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Old 12-04-2012, 04:50 AM
 
Location: Near the Coast SWCT
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This is what the Euro shows for snowfall through next week. I have high confidence Northern Texas sees snow based on the consistancy of models showing this. An extended swath of 6-12" from eastern Kansas into the great Lakes.

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Old 12-04-2012, 05:39 AM
 
Location: Near the Coast SWCT
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Skiing anyone? Latest GFS6z shows this for snowfall in the Northeast for beginning of next week. I believe this is overdone but being 6 days out, one never knows.

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Old 12-04-2012, 07:02 AM
 
Location: Near the Coast SWCT
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Here we go. Right on cue. HPC discusion.
HPC's Extended Forecast Discussion

"THE MEAN TROUGH FROM THE WEST INTO THE PLAINS WILL SET THE STAGE THE FIRST CHANCE OF WIDESPREAD ICE AND SNOW THIS SEASON IN THE LOWLANDS OF THE CORN BELT AND THE WESTERN GREAT LAKES."

Here is their 500mb pattern setup for Monday. To keep things simple, whenever you have the digging trough its where the snows will be. At this time its the center of the country. The other factor is, where does the storm phase. Usually phases on the right side of the trough which would be where my arrow is.
Snows to the west, Rains to the right.

A wild card is a wave of low pressure rides the right side of the trough as it moves east and the main storm gets transferred into a coastal storm near Maine. hence why the snow totals are shown in New England

You can get HPC 500mb forecast here to see where the cold/warm/storm track setup would be.
HPC Medium-Range 500 MB Forecasts (Days 3-7)


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Old 12-04-2012, 07:51 AM
 
Location: USA East Coast
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Coast to coast warmer than normal temps yesterday:


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Old 12-04-2012, 08:06 AM
 
Location: Laurentia
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Enjoy the fun in the sun while it lasts, Wavehunter . Just kidding, and from what I see it's kind of cloudy in your region this morning, so you'll just have to settle for warmth. However, a pattern change does look to occur, and I pretty much agree with DaninEGF's thoughts on it.
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Old 12-04-2012, 08:19 AM
 
Location: Front Range of Colorado
1,635 posts, read 2,518,204 times
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Quote:
Originally Posted by Cambium View Post
This is what the Euro shows for snowfall through next week. I have high confidence Northern Texas sees snow based on the consistancy of models showing this. An extended swath of 6-12" from eastern Kansas into the great Lakes.
That's funny. I'm looking at at NWS Forecast for Northern Colorado (KFNL)that goes through next Monday and there is not the mention of a single flake of snow.

NOAA National Weather Service
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Old 12-04-2012, 08:25 AM
 
Location: USA East Coast
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Quote:
Originally Posted by Patricius Maximus View Post
Enjoy the fun in the sun while it lasts, Wavehunter . Just kidding, and from what I see it's kind of cloudy in your region this morning, so you'll just have to settle for warmth. However, a pattern change does look to occur, and I pretty much agree with DaninEGF's thoughts on it.

Well in my particular case…the fun WILL last; I only have until December 12th or so before I’m down in southern Florida. Things look pretty mild right until I depart. I haven’t see snow since last Feb – and I would like to keep it that way.


After that, it can snow/rain/cold/wind….etc I really don’t care. I’ll be sitting under a coconut palm with the sun blazing down, watching the mail boats and cruise ships head into the Bahamas - lol





.
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Old 12-04-2012, 08:25 AM
 
Location: Mid Atlantic USA
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Quote:
Originally Posted by Patricius Maximus View Post
Enjoy the fun in the sun while it lasts, Wavehunter . Just kidding, and from what I see it's kind of cloudy in your region this morning, so you'll just have to settle for warmth. However, a pattern change does look to occur, and I pretty much agree with DaninEGF's thoughts on it.

And the pattern can just as easily switch back to warm again. This is why winter std deviation temps are so high. If was only always cold, our std deviation would be much lower.
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Old 12-04-2012, 08:28 AM
 
Location: Mid Atlantic USA
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Quote:
Originally Posted by wavehunter007 View Post
Well in my particular case…the fun WILL last; I only have until December 12th or so before I’m down in southern Florida. Things look pretty mild right until I depart. I haven’t see snow since last Feb – and I would like to keep it that way.


After that, it can snow/rain/cold/wind….etc I really don’t care. I’ll be sitting under a coconut palm with the sun blazing down, watching the mail boats and cruise ships head into the Bahamas - lol





.

Are you retired, or are you just able to work remotely from down there? Seems like an awful long time to get off from work. Good luck to you though, you are lucky. I'll be trudging to work with the cold wind blowing in my face every morning. I just hope the snow and ice keeps to a minimum.
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Old 12-04-2012, 08:46 AM
 
Location: USA East Coast
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Quote:
Originally Posted by tom77falcons View Post
And the pattern can just as easily switch back to warm again. This is why winter std deviation temps are so high. If was only always cold, our std deviation would be much lower.


Exactly: There is always the attempt for forecasters to see what is most dramatic

Also…in fairness (and I say this with a great deal of respect of DaninEGF)….there is absolute no hard evidence that it will turn sharply colder the last two weeks of December in the United States. My guess is DaninEGF is basing his colder forecast on the logic that some of the models are showing more blocking setting up over Greenland the 2nd part of December (normally this means a colder pattern in the central and northeastern USA). However, there is still a core of cold that is building in Alaska and western Canada –and this often means that the cold air stays in the Midwest or western USA – and the East (esp. the East Coast) has normal or even above normal temps.

There is absolutely no hard evedience that it will get sharply colder over the USA after mid-December- especially on the East Coast where cold air masses have to travel the furthest to reach as the come out of western Canada.

Several others have said the same thing –

Update on Long Range Forecast Model - Canadian Weather Blog - AccuWeather.com
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