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January Pattern and Storm Discussion II


Cold Rain

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So we have a barrage of accum maps for a storm that was never going to be snow for most if not all (todays system) - yet we can't get an accum map of the fantasy snow from the epic storm on the euro.

wunderground picked a great day for its maps to screw up. I can't get any panels beyond day 5 or so.

Member 008 off the 0z gfs is probably a good match or Eurolike.....if you will.

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If memory serves (and I'm on very little sleep), I think the Euro was initially the only model that caught onto the piece of last week's trough hanging back. Turned out to be correct obviously. 

 

Matt I think you're correct, the whole ULL threat came from the EURO first when everybody else was progressive, the GFS later came around to it.  IIRC.  Not to say this is the same, but this time I think it led the way. 

 

I think Robert back in November made a great point on how the euro seems to lead the way with big storms and smaller ones not so much. Example, the Christmas storm of 2010.

 

I remember the Christmas storm being progged a week early and we followed it all week (and it underperformed, but I'm not bitter!!).  So yeah, maybe the EURO is on to something.  It seems to me that this year the GFS has picked up well on long range synoptic patterns like ridges, NAO, etc while the EURO has led the way on storms, IMO. 

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What's encouraging to me is that the pattern is going to support threats...who knows on the specific timing, etc.

 

Yes, that's the best part for me.  Mets on the board from various regions called out this time frame as something to keep our eyes on,  them BOOM.  Here you go. 

 

I'm feelin this one!! (It'll disappear on the next run but it's fun to think about for the next few hours). :bag:

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Matt I think you're correct, the whole ULL threat came from the EURO first when everybody else was progressive, the GFS later came around to it.  IIRC.  Not to say this is the same, but this time I think it led the way. 

 

 

I remember the Christmas storm being progged a week early and we followed it all week (and it underperformed, but I'm not bitter!!).  So yeah, maybe the EURO is on to something.  It seems to me that this year the GFS has picked up well on long range synoptic patterns like ridges, NAO, etc while the EURO has led the way on storms, IMO. 

It actually showed up on Day 10 over N GA...I know since I had planned a trip to California and wanted to see what fly out day looked like. Not that I want to pump up the hype or anything.... :hurrbear:

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We got a general idea if the 3 events before it continue to hit near Friday.

 

22028_396451057114561_1222781812_n.jpg

Looks like 4-6 here. I'd pay good money if this run is right..hell I'd pay even more if it shift south a bit. Don't know the full soundings of the euro but given how cool (barely above freezing at 850mb from around atlanta to washington, I wouldn't be suprised to see an area of sleet..possibly significant.

 

That said, it's one run and a huge departure from the last run so won't be excited about this just yet. Certainly need some other model support.

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CPC Prognostic Discussion - http://www.daculaweather.com/4_cpc_extended_disco.php

 

http://www.daculaweather.com/4_hpc_extended_disco.php

 

 

EXTENDED FORECAST DISCUSSIONNWS HYDROMETEOROLOGICAL PREDICTION CENTER COLLEGE PARK MD1210 AM EST FRI JAN 25 2013VALID 12Z MON JAN 28 2013 - 12Z FRI FEB 01 2013WILL NOT BELABOR THE BOTTOM LINE FOR THE CONFIDENCE IN THIS MEDIUMRANGE FORECAST: IT IS VERY LOW. THE BIG UNCERTAINTY IS HOW MUCH OFTHE ENERGY DROPPING ALONG THE WEST COAST TUCKS OFFSHORE EARLY INTHE PERIOD--A SITUATION THAT WOULD LEAD TO A MUCH SLOWER EJECTIONOF THE TROUGH. THE 12Z/24 EUROPEAN CENTRE GUIDANCE KEPT THE TROUGHOUT OF PLAY BY UNDERCUTTING THE RIDGE TO THE NORTH. THE REMAINDEROF THE MODELS, INCLUDING PREVIOUS RUNS OF THE ECENS MEAN, KEPT THEENERGY CLOSE ENOUGH TO THE MAIN BAND OF WESTERLIES TO ALLOW IT TOKICK INTO THE SOUTHERN PLAINS AND PHASE WITH THE NEXT SLUG OFENERGY DROPPING DOWN FROM CANADA. THE EUROPEAN GUIDANCE IS OFTENTHE FIRST TO LATCH CORRECTLY ONTO A NEW TREND, SO GAVE IT HALF THEWEIGHTING IN THE MANUAL BLEND. BALANCED THE REMAINDER OF THE BLENDWITH THE MORE PHASED/PROGRESSIVE 12Z/24 GEFS MEAN. THE RESULT ISTHE AMORPHOUS BLEND OF TWO DISPARATE ENSEMBLE MEANS, WHICH RENDERSDISCUSSION OF THE PARTICULARS OF ANY GIVEN SYNOPTIC SYSTEM MOOTUNTIL THE BIG PICTURE BECOMES CLEARER.THE SAFEST THING TO NOTE ABOUT THE SENSIBLE WEATHER IS THE MASSIVEWARM-UP FOR THE NATION EAST OF THE ROCKIES, WITH THE ANOMALIESFLIPPING FROM DOUBLE-DIGIT NEGATIVE TO DOUBLE-DIGIT POSITIVEACROSS THE UPPER MIDWEST DAYS 3 AND 4.CISCO
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Ok, check out this Philly Thread.  It seems like the mets over there have a real feel that the south is about to be rockin.  I think we need to start "preparing for glory"!! Where's WOW been anyway? 

 

If this specific storm doesn't pan out, perhaps another wave in the newly active STJ will.  Good times.  :sled:

 

http://www.americanwx.com/bb/index.php/topic/38643-medium-range-long-range-thread/page-25?

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