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Central Pennsylvania Late Summer-Fall 2013


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Winter is coming in yo. Sunday might not break 30 lol.

NWS had us at 28 for the high Sunday...should mark our first sub-freezing high of the season. Another cold night in store tonight, already down to 23, low was 18 this morning.

I'm hoping we can at least see some light LES stuff from the upcoming cold shots.

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NWS had us at 28 for the high Sunday...should mark our first sub-freezing high of the season. Another cold night in store tonight, already down to 23, low was 18 this morning.

I'm hoping we can at least see some light LES stuff from the upcoming cold shots.

 

Supposed to be only 28 here tonight, already down to 26. 

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Euro looks decent for next week's system, a 1-3 event here and IPT. MDT actually gets .93 but VERY touch and go on temps. 

 

Here's the rundown:
 

MDT
 

TUE 12Z 26-NOV 0.4 -1.7 1020 51 98 0.00 560 544
TUE 18Z 26-NOV 1.2 0.8 1016 94 95 0.10 559 546
WED 00Z 27-NOV 1.1 3.1 1012 99 99 0.42 559 550
WED 06Z 27-NOV 1.1 1.6 1008 96 91 0.20 556 550
WED 12Z 27-NOV 0.4 -2.4 1009 88 53 0.21 552 545
WED 18Z 27-NOV 3.1 -4.4 1010 60 2 0.00 549 541 

 

IPT

 

TUE 18Z 26-NOV 0.4 -2.2 1015 68 96 0.01 555 543
WED 00Z 27-NOV -0.9 -0.9 1013 97 97 0.18 555 545
WED 06Z 27-NOV -0.4 -3.1 1010 89 93 0.07 553 545
WED 12Z 27-NOV -1.6 -5.3 1010 85 2 0.01 549 541

 

UNV

 

TUE 18Z 26-NOV 0.5 -1.4 1015 79 99 0.02 556 544
WED 00Z 27-NOV -0.5 -1.0 1013 98 98 0.16 555 545
WED 06Z 27-NOV -0.6 -4.3 1011 90 89 0.04 553 544
WED 12Z 27-NOV -1.9 -5.6 1011 80 2 0.01 549 540
WED 18Z 27-NOV 0.3 -9.6 1013 56 4 0.00 547 537

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Euro looks decent for next week's system, a 1-3 event here and IPT. MDT actually gets .93 but VERY touch and go on temps. 

 

Here's the rundown:

 

MDT

 

TUE 12Z 26-NOV 0.4 -1.7 1020 51 98 0.00 560 544

TUE 18Z 26-NOV 1.2 0.8 1016 94 95 0.10 559 546

WED 00Z 27-NOV 1.1 3.1 1012 99 99 0.42 559 550

WED 06Z 27-NOV 1.1 1.6 1008 96 91 0.20 556 550

WED 12Z 27-NOV 0.4 -2.4 1009 88 53 0.21 552 545

WED 18Z 27-NOV 3.1 -4.4 1010 60 2 0.00 549 541 

 

IPT

 

TUE 18Z 26-NOV 0.4 -2.2 1015 68 96 0.01 555 543

WED 00Z 27-NOV -0.9 -0.9 1013 97 97 0.18 555 545

WED 06Z 27-NOV -0.4 -3.1 1010 89 93 0.07 553 545

WED 12Z 27-NOV -1.6 -5.3 1010 85 2 0.01 549 541

 

UNV

 

TUE 18Z 26-NOV 0.5 -1.4 1015 79 99 0.02 556 544

WED 00Z 27-NOV -0.5 -1.0 1013 98 98 0.16 555 545

WED 06Z 27-NOV -0.6 -4.3 1011 90 89 0.04 553 544

WED 12Z 27-NOV -1.9 -5.6 1011 80 2 0.01 549 540

WED 18Z 27-NOV 0.3 -9.6 1013 56 4 0.00 547 537

You don't happen to have the rundown for AVP by chance?

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TUE 18Z 26-NOV 0.4 -1.2 1016 77 97 0.03 556 543

WED 00Z 27-NOV -0.3 0.6 1012 98 99 0.20 556 546

WED 06Z 27-NOV -0.4 -0.8 1009 95 93 0.23 554 547

WED 12Z 27-NOV -1.4 -3.8 1009 91 33 0.08 550 543

WED 18Z 27-NOV 0.4 -5.6 1009 71 2 0.00 547 539

Thank you, should be an interesting trip from Virginia to Pennsylvania on Tuesday night......I 81 will be a fun time I'm sure.

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Fake snow FTW?

Eh...snow is snow. I'm much more skeptical of warmth at this point, the way things have been going the last month or so. There's been a fair amount of warm forecasts busting (such as the warm Nov back in Oct, and warm second have of Nov back in early Nov that I've seen). We'll see what that means going forward. The CFS was very warm for week 4 but we've been there before with that thing. 

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It's funny that people are expecting snow next week.

 

 

Euro looks decent for next week's system, a 1-3 event here and IPT. MDT actually gets .93 but VERY touch and go on temps. 

 

Here's the rundown:

 

MDT

 

TUE 12Z 26-NOV 0.4 -1.7 1020 51 98 0.00 560 544

TUE 18Z 26-NOV 1.2 0.8 1016 94 95 0.10 559 546

WED 00Z 27-NOV 1.1 3.1 1012 99 99 0.42 559 550

WED 06Z 27-NOV 1.1 1.6 1008 96 91 0.20 556 550

WED 12Z 27-NOV 0.4 -2.4 1009 88 53 0.21 552 545

WED 18Z 27-NOV 3.1 -4.4 1010 60 2 0.00 549 541 

 

IPT

 

TUE 18Z 26-NOV 0.4 -2.2 1015 68 96 0.01 555 543

WED 00Z 27-NOV -0.9 -0.9 1013 97 97 0.18 555 545

WED 06Z 27-NOV -0.4 -3.1 1010 89 93 0.07 553 545

WED 12Z 27-NOV -1.6 -5.3 1010 85 2 0.01 549 541

 

UNV

 

TUE 18Z 26-NOV 0.5 -1.4 1015 79 99 0.02 556 544

WED 00Z 27-NOV -0.5 -1.0 1013 98 98 0.16 555 545

WED 06Z 27-NOV -0.6 -4.3 1011 90 89 0.04 553 544

WED 12Z 27-NOV -1.9 -5.6 1011 80 2 0.01 549 540

WED 18Z 27-NOV 0.3 -9.6 1013 56 4 0.00 547 537

to me the 0z Euro looks like a typical ice storm for part of Susq Valley region... warmer aloft but near freezing at surface

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I'm definitely liking where the models are at this stage. Euro is not QUITE phased enough, GFS ensembles have a good chunk showing lots of snow and a couple members even still too far west, but more to the southeast. Hard to tell for sure, but the 00z UKMET looks like it's going to pull a 00z EURO. And again, most importantly, the DGEX is a miss. :P

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12z GFS ensemble breakdown for State College...

 

WEST CAMP:

10/20 ensembles (50%) have ~1" or more of liquid equivalent precip.

8 of those (40%) have ~0.4"+ of it being frozen (with 3 of them (15%) being all frozen).

2 of those (10%) are mostly rain, so too far west.

 

EURO CAMP:

5/20 ensembles (25%) have light to moderate snow.

2 of those (10%) have ~0.4"-0.6".

3 (15%) have around 0.1"-0.2"

 

OPERATIONAL GFS CAMP:

5/20 ensembles (25%) give us no precip with the storm.

 

Again, I like where things stand as of now.

 

post-300-0-73730800-1385058242_thumb.png

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TWC just showed the "precip" map for Wednesday and had a huge blue section for snow with a niiiiiiiiice white slot, denoting dry right over Williamsport.

 

Man TWC is in on the joke...

 

 

They know it dude, it's legendary now lol!

 

They just look at IPT averages and say "how the **** can a town in the PA mountains average under 40" a year" and just go with it. 

 

I-81 from Carlisle to Front Royal sucks ass on the sunniest of days. I cannot imagine how bad it would be during a snow event...

 

Really, the entire Harrisburg area seems to be a magnet for awful driving. I used to hear my dad talk about it when I was a kid in the 70s. 

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It's great for State College. However, I am worried the trend north/west will continue.

there has been a common theme over the past several runs of the Euro/GFS etc where the stronger the low the more it hugs the coastline and the slower the high over the upper midwest tracks east... Euro has also had high over the Atlantic much stronger than the GFS has been... GFS also continues to have very little interest in the southern energy interacting with the northern stream - hence continuing to stay south and east and out to sea...

 

I am also interested in seeing how Lake Effect Snow bands set up both this weekend and after this system moves out midweek... Lake Erie surface temperatures are in upper 40s to about 50F with 850 temps moving in roughly between -12 and -16C (~3 - 10F)... as long as winds are not too strong across the lake and end up an appropriate direction... someone is going to see +TSSN with temp differences like that

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