As there is no thread yet and things are just starting to look interesting on the model front I thought I'd start one.
Some speculation of a SSW type event mid-December (though the effect usually starts to be felt 2+ weeks later) with a good chance of significant arctic outbreak for some part of the northern hemisphere but too early to say what and where.
https://www.aer.com/science-research/climate-weather/arctic-oscillation/
The end of the GEFS run starting to show some promise for colder possibly snowy weather come December
https://www.theweatheroutlook.com/twodata/chart.aspx?chart=/charts/gefs/gefsens850London0.png?cb=2
Siberian snow coverage is progressing well and ahead of many recent years
https://www.natice.noaa.gov/pub/ims/ims_v3/ims_gif/ARCHIVE/EuAsia/2019/ims2019321_asiaeurope.gif
And we've seen early snow for some parts of the UK already with parts of Wales especially getting a taste https://www.bbc.co.uk/news/uk-wales-50376070
Gav's latest in-depth look at the potential for the coming winter:
Some speculation of a SSW type event mid-December (though the effect usually starts to be felt 2+ weeks later) with a good chance of significant arctic outbreak for some part of the northern hemisphere but too early to say what and where.
https://www.aer.com/science-research/climate-weather/arctic-oscillation/
The end of the GEFS run starting to show some promise for colder possibly snowy weather come December
https://www.theweatheroutlook.com/twodata/chart.aspx?chart=/charts/gefs/gefsens850London0.png?cb=2
Siberian snow coverage is progressing well and ahead of many recent years
https://www.natice.noaa.gov/pub/ims/ims_v3/ims_gif/ARCHIVE/EuAsia/2019/ims2019321_asiaeurope.gif
And we've seen early snow for some parts of the UK already with parts of Wales especially getting a taste https://www.bbc.co.uk/news/uk-wales-50376070
Gav's latest in-depth look at the potential for the coming winter: