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February 16-17, 2024 | NE / Mid-Atlantic Winter Storm


Penn State

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My own thoughts are the models have been pretty consistent with some wiggles.

Well now that we are on at the 48  hour mark let’s see if this changes like most of the storms this year. 
 

 

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17 minutes ago, Wtkidz said:

My own thoughts are the models have been pretty consistent with some wiggles.

Well now that we are on at the 48  hour mark let’s see if this changes like most of the storms this year. 
 

 

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Not sure we'll see much in the way of changes. This is a Clipper and we've not really seen a wintery clipper for some time. 

These, with their fewer moving parts - have fewer things to make for jumpy models. 

Seems like a straightforward "Mason Dixon Special" - as the wintery side axis lies roughly along that line. 

NADS of 2+" - centered on M/D Line - totals dwindling after ~60mi each side of that line. 

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11 minutes ago, Undertakerson2.0 said:

Not sure we'll see much in the way of changes. This is a Clipper and we've not really seen a wintery clipper for some time. 

These, with their fewer moving parts - have fewer things to make for jumpy models. 

Seems like a straightforward "Mason Dixon Special" - as the wintery side axis lies roughly along that line. 

NADS of 2+" - centered on M/D Line - totals dwindling after ~60mi each side of that line. 

Icon and Euro  does agree with you thoughts, but Nam and Gfs are def more south. 
 

Sorry meant to show the Euro earlier.  
 

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20 minutes ago, Anthonyweather said:

6z euro is rather juicy 

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Holy BLEEEEEP

Nooooooooooooooo. I just got power back on last night from 8:30 Tues a.m. 

I imagine this will be a LAFS (light and fluffy snow) event though, compared to the sakrete stuff that fell last storm. 

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2 minutes ago, Undertakerson2.0 said:

Holy BLEEEEEP

Nooooooooooooooo. I just got power back on last night from 8:30 Tues a.m. 

I imagine this will be a LAFS (light and fluffy snow) event though, compared to the sakrete stuff that fell last storm. 

Yes higher ratio fluff 

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SREF trends do indicate increased moisture making it through the Clipper route. These Southern Clippers have a way of somehow avoiding the dreaded downsloping/dryness we see when their path is more along the PA/NY border (as opposed to the PA/WV-MD-De path. 

trend-srefens-2024021415-f075.sn10_acc-mean-imp.us_ma.gif

 

 

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Edited by Undertakerson2.0
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Also one of those times where you can look upstream to see what locations that are roughly on your same latitude over that way are getting. 

I shall simply wait until @RobBreports and then I'll know what I need to deal with (to me, he is  rough estimate lat as I, often times in bowling balls and clipper events, we end up quite the same amounts) 

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22 minutes ago, Undertakerson2.0 said:

Also one of those times where you can look upstream to see what locations that are roughly on your same latitude over that way are getting. 

I shall simply wait until @RobBreports and then I'll know what I need to deal with (to me, he is  rough estimate lat as I, often times in bowling balls and clipper events, we end up quite the same amounts) 

Will do!  How I long for a good bowling ball system and a solid over performing clipper system 🙂

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12K NAM not particularly different than previously. A touch south of 6z and 00z I suppose one could say. 

3K OTOH spreads much more love N of Mason Dixon and seems quite a bit more "wet". 

Edited by Undertakerson2.0
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NAM 3k continues to trend a tad more juicy (last 3 runs below). Long range HRRR yields similar values. For this scale of storm, 12k NAM seems too low res (as weird as that is to say) to accurately portray the QPF

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LWX in their updated morning AFD disagrees (10am update)

SHORT TERM /6 AM FRIDAY MORNING THROUGH SATURDAY NIGHT/...
Brief high pressure builds in early Friday behind the exiting
clipper before a second clipper system approaches and passes to
the south and brings snow to the region.

Most of the guidance has the surface low tracking near the I-64
corridor toward the lower Chesapeake Bay, though there is still
some ensemble members that take a more northern track. The
latest 06Z guidance, and the early 12Z guidance is indicating an
uptick of QPF, particularly from Pendleton/Highland east toward
the Blue Ridge. Even though surface temps will be marginal,
around 29F-32F during the peak of the event, snow rates will be
high and there is a good signal for banding somewhere in the
area. As a result, have increased snow totals this morning to
4-6" in the Alleghenies, 3-5" in the Shenandoah Valley from
Rockingham County northward, 2-4" north of I-66 and east of
Blue Ridge, and 1-2"south of I-66 and east of Blue Ridge.
Winter Storm Watches have been issued for the Alleghenies and
portions of the Potomac Highlands. Additional Watches, Warnings,
and Advisories are likely to be issued later this afternoon.
Stay tuned for additional updates on snow totals as the latest
guidance comes in.

 

 

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