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February 15-MOrch possible wintry threats


tombo82685

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Snow band travels from Western Kentucky University southeast to Atlanta and Augusta, GA on the GFS :whistle:  :wacko: . Think of all the spring brakers in Myrtle Beach as well. :ee: .  Still a few more days of nonsense to go through before the GFS likely shows a UKMET/EC solution that is further north.

Same goes for the CMC across the upper midwest. :whistle:

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Next week is one of those situations where zoomed out, it looks great. But when you zoom into the details of the large-scale flow, you feel a bit sick. So we, essentially, have to rely on near perfect phasing to get a snowstorm; otherwise, this thing is for the fishies. I hate these situations because partial phasing is pretty difficult and near-perfect phasing is just lol...

Then again, we've had Sandy and 2/8-9 which are about as good as it gets around here in terms of phasing. So it's not impossible of course. The obvious concerns with something like the op euro would be widespread power outages / damage from wet snow. It doesn't look as bad as 1958 or anything but those problems would materialize with those accumulations.

The good news is that the northern stream is littered with waves, decreasing the probability that the block will absorb into the flow like 2/22. The bad news is that the northern stream is littered with waves, haha. A key component to something like the euro is the northern stream digging south, capturing the low and becoming one large nor'easter.

Finally, the 50-50 low may not be the coldest by any means but it is damn near stationary from this weekend up through the storm date. The momentum of the increasing northern jet / Pacific Low could push this feature out quicker in upcoming model runs but that same logic could do that to our northern stream waves. This would force a "miss" in terms of phasing.

Fantastic,very detailed post.  This will keep the weenie in me in check, great read HM.

 

VWF

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How can the media jump off the deep end like this? The morning calls headline in today's paper "Major blizzard possible next week"

http://www.mcall.com/news/breaking/mc-allentown-lehigh-valley-major-blizzard-next-wee-20130228,0,5578245.story

Everyone got excited by that one run of the EC... forgetting that it was the EC's CONSISTENCY which heralded Sandy's forecast success back in October, a consistency which is lacking with this one.

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EC is not much different from the GEM.  Big coastal bomb.

 

However, verbatim its pretty warm.  0C 850 line right over TTN during the best precip with surface temps around 37F.  Rain/snow mess I-95 S&E.  Further inland does better because its colder.

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Hey Ray. Thanks for posting. Tried to get info in the NY thread and they just busted on me. How does it look back in West Chester, 25 -30 miles west of Philly.

Better.  850's -1 to -2 and surface temps 34-35.  Probably a lot of heavy wet snow, though a sneaky warm layer could ruin it.  But of course, the details will change a dozen times between then and now, and just like it did tonight, the whole storm track could end up shifting again.  What tonight's EC did was simply say "big storm still on the table".

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Better.  850's -1 to -2 and surface temps 34-35.  Probably a lot of heavy wet snow, though a sneaky warm layer could ruin it.  But of course, the details will change a dozen times between then and now, and just like it did tonight, the whole storm track could end up shifting again.  What tonight's EC did was simply say "big storm still on the table".

 

 

Well at least we got a shot and something to track.

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EC is not much different from the GEM. Big coastal bomb.

However, verbatim its pretty warm. 0C 850 line right over TTN during the best precip with surface temps around 37F. Rain/snow mess I-95 S&E. Further inland does better because its colder.

ENS look beautiful

post-810-136213701796.jpg

post-810-136213702602.jpg

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