The most brutal day up there in recent history was February 16th, 2015.
The day started out at -37C with sustained winds of 140 kmh and gusts of 155 kmh. Later that day it reached -27C with sustained winds of 198 kmh and gusts of 210 kmh. Wind chills bottomed out around -67C (-90F).
https://www.wunderground.com/history...eqdb.wmo=06700
In those conditions it would've been nearly impossible to film such a video. The reason it became possible now (during springtime) is that the temps are much milder, only -6C as opposed to -20s or -30s C.