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February 2023 Obs/Discussion


Baroclinic Zone
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Lol ... some of you don't exactly demonstrate a willingness to operate within the confines of personal restraint.   I'm seeing a lot of 'huge finish as we thought' this, and 'all kinds of chances now through March' that.  

That didn't take long!   It's like you entered a rehabilitation clinic for a 90 day court order tactile treatment ... passed the screening, and summarily upon release, drove 90 mph to a crack house ...

Even if those notions are just in jest, ... just sayn' 

As far as the D8-11 period - imho - we are still just talking about a signal.  There's some subtle attempt at convergence upon an event, but ... it's quite vague. The Euro and GGEM want it closer to D10.  The GFS ...suggestion races matters along, and is flatter and weaker around D8.5 through 9.   While all the while, these are solutions that are new - in other words, no continuity is established yet...etc... Well, that's not entirely fair for the GFS... it's been carrying an idea better.

If I were taking an early guess at 'extended' model performance, they seem to all be operating slaved to their own bias types. The Euro and especially the GGEM tend to end up with more curvature in the field beyond D7 as a general rule. That probably ...or could, I should say, atone for their slower deeper solutions. The GFS on the other hand, tends to a progressive vibe that grows out in time, such that the wave mechanics get stretched and ultimately interfered with - even if only small fractions.  All models have a lot of gradient setting up N-S from higher to lower latitudes across the continent in the D6-12 range... so, timing and ultimately intensity/..placement.. .yikes.  

Beyond that 12 days ( or so...) I wouldn't even step foot into the casino on this one. Good luck. The longer term planetary cues have us doing a 1976 escape this year.  In fact, the only reason I can see why we haven't done some kind of attribution scientist's fantasy escape already, is  really all coming down to the quasi ( almost non-descript) -EPO forcing that may not even be coherently evident on the charts. But the end result of Canadian cold loading tends to betray that influence...  If not for that one ?saving? grace, imho we'd have crockus and forsythias coming to life already.   

 

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Good luck

KDAW   GFSX MOS GUIDANCE   2/14/2023  0000 UTC
FHR  24| 36  48| 60  72| 84  96|108 120|132 144|156 168|180 192
TUE  14| WED 15| THU 16| FRI 17| SAT 18| SUN 19| MON 20| TUE 21 CLIMO
X/N  41| 26  54| 37  56| 39  48| 13  33| 18  43| 29  45| 32  46 16 37
TMP  34| 29  48| 40  49| 41  36| 16  25| 22  36| 32  40| 35  37
DPT  22| 23  36| 34  35| 37  19|  3   6| 13  22| 26  28| 27  20
CLD  CL| PC  PC| PC  PC| OV  OV| CL  CL| CL  CL| PC  PC| PC  PC
WND   9|  2   6|  7   6|  4  15| 16   6|  4   7|  3   5|  4  10
P12   4|  0   6|  3   7| 52  70|  9   3|  9  12| 19  22| 24  21999999
P24    |      6|      8|     87|     13|     18|     27|     32   999
Q12   0|  0   0|  0   0|  1   1|  0   0|  0   0|  0    |
Q24    |      0|      0|      2|      0|      0|       |
T12   0|  0   0|  0   0|  3   1|  0   0|  1   0|  0   0|  0   0
T24    |  0    |  2    |  3    |  3    |  1    |  1    |  2
PZP   0|  8   9|  0   0|  1   2|  5   5| 10  10| 10   8|  5   3
PSN  49| 45   0|  2   2|  0  13| 90  90| 68  33| 13  21| 11  41
PRS  32|  0   3|  1   0|  0   9|  3   3| 10  24| 19  15|  8  14
TYP  RS|  S   R|  R   R|  R   R|  S   S|  S  RS|  R   R|  R  RS
SNW    |      0|      0|      0|      0|      0|       |

 

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7 minutes ago, dendrite said:

It's just high cloudiness

us_model-en_modez_2023021400_66_476_113.pngus_model-en_modez_2023021400_66_476_150.pngus_model-en_modez_2023021400_66_476_151.png

It’s gfs vs euro. Euro is later with it and thus a bit warmer. Also I’m looking more at CT for mid to lower level clouds and rain moving in after midday. In my experience these always moved in faster.  FWIW NAM brings in rain earlier like gfs too for CT and WNE. 

1A7EF64B-651F-4278-BCD2-30939598D410.png

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