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January Medium/Long Range Discussion


WinterWxLuvr
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3 hours ago, Bob Chill said:

Gfs has a southern stream type storm and track in the east but tracks first through Manitoba, Des Moines, St Louie. Not much of a jump/redevelop at all either. Not saying anything is impossible but when I can't recall a reasonable similar scenario at any time in the past, my doubt meter spikes. 

That type of synoptic setup happened several times in the 1950's 60s and 70s but has not been common at all since.   And definitely with you on the skepticism of that look.  Not sure what happened that long ago is really relevant to what is likely in today's climate.  But I suppose it means it's not "meteorologically impossible" as someone likes to say...but maybe just more "meteorologically improbable"  

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13 minutes ago, StormchaserChuck! said:

We are heading into El Nino, it looks like

TAO_5Day_EQ_xz.thumb.gif.91f633deb251e24952e2566674b56bc8.gif

I showed you the counter example, 1987-88 where the cold subsurface water during El Nino gave us a lot of southern jet High pressures. I think the warm bubble in the subsurface won't last past April-May, but it does directly correlate to +PNA conditions directly(when 165W-135W is warm-warming). 

Date Tahiti (hPa) Darwin (hPa) Daily Contribution 30 day Av. SOI 90 day Av. SOI
11 Jan 2022 1011.99 1008.45 -5.04 6.46 8.80
10 Jan 2022 1007.84 1008.35 -24.11 7.04 9.02
9 Jan 2022 1007.02 1008.30 -27.74 8.33 9.43
8 Jan 2022 1008.45 1008.65 -22.65 9.56 9.77
7 Jan 2022 1011.09 1008.10 -7.63 10.53 9.97

 

 

 

download.png.6b660aec96f1f384da425f402e802c2f.png

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2 minutes ago, Ji said:
15 minutes ago, psuhoffman said:
I know people hate our typical warm Christmas but having a cold pattern set in early January is perfect to maximize our snowfall opportunities.  

Why cant it start on dec 23?

I don't know...but there has been 2 very distinct "pattern flip" trigger points to the US winter patterns over the last 30 years or so.  One is in November and the other just after xmas.  We have had plenty of cold/snowy patterns early but they tend to wane and expire just before xmas.  And we have had many colder periods start just after xmas.  For whatever reason xmas itself seems to fall in a dead zone.  Whether that is just really bad luck or there is some legitimate causality out there to my anecdotal observations I don't know.  

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23 minutes ago, frd said:

 

For sure,  lots of cold and active. Even Walt Drag is excited and the super long range modeling keeps extending the winter pattern. 

A slight digression, but as a kid growing up in southern New England, Walt Drag's AFDs were a winter highlight.

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22 minutes ago, StormchaserChuck! said:

We are heading into El Nino, it looks like

TAO_5Day_EQ_xz.thumb.gif.91f633deb251e24952e2566674b56bc8.gif

I showed you the counter example, 1987-88 where the cold subsurface water during El Nino gave us a lot of southern jet High pressures. I think the warm bubble in the subsurface won't last past April-May, but it does directly correlate to +PNA conditions directly(when 165W-135W is warm-warming). 

If we are, then it's about damn time. Our last El Niño was 6 years ago. We are due. 

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