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Central PA Winter 2022/2023


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13 minutes ago, Mount Joy Snowman said:

Yeah I'm with ya.  However, the tail ends of both the FV3 and the 3k NAM also show that overrunning breaking out a bit too far to our north for my liking.  Something to keep an eye on.  As of now I'm putting the over/under at an inch for my neck of the woods.

I think your expectation is reasonable, and hopefully one that we can overachieve with.  IF this new look is legit, we should see these looks hold, or get a tad better as we approach go time.  

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25 minutes ago, GrandmasterB said:

Globals are going to under estimate the CAD. That’s not a weenie line, but legit when we should actually use the NAM.
I would toss the CMC thermals for the thump. For example, the 12ZCMC actually has the 2” further south and East then its 0Z run but the 6 hour panels looked terrible.

Yeah, thats a great reminder for folks to remember.  This SHOULD be one of those situ's.  Guessing that's what CTP is thinking as well.  

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 Most of the coating of snow I had this morning has melted here. Really elevational snowfall… it goes from little to none on the main part of PSU Altoona’s campus to 1”+ barely a mile up the road and 3”+ at the top of the mountain. Just a couple degrees of temp and a couple hundred feet of elevation made a big difference.. 

If it works, here’s a time lapse video from Penn State Altoona to the top of Wopsy Mountain (about 4-5 miles) 

 

 

 

 

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2 minutes ago, pasnownut said:

Oof.  Add the Euro to the jog north with thermals camp.

Did NOT expect that......but the term atmospheric memory comes to mind right now.

I may need to go get a jockstrap and cup....this may hurt a little.

 

It’s been the trend for ~4 years, nothing to stop it again. 

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Great update!

.LONG TERM /TUESDAY NIGHT THROUGH MONDAY/...
Noon Monday Update...

Just some minor adjustments will be made to timing and
QPF/Snowfall amounts at this point for late Tuesday night/Wed in
order to preserve consistent messaging next Winter Storm that
will soon be taking the NE turn toward us from the Llano
Estacado and Permian Basin of West Texas.

It looks like the period of snowfall from this upcoming storm
will be associated primarily with the period of moderate to
strong UVVEL from a potent, southerly low to mid-level jet and
its WAA.

The track of the primary low is seen by the majority of model
Guidance heading into the Ohio Valley with the nose of a strong,
60KT south- southwesterly LLJ creating an approx 6 hour period
of strong isent lift and a cross-hair pattern on regional
timesections between 12-18Z Wed, where the max UVVEL and DGZ
zone intersects. This should bring widespread MDT to HVY
snowfall rates of 1-1.5 inches per hour for much of the mid to
late morning hours Wed, and into the mid-late afternoon hours
across the NE part of our CWA.

Afterward, a transition to sleet/freezing rain and gradual
decrease in intensity will occur as first a deepening layer of
above freezing Tw air aloft races north over us, followed by the
deeper, seer-feeder cloud layer into the DGZ peeling away to the
NE leaving warmer clouds confined to the layer up through about
8-10 kft AGL.

Temps Wed afternoon and evening will only inch up to the 30-33F
range across much of the Central and Nrn Mtns, but should climb
just above freezing across the region near and to the SE of
interstate 81, changing the snow/mix to plain light rain or
drizzle Wed evening.
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13 minutes ago, paweather said:

Great update!

.LONG TERM /TUESDAY NIGHT THROUGH MONDAY/...
Noon Monday Update...

Just some minor adjustments will be made to timing and
QPF/Snowfall amounts at this point for late Tuesday night/Wed in
order to preserve consistent messaging next Winter Storm that
will soon be taking the NE turn toward us from the Llano
Estacado and Permian Basin of West Texas.

It looks like the period of snowfall from this upcoming storm
will be associated primarily with the period of moderate to
strong UVVEL from a potent, southerly low to mid-level jet and
its WAA.

The track of the primary low is seen by the majority of model
Guidance heading into the Ohio Valley with the nose of a strong,
60KT south- southwesterly LLJ creating an approx 6 hour period
of strong isent lift and a cross-hair pattern on regional
timesections between 12-18Z Wed, where the max UVVEL and DGZ
zone intersects. This should bring widespread MDT to HVY
snowfall rates of 1-1.5 inches per hour for much of the mid to
late morning hours Wed, and into the mid-late afternoon hours
across the NE part of our CWA.

Afterward, a transition to sleet/freezing rain and gradual
decrease in intensity will occur as first a deepening layer of
above freezing Tw air aloft races north over us, followed by the
deeper, seer-feeder cloud layer into the DGZ peeling away to the
NE leaving warmer clouds confined to the layer up through about
8-10 kft AGL.

Temps Wed afternoon and evening will only inch up to the 30-33F
range across much of the Central and Nrn Mtns, but should climb
just above freezing across the region near and to the SE of
interstate 81, changing the snow/mix to plain light rain or
drizzle Wed evening.

Thats about as good as we can get w/ this setup.  Nice to hear they are "on board" with us weenies....;)

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5 hours ago, Itstrainingtime said:

This is not going to be the vibe of a typical post of mine.

This winter is wearing on me. We had one snow at home (about 1") which I missed entirely while I was at work. It snowed a second time (about .25") while I slept and missed again. (though I did see some remnants in the morning. 

Today I started my day at home as I got home very late last night and had early meetings this morning, which I took from home. I was up at 5:30 and saw rain. It rained up until the time I left. Between 7 and 8 there was a mix, but it never flipped to snow (I clearly was lacking rates at this point) and it was never even close to moderate. On my way to work I did see the hills south of Wrightsville were VERY white...clearly more than a coating. The only other evidence of snow I saw was a little bit on Chickies between the trail parking lot and the day care center on the south side. Nothing at all anywhere else, and nothing at home other than some mixed flakes with the rain.

Happy that you got to see some nice snow falling. :) But this winter just flat out sucks. And there's nothing anyone can say at this point to convince me otherwise. I feel for those down here in the southern part of Lanco who are STILL shutout on the season. 

On to Wednesday...

Great melt this morning! (Which I respect) I promise to better it if I don’t see at least 2” Wednesday.

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