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Isotherm

Stratospheric Discussion and Forecasting

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To have all major ensembles in on this SPV roughly w1 attack is pretty good in terms of reach for a late December SSW.

IMG_5853.JPG

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It's an Op run, but this was ominous at the end of the 12z GFS...

 

gfs_Tz10_nhem_33.png

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And again...wow. If I were a betting man, I'd say this is a legit SSW starting to show up on guidance.

gfs_Tz10_nhem_33.png

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Persistently on the LR GFS now. Oh yes. It's coming.

 

gfs_Tz10_nhem_33.png

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11 hours ago, wxmd529 said:

@earthlight @Isotherm are displacement events similar to splitting events in that cold usually ends up either in europe or NA? 

https://journals.ametsoc.org/doi/full/10.1175/JCLI-D-12-00030.1

 

This paper is worth the read if you got time. 

 

If you don’t, we’ll, here the cliff notes:

 

520C5E69-8DC9-4EDB-9FBA-22119DD831C9.png.db7a7d04adf6be958893b47819919f66.png

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