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February mid to long range threats discussion


Ji

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The pattern has real potential.   Check out the 500 mb composite analogs.  At the lower right, check out the last analog:  02/05/1995.

This storm is in Kocin's book.

 

 

attachicon.gif500hgt_comp_18gfs610.gif

 

that isn't a great pattern...2/4/95 was a thread the needle storm...happened all because of a steroid ridge....being the 10th analog isn't that impressive

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that isn't a great pattern...2/4/95 was a thread the needle storm...happened all because of a steroid ridge....being the 10th analog isn't that impressive

d10-15 means are pretty impressive. India to Baja ridge bridge. I can't recall the last time I saw something like that. What it means for us is hard to say. If vort spacing remains in the 2-4 day range the law of averages should catch up to us. Hopefully we can keep separation from tracking and despondency in this thread. There will be no shortage of things to keep an eye on. I'm in a total take what I can get mode (as I'm sure you are). It's probably going to snow multiple times over the next 15 days.

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I knew the answer already sadly. Maybe lady luck will throw us a bone at some point. Though she'll probably overthrow us and it will get picked off by someone playing for Boston.

well, that's the first system which we know would be north

but, one would think that even further north would put us completely out of the game for #2, but there's always something wacky that can't be considered I guess

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new sref has the first system way north with the heaviest precip axis way north of Boston and even north of NY state

I don't think any of the models showed that so far

not that it's correct, but maybe indicative of a continued north trend?

http://mag.ncep.noaa.gov/Image.php?fhr=087ℑ=data%2Fsref%2F21%2Fsref_namer_087_precip_p24.gif&model=sref&area=namer&param=precip_p24&group=Model+Guidance&preselected_formatted_cycle_date=20150204+21+UTC&imageSize=&ps=model

I am not sure how much if any influence that initial wave is going to have on our system Mon-Tues.  There are 3 vorts diving down and its the second and third that spawn the storm we might get.  In my opinion the second vort is the most important one, recently the runs have been further north with that second system and that is what was more of an issue than that initial wave being north.  Perhaps more separation might even be better...but as I am sure you will agree this year probably not

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d10-15 means are pretty impressive. India to Baja ridge bridge. I can't recall the last time I saw something like that. What it means for us is hard to say. If vort spacing remains in the 2-4 day range the law of averages should catch up to us. Hopefully we can keep separation from tracking and despondency in this thread. There will be no shortage of things to keep an eye on. I'm in a total take what I can get mode (as I'm sure you are). It's probably going to snow multiple times over the next 15 days.

 

it is a pretty cool look...too bad the atlantic isn't a cool look...we'll have chances to score though....hard to believe we haven't done better in a ridiculous +PDO winter

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I am not sure how much if any influence that initial wave is going to have on our system Mon-Tues.  There are 3 vorts diving down and its the second and third that spawn the storm we might get.  In my opinion the second vort is the most important one, recently the runs have been further north with that second system and that is what was more of an issue than that initial wave being north.  Perhaps more separation might even be better...but as I am sure you will agree this year probably not

if you look at the 850map in SE Canada, the cold air is never making south, and each run keeps it further north...literally locked up north of the front

the flow is zonal on the NAM this run across the country and near zonal on the GFS come 0Z Sunday

the original premise suggested the other day and less so today was cold air was to bleed south...I don't see how any of it makes it the way things are progressing

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if you look at the 850map in SE Canada, the cold air is never making south, and each run keeps it further north...literally locked up north of the front

the flow is zonal on the NAM this run across the country and near zonal on the GFS come 0Z Sunday

the original premise suggested the other day and less so today was cold air was to bleed south...I don't see how any of it makes it the way things are progressing

yea I noted that in my other post, and the trends of pushing the thermal boundary further north is making this a much more complicated system for us to do well and I agree complicated is not good.  The trends have not been good since last night but I am not throwing in the towel yet.  I may soon if these trends keep up. 

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yea I noted that in my other post, and the trends of pushing the thermal boundary further north is making this a much more complicated system for us to do well and I agree complicated is not good.  The trends have not been good since last night but I am not throwing in the towel yet.  I may soon if these trends keep up. 

I don't even want to think of how many times that phrase, or something similar, has been posted in here the last 2 weeks.   :(

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it is a pretty cool look...too bad the atlantic isn't a cool look...we'll have chances to score though....hard to believe we haven't done better in a ridiculous +PDO winter

December was a lost cause mostly. And that applied to the whole east half of the us. January was fair enough overall. Jury is out for Feb.

Last year was unexpectedly "in sync" and this year is very much out of sync so far.

The Atlantic side seems to run in some sort of longer term cycle. At least to me it appears that way. Blocking or lack thereof seems to come in bunches. Not evenly spaced of course but there is something more than equal odds each year that I'm not sure anyone really understands yet.

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that isn't a great pattern...2/4/95 was a thread the needle storm...happened all because of a steroid ridge....being the 10th analog isn't that impressive

Not great but not horrid or at least not horrid if we hadn't been screwed already with ridge in the west so much this winter because of the positive NAO and bad luck.  Last year we probably had more than our share of good luck, now we're balancing it out with bad. 

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It's just dry and not sure how we can get with the frontrunner being stronger....It's colder though and maybe that is a silver lining...most of DC metro spends all day Monday at or below 32....DCA is 32 or colder from 7am on, and a snow sounding by Noon or so....only about 1" probably.....one way to get an event might be to simply trend colder and get Monday/Monday night wetter

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It's just dry and not sure how we can get with the frontrunner being stronger....It's colder though and maybe that is a silver lining...most of DC metro spends all day Monday at or below 32....DCA is 32 or colder from 7am on, and a snow sounding by Noon or so....only about 1" probably.....one way to get an event might be to simply trend colder and get Monday/Monday night wetter

amplify the vort and you get that, but the trend is going against us there

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amplify the vort and you get that, but the trend is going against us there

 

the frontrunner is stronger and that isn't helping us....I still have some outside hope that there will be a phase and the consolidated vort will take a better track...even without that, seeing it colder is better...the colder the better chance of a small event and that we can cash in if the trailer is more formidable.....It is subtle but not as subtle as one might think..MBY is colder much earlier than at 18z run

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Don't really trust this setup until the S/W get on shore. It all looks like whale puke shrapnel before it amplifies, I see know reason why the troff can't dig a lot less/more 300miles east/west.

 

I think the 500mb evolution is an improvement...a stronger frontrunner isn't a bad thing...it will dig more and the trailer will catch up...

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As I read this thread on my late night ride home from NYC, I feel like a new dealer does need to step in. Mitch is likely right. I would be even willing (like I have a choice) to punt the first 10 days of February if it leads us to HECS/BECS land. Probably won't happen, but I do my best to stay positive. I believe in good karma. And one day soon, Boston will lose a game, and we'll score the coup. :) Of course by then, Boston be like good! We've been digging for weeks. It's all yours. Enjoy.

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