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February 2013 mid-long range disco thread


Fozz

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Wouldn't pay much attention to what the GFS shows at this juncture. While the Euro was locked onto this historic blizzard, it had a low sliding off the SE coast 3 days before the mighty Nemo struck. Euro may not have what everyone is hoping for either for next week, but good or bad its way more likely to be closer to reality.

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The GFS solution is not that different from what it's had the last 4 runs.  It's not great for us, but it's not that different in the nuts and bolts. 

 

GEFS mean has a very good look at this range. 

 

map prior has the same issues as the op tho.. those 12 hr mean maps are misleading. the accum snow is still north of the area except for nw sections like hgr thru the blue ridge

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meh, I'll bet that Great Lakes low becomes a bigger problem as we near

I can't say enough how much I hate our fooking winters late falls

think it's already part of the problem. it wasn't as strong on prior runs and seemingly doesn't let the vort amplify as well.

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map prior has the same issues as the op tho.. those 12 hr mean maps are misleading. the accum snow is still north of the area except for nw sections like hgr thru the blue ridge

850 0C is along I-95 at 108 on the mean.  The mean can always be biased, and I agree the 12hr maps can be misleading, but I don't think much precip falls prior to 0z on Thursday, so it's probably not much rain if any for DC/Balt and points N and W.   We'll see what the individual members hold.

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850 0C is along I-95 at 108 on the mean.  The mean can always be biased, and I agree the 12hr maps can be misleading, but I don't think much precip falls prior to 0z on Thursday, so it's probably not much rain if any for DC/Balt and points N and W.   We'll see what the individual members hold.

 

dont think 850 is where the snow is ... perhaps falling but the BL looks mild. i have 6 hr and sfc panels.. 32 never gets out of the NW and 850s mainly crash as the precip ends. looks very similar to the op overall.. which isn't horrible but we need to thread the needle.

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I think we'll need something akin to the Jan 2011 storm.. a highly dynamic system with thumping as it passes. Not sure there is that much middle ground for snow.. don't know if this can be a 1-3"er. In DC at least.

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8/12 of the GEFS members develop a respectable low.  At this juncture, I will we take it.  As mentioned above, the mean looks good overall.  We should concentrate on getting the euro on board with a non-suppressed solution before we start nitpicking a 4.5 day event.

Only 1 of the members is suppressed/OTS.  More are somewhat inland rain-to-snow events like the Op than previous editions. 

 

dont think 850 is where the snow is ... perhaps falling but the BL looks mild. i have 6 hr and sfc panels.. 32 never gets out of the NW and 850s mainly crash as the precip ends. looks very similar to the op overall.. which isn't horrible but we need to thread the needle.

Ok...Raleigh's page doesn't have the surface. 

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I think we'll need something akin to the Jan 2011 storm.. a highly dynamic system with thumping as it passes. Not sure there is that much middle ground for snow.. don't know if this can be a 1-3"er.

Yea, some of the early runs had a big ball in tx. The best of the later runs were pretty energetic with the vort too. This thing is gonna be moving across the south pretty quickly. We need it as sharp as it can get. Today has not gone in that direction

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GGEM is suppressed FWIW.  Precip up into central VA, but that's it.  Pretty good vort track, just can't make the turn. 

Not too concerning yet, but we do need another positive push from the Euro. After all were only 4 days out which still gives us some time to work with time as long as the better models don't take a step back going forward.

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