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FAILDC#


Ji

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surface temps on GFS don't look great at all looking at the ncep maps.....when you can get them to load that is

im kinda underwhelmed.. it looks ok. matt's being a weenie for this storm. :P

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It depends how much Qpf we waste between 48 and 51....still looking at a 1-3" event based on this run..were you hoping for a 6" event?

6-12".. i think we've got just enough elevation.

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Well, the GFS had it first, so you have to give it some input. But yeah, the Euro run will either up or drop the confidence level.

I wonder if it still manages to come more north and west over the next couple of days.

if the Euro gets stronger like all the models seem to want to do (though I haven;t seen the rgem, ggem or ukie and am waiting for Ian to post some links) we may do much better than we're thinking now....or worse

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if the Euro gets stronger like all the models seem to want to do (though I haven;t seen the rgem, ggem or ukie and am waiting for Ian to post some links) we may do much better than we're thinking now....or worse

the euro was already really wet at 12z .. the really heavy precip will be where it doesnt snow at all or a flake mixes in at the end.

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No reason we can't muscle a 1.5" event here that gives DCA 0.8". I dont care about the pattern. Before the KU era, we used to get a lot of 2-4"/1-3" events

If we can squeeze out a couple of inches from this out here then that should put us at or near normal for the season...I'll take that in a crap pattern.

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No reason we can't muscle a 1.5" event here that gives DCA 0.8". I dont care about the pattern. Before the KU era, we used to get a lot of 2-4"/1-3" events

could be. i'd lean low for now still -- we did not get enough heavy snow on the back end in oct that it would have a much different outcome today in the dark. i dont think people need to put out numbers till tomorrow unless it's for recording purposes (said it first) etc. lotsa time still, really only need a "more accum here" and "less here" zone idea for now.

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if the Euro gets stronger like all the models seem to want to do (though I haven;t seen the rgem, ggem or ukie and am waiting for Ian to post some links) we may do much better than we're thinking now....or worse

If it's more amped with the potent ULL doing the thumping maybe a track slightly to the NW of 12z wouldn't matter much? It seems the recent runs speeding up the shortwave and individualizing the ULL slightly tended to change over quicker on the backside with heavier QPF, though warmer initially so there might be a threshold somewhere. I'd be nervous having the 850 low track any further NW than the Euro had progged at 12z but if it indirectly meant more ULL sex the risk might be worth it IMO.

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I'm going 3-5 slushy inches for Leesburg. Snow index is a 3 though

i think other than 09-10 (and even then as well) forecasters have to always 'trail' the models significantly. has there ever been a big snowstorm where people nailed it exactly 2-4 days out?

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could be. i'd lean low for now still -- we did not get enough heavy snow on the back end in oct that it would have a much different outcome today in the dark. i dont think people need to put out numbers till tomorrow unless it's for recording purposes (said it first) etc. lotsa time still, really only need a "more accum here" and "less here" zone idea for now.

Agreed. It could totally fizzle out. Ill be up for the euro

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If it's more amped with the potent ULL doing the thumping maybe a track slightly to the NW of 12z wouldn't matter much? It seems the recent runs speeding up the shortwave and individualizing the ULL slightly tended to change over quicker on the backside with heavier QPF, though warmer initially so there might be a threshold somewhere. I'd be nervous having the 850 low track any further NW than the Euro had progged at 12z but if it indirectly meant more ULL sex the risk might be worth it IMO.

there wasnt one on the 00z NAM or GFS, so will be interesting to see if the EURO keeps it

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i think other than 09-10 (and even then as well) forecasters have to always 'trail' the models significantly. has there ever been a big snowstorm where people nailed it exactly 2-4 days out?

ya..the Dec 19 and Feb 5 storm of 09-10 right? we all knew Feb storm would be 20 plus inches a week out

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