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January Medium/Long Range: A snowy January ahead?


mappy
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7 minutes ago, stormtracker said:

Gonna be just too warm for us verbatim.   At least there's some action going for that time period still.

look upstairs, could be a follow up wave that does it. EPS shows something similar

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47 minutes ago, Kmlwx said:

Legit ice storms are super rare - and even when they happen they are usually in pretty narrow corridors. Paging @Eskimo Joe - because he's a bit of a sick puppy and roots for a once in 500 year ice storm at some point. I mean it would be "cool" to experience - but the destructiveness of ice storms and not having power for weeks doesn't sound appealing. I've got a standby generator but not sure it could go weeks running nonstop....it's just a Generac! 

The county just to the south of mine here in SE Missouri had an Ice Storm Warning with the Sun/Mon event that absolutely verified. Folks still without power today, now getting socked with 6" of snow today.

Would not recommend.

I mean, I would recommend the snow. I wouldn't recommend the whole being without power for a week and snow covering a half inch of ice thing.

 

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I hope. 3 weeks left in the month and yesterday's promising operationals took a night off. I do like a persistent AN precip February forecast from the Cfs for I can't remember how long. Eps weeklies appear to agree with the first half of the month. 

It looks like the 6z euro Ai was a snowstorm for the 20-21st because it shows the S stream lagging behind the N/S and it creates a sort of anafront. 12z GFS is closer to having that happen, still a few steps away, but if the N/S had pushed a little faster ahead it could have been a colder storm


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GGEM has the follow up wave idea give us a little snow. Doesn’t quite get going in time. 
 

It all looks like a wave spacing and strength question. I think we want that northern stream wave to be strong enough and separated enough from the southern stream to drag the boundary through and let the southern wave ride up behind it. 

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55 minutes ago, Kmlwx said:

Legit ice storms are super rare - and even when they happen they are usually in pretty narrow corridors. Paging @Eskimo Joe - because he's a bit of a sick puppy and roots for a once in 500 year ice storm at some point. I mean it would be "cool" to experience - but the destructiveness of ice storms and not having power for weeks doesn't sound appealing. I've got a standby generator but not sure it could go weeks running nonstop....it's just a Generac! 

The Nov 2018 ice storm down here Waynesboro/Staunton/Augusta was extremely damaging... Listening to the booms and cracks and crashes - seeing blue flashes across the sky that night was unforgettable ... No electric for about a week...So much damage was done to trees with limbs sheared off that we didn't have much in the way of power outages for a few years....

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1 minute ago, WxUSAF said:

GGEM has the follow up wave idea give us a little snow. Doesn’t quite get going in time. 
 

It all looks like a wave spacing and strength question. I think we want that northern stream wave to be strong enough and separated enough from the southern stream to drag the boundary through and let the southern wave ride up behind it. 

Good catch. We seem to win the most when the boundary is laid ahead of the southern stream energy, but not so far off that we lack enough lift to maximize the potential.

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4 minutes ago, WxUSAF said:

GGEM has the follow up wave idea give us a little snow. Doesn’t quite get going in time. 
 

It all looks like a wave spacing and strength question. I think we want that northern stream wave to be strong enough and separated enough from the southern stream to drag the boundary through and let the southern wave ride up behind it. 

Exactly... each of these waves in this type of pattern will depend on where the boundary is as they approach and the easiest way to get a win here is to have a NS SW pass by ahead of one of the waves and suppress the thermal boundary to our south as a STJ wave approaches from the southwest.  

But that kind of intricate balancing act is not the type of thing that will be resolved at long leads like in a blocking regime.  None of those storms in 2014 or 2015 were resolved outside 72 hours.  

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4 minutes ago, Benjamn3 said:
2). Clipper system Tuesday brings additional minor snow
accumulations potentially as far east as the Blue Ridge.

From Blacksburg, this is the first I’m seeing or hearing about this. 

You didn't hear about the office meeting at 10 this morning either, did you? :yikes:

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15 minutes ago, WxUSAF said:

And GFS does get us eventually in fantasy range. Busy time coming up I think!

GFS actually shows how that kind of pattern, if it actually ends up close to the current longwave projections, would likely play out.  3 waves, one misses north, one south, and one flush hit.  They aren't all going to take the same exact track and if we get that kind of SW to NE oriented thermal boundary with the cold centered to our NW we are likely to score eventually as those waves keep riding the boundary.  They wont all hit, but they won't likely all miss either.  

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17 minutes ago, psuhoffman said:

The thermal boundary is oriented and located almost exactly where I would want it for this type of pattern to work.  Have to see if that ends up being the reality but I have no issue with the current projections.  

Absolutely love the 8:30-2:30 orientation thru the TN valley. Really broadens the strike zone compared to similar but steeper amplification. Also slows down exits. You can get a pretty fat storm without deep slp. I'm very optimistic 

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