It certainly looks like here will be another wave break behind the first that could get us closer to a SSW, but the forecasts at that range are a little too uncertain.
For those who are still unsure of the tropospheric - stratospheric coupling and interaction mechanisms I provide a few links from a few papers demonstrating this ;
http://www.nwra.com/resumes/baldwin/pubs/Thompsonetal_2002.pdf
http://www.mri-jma.go.jp/Dep/cl/kuroda/2007JD009550.pdf
http://www.mri-jma.go.jp/Dep/cl/kuroda/2008GL034902.pdf
http://www.columbia.edu/%7elmp/paps/waugh+polvani-PlumbFestVolume-2010.pdf
http://www.columbia.edu/%7elmp/paps/gerber+orbe+polvani-GRL-2009.pdf
http://center.stelab.nagoya-u.ac.jp/cawses2005/PDF/yamazaki_koji.pdf
http://www.atmos.washington.edu/~dennis/LimpasuvanetalVortexJC_04.pdf
http://journals.ametsoc.org/doi/full/10.1175/1520-0442%282002%29015%3C0781%3ADPTAIT%3E2.0.CO%3B2
http://www.agu.org/pubs/crossref/2000/2000JD900095.shtml
And if that is not enough to convince you, then don't worry, I can provide a lot more!
For those who have not looked at stratospheric influences before please do read the first post on the Netweather thread. I will try and post here when I can, but the majority of posting will be over there!!