A more information-dense post with some background [edit: …background on the phenomenon and its significance to climate and weather forecasting] from the U.S. National Weather Service:
https://www.weather.gov/bis/sudden_stratospheric_warming_eve...
https://www.weather.gov/bis/sudden_stratospheric_warming_eve...
This is interesting, but ancient history, and the article is clearly spam.
That blog post you reference isn't a "source", but a "helpful link" to a post about a past event that will, hopefully, help people better understand the stratospheric warming event that is happening now.