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February Pattern and Storm Discussion


POWERSTROKE

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12zeuro850mbTSLPUS144.gif

 

Euro was closer this run for mid next week, but ended up with a late developing coastal with snow breaking out in E VA on Thurs.  There were a few 12z GFS Ens members with a SE storm

 Yep and If Im a betting man my money over the next 2 weeks is on eastern NC as prime spot # 1 outside the NWSF events to score a big one. Heres the Thurs event next few days show potential for the coastal areas as well. Close but no cigar deals, but ENC looks most favorable at the moment.

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Euro close in the D6-D10 range of a big storm for early March.  Just need the s/w over the SW diving south at 144 to trend stronger to allow greater separation between the storm over the east.

 

qWdeUFN.gif

 

Keep an eye on the noisy STJ for embedded disturbances riding ENE from the EPAC.

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Keep an eye on the noisy STJ for embedded disturbances riding ENE from the EPAC.

 

Looks like there is actually a LOT of "noise" in the northern branch to go along with that fairly healthy wave in the southwest at 144.  It wouldn't take a lot of tweaking to generate a storm of the wintry variety.  I could see something phasing if the vortex around the great lakes was in a different spot and there is a second, more consolidated wave diving in as the impulse in the southwest comes east

 

Anyone with Euro ensemble access care to give us a run down here in a few when they see them would be much appreciated.  I have to get on the road. TIA

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I would say I smell a bust coming on, for both of your last two posts.  I can't imagine a period THAT dry for 2 weeks in March, and all signs point to below normal temps for much of the first two weeks of March.  Even with a dramatic turnaround that temp forecast would be in trouble from the get go.

New map made yesterday for March outlook. 

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I would say I smell a bust coming on, for both of your last two posts.  I can't imagine a period THAT dry for 2 weeks in March, and all signs point to below normal temps for much of the first two weeks of March.  Even with a dramatic turnaround that temp forecast would be in trouble from the get go.

 

I can see the bust potential too but I can also see it verifying. 50/50...CFSV2 has been out to lunch this winter so not sure what to believe.

 

It has been super wet that even the hard struck drought areas are seeing major improvement. I can see it being dry for 2 weeks in March for some here.

 

602164_413784612047872_1735097317_n.jpg

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But the CFSv2 also shows below normal precip too. I'd would think that's based on the cold air that will be in place. But remember, it doesn't take a lot of precip when it's cold enough. Plus, with the cold air in place, it forces storms to take a more favorable track for SE snows. 

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I can see the bust potential too but I can also see it verifying. 50/50...CFSV2 has been out to lunch this winter so not sure what to believe.

 

It has been super wet that even the hard struck drought areas are seeing major improvement. I can see it being dry for 2 weeks in March for some here.

I agree about the CFS being out to lunch. But this time the models and teleconnections are also agreeing, which they didn't do before. I don't think any of the models could get a handle on the overpowering Pacific this year.

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WxSouth saying this is how you want to see the GFS at that time, though.

 

 

http://www.facebook.com/#!/WxSouth

 

What's a retrograding flow?  Dumb question probably, but I just don't know.  Trough goes east to west?  It sounds like Robert likes the GFS look better than the EURO.  I thought we wanted the other way around.  I'm getting lost in a whirlwind of meteorological ambiguity.  :twister:

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Not biting on any type of winter weather pattern for March.

 

The average last freeze date for Wilkes is near April 21st so we should always see some cold relatively speaking. I think we can see up to the first week of March colder than normal...from some of the data you guys are showing...but still end up above normal for the month like the CPC is showing too.

 

I don't consider (1) March snowstorm a developing winter weather pattern so will leave that there as a possibility...seeing how recent winters have produced something in March!

 

We have more rain this weekend...and early next week. That will send the totals in the 8-16 inch range for the month for some places to our south. I do buy much below normal precip in the 7-14+ day range...which could consequently be cooler than normal.

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Anyone with Euro ensemble access care to give us a run down here in a few when they see them would be much appreciated.  I have to get on the road. TIA

 

Nothing of note really with the Euro Ensemble...pretty well matches the op run with the longwave pattern.  Strong -NAO blocking with deep cold trough developing in the east.  Western ridge looks similar.  The ensemble mean was noticeably less amped with the wave through the southern plains mid next week, but probably to be expected with a mean.

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I can see the bust potential too but I can also see it verifying. 50/50...CFSV2 has been out to lunch this winter so not sure what to believe.

 

It has been super wet that even the hard struck drought areas are seeing major improvement. I can see it being dry for 2 weeks in March for some here.

 

Didn't you say a few weeks ago how the skies needed to heal and how it would dry out? How did that work for you?

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What's a retrograding flow?  Dumb question probably, but I just don't know.  Trough goes east to west?  It sounds like Robert likes the GFS look better than the EURO.  I thought we wanted the other way around.  I'm getting lost in a whirlwind of meteorological ambiguity.  :twister:

 

When you have strong high latitude ridging, the ridging has a tendency to retrograde a bit to the west which tends to block up the flow even further, forcing deep troughs and ridges upstream.

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Not biting on any type of winter weather pattern for March.

The average last freeze date for Wilkes is near April 21st so we should always see some cold relatively speaking. I think we can see up to the first week of March colder than normal...from some of the data you guys are showing...but still end up above normal for the month like the CPC is .

You do understand what it would take to reverse a week plus of -15 daily departures, right?

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Nothing of note really with the Euro Ensemble...pretty well matches the op run with the longwave pattern.  Strong -NAO blocking with deep cold trough developing in the east.  Western ridge looks similar.  The ensemble mean was noticeably less amped with the wave through the southern plains mid next week, but probably to be expected with a mean.

 

 

Nothing of note really with the Euro Ensemble...pretty well matches the op run with the longwave pattern.  Strong -NAO blocking with deep cold trough developing in the east.  Western ridge looks similar.  The ensemble mean was noticeably less amped with the wave through the southern plains mid next week, but probably to be expected with a mean.

If somehow that piece in the GOM could become less surpressed  around D9 that would be a big storm for you guys possibly,something to keep an eye on

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You do understand what it would take to reverse a week plus of -15 daily departures, right?

 

Yes..for the negative departures to trend slightly warmer leading up to it and then for a strong March sun to give us +15 departures beyond the first week of March. It may not be a hot March but I don't see how we can rule out the possibility of it being above normal either. 

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12z EURO still showing something frozen on the WunderMaps for several frames.

 

hour 90   2-3 south-west of Asheville

hour 93   3-4 just east of Asheville...2-3 for Boone and Asheville....1-2 North Wilkesboro

hour 96   2-3 North Wilkesboro...Mount Airy...

 

And lighter returns through 102.

 

 

Probably a cold rain here and high elevation snow/mix the more likely outcome...

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Yes..for the negative departures to trend slightly warmer leading up to it and then for a strong March sun to give us +15 departures beyond the first week of March. It may not be a hot March but I don't see how we can rule out the possibility of it being above normal either.

You better hope your trend starts soon ........bc if anything it's going away from your thoughts and looks to be digging a big hole for you to get out of. Maybe cpc has a job opening for you. haha

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