Winter: Global Model Watching
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Re: Winter: Global Model Watching
Well warm up cancel on the guidance. More bitter cold air on the way. If you are north of I-40 you may not thaw out until May.
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Re: Winter: Global Model Watching
Here's an animation of the 6AM temps as predicted by the euro, starting this Wednesday and going to next Wednesday.


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Re: Winter: Global Model Watching
Trough is coming in way stronger than the ensembles predicted, but with a fairly progressive pattern the long range still looks decent for the east.


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- northjaxpro
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Re: Winter: Global Model Watching
This morning's 6Z GFS shows a massive 1052 mb Arctic High dropping South into North Dakota coming this Monday 1/15/18.
The arctic air just keeps reloading over North America and dropping south with our persistent pattern.
The arctic air just keeps reloading over North America and dropping south with our persistent pattern.
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Re: Winter: Global Model Watching
It is a progressive pattern, DC is close to 70 on Friday
And the cold does not hang around long enough to change the overall average, at least up here

Code: Select all
REAGAN WASHINGTON NATIONAL
KDCA GFSX MOS GUIDANCE 1/09/2018 0000 UTC
FHR 24| 36 48| 60 72| 84 96|108 120|132 144|156 168|180 192
TUE 09| WED 10| THU 11| FRI 12| SAT 13| SUN 14| MON 15| TUE 16 CLIMO
X/N 49| 31 46| 36 55| 54 69| 46 47| 24 33| 19 33| 24 40 25 43
TMP 40| 32 42| 39 52| 59 63| 51 38| 26 28| 20 29| 26 34
DPT 25| 24 27| 34 47| 56 59| 44 17| 10 7| 6 10| 12 13
CLD CL| PC OV| OV OV| OV OV| OV OV| CL CL| CL CL| PC PC
WND 5| 3 6| 4 6| 9 9| 13 18| 17 12| 8 8| 7 13
P12 0| 1 4| 12 21| 86 70| 87 35| 31 24| 20 24| 23 31 20 23
P24 | 9| 22| 93| 100| 31| 25| 38 32
Q12 0| 0 0| 0 0| 4 4| 5 1| 1 0| 0 |
Q24 | 0| 0| 4| 5| 0| |
T12 0| 0 0| 0 0| 8 7| 14 1| 0 0| 0 1| 0 1
T24 | 1 | 0 | 8 | 27 | 2 | 0 | 1
PZP 1| 1 18| 1 0| 0 7| 7 5| 9 10| 12 15| 14 16
PSN 61| 53 0| 9 0| 0 0| 0 32| 81 79| 73 67| 58 57
PRS 6| 0 0| 0 1| 1 2| 3 18| 1 2| 3 3| 8 8
TYP S| S R| R R| R R| R RS| S S| S Z| Z Z
SNW | 0| 0| 0| 1| 0| |
And the cold does not hang around long enough to change the overall average, at least up here

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- gatorcane
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Re: Winter: Global Model Watching
Looks like tropical tidbits added ICON which includes 2M temperature fields as well as MSLP precip (rain/frozen). Does anybody know what ICON is? Looks like it is a German model. I have heard of it in some of the NHC tropical discussions.
https://www.tropicaltidbits.com/analysi ... 0&ypos=138
https://www.tropicaltidbits.com/analysi ... 0&ypos=138
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- TheStormExpert
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Re: Winter: Global Model Watching
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Re: Winter: Global Model Watching
PV anomaly is dropping into the eastern Conus next week. Bitter cold air.
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Re: Winter: Global Model Watching
Bets on February? CPC isn't showing much, but the Texans are hinting at something very unpleasant.
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Re: Winter: Global Model Watching
Likely coldest air of the season yet as the continent goes into deep freeze

The key is the MJO. The holy grail for February is amplitude into phases 7-8-1-2 for the US. Reconstructed analogs almost always features significant cold blasts for that month with corresponding MJO signal.


The key is the MJO. The holy grail for February is amplitude into phases 7-8-1-2 for the US. Reconstructed analogs almost always features significant cold blasts for that month with corresponding MJO signal.

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- NotSparta
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Re: Winter: Global Model Watching
Ntxw wrote:Likely coldest air of the season yet as the continent goes into deep freeze
The key is the MJO. The holy grail for February is amplitude into phases 7-8-1-2 for the US. Reconstructed analogs almost always features significant cold blasts for that month with corresponding MJO signal.
Luckily I don't think Toronto will be getting the coldest air of the season, that map puts us at average and the coldest air of the season would be highs below 0.
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Re: Winter: Global Model Watching
Two week forecast (out through the 9th as of this morning) I've been watching has been sliding towards cooler, but not abnormally cold. 'Mean' daily temperatures move upwards now also by about 5 degrees from mid-January to mid-February, so 'colder than normal' may not be as cold as it was for the last blast..
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Re: Winter: Global Model Watching
I don't believe the 2 week euro in the winter, we will see. So far looks like slightly below normal cold for our area. I liked the last round of snow, enough to look good but not so much as to cause any big issues.
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M a r k
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Re: Winter: Global Model Watching
Current forecast I'm seeing out through the 11th shows nothing extreme. A glancing blow this Thursday, Friday and Saturday, then moderation to 'normal' temperatures. Is this 'extreme cold' the Texans are talking about supposed to be later in the month?
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