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January Mid/Long Range Disco 2


WinterWxLuvr
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13 minutes ago, Terpeast said:

If this lines up with the MJO 8-1 as depicted for this time frame, we could probably get another wave with the right pieces in place, including cold air. Maybe the first week of February.

Fwiw but the Euro weeklies have negative 2m temp anomalies spreading across much of the lower 48 towards mid Feb as the mean trough shifts into the central US, with a -EPO and neutral/slightly +PNA.

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Just now, Heisy said:

Looks like 18z GFS gonna miss the tpv phase with the 11th wave…. However there is better confluence vs 12z and main wave isn’t as strong so maybe it still works out? We’ll see…

Here are differences in Atlantic vs Euro and 18z GFS… still lots to sort out
d655a3f35741cd40b6f69f4b61cc756c.gif


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Man, if I was high right now and stared at this....

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3 minutes ago, WxUSAF said:

GFS has less confluence in the northeast than it did at 12z

I actually think it looks a bit better. a TPV lobe sits over SE Canada and acts to lower heights over the NE, so the HP is stronger than 12z

there also isn't any phasing with the northern stream. let's see where it goes. not going to be the ECMWF, but it's still workable

gfs_z500_vort_us_fh174_trend.thumb.gif.242662da22dc52bff534bc427af26c4c.gif

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