

 

HU 1A 13-FEB -8.0 -7.8 1024 90 42 0.01 550 531

THU 7A 13-FEB -7.1 -7.1 1018 92 55 0.03 547 533

THU 1P 13-FEB -0.5 -4.9 1010 86 78 0.05 543 535

THU 7P 13-FEB -1.5 -4.9 1006 94 78 0.06 538 534

FRI 1A 14-FEB -5.7 -5.3 1004 94 33 0.01 534 531 

i think the numbers are consistent from yesterday right? MDT was 1.0 qbf, this is .90 today.

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I might be remembering incorrectly, but isn't it well known that back-end precip is not very reliable?

 

This seems pretty good for us from a synoptic standpoint. Parts of central PA will likely be northwest of the 700 mb closed low which should provide favorable frontogenesis, along with a steady fetch of Atlantic moisture. The GFS is insistent that there will be slightly weaker dynamics in play, however the banding due to this feature is still nearly absent over central PA.

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I would think we are getting in range for the northwest qpf to expand slightly...despite the kicker in the lakes.  I does seem that there will be a tight gradient from cent. pa northeast towards Bradford county and hopefully the north central mountains can pull a few .10's out of it.  That kicker really is messing up what could have been real nice event for much of PA.

 

Guess we'll find out soon enough.

 

Nut

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Our baby's being born. Speaking of, Neff, any news?!

 

We went in to the maternity hospital yesterday morning because she had been contracting every 10 mins for the previous day but they said that her lady parts hadn't made any progress and sent us home. She didn't have any contractions last night. I'm fully expecting activity to increase around 9 am tomorrow morning warranting another trip in, but for now, all's quiet on the cervical front.

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