Good explanation.
Up here in the frozen North we all know when “it’s too cold to snow.” Then one of the ubiquitous atmospheric rivers is pulled over us by jet stream action (compounded by the various ocean oscillations) and the temp increases just enough for...snow.
Ya can’t win for losing.
Yep. Temp is incredibly important for snow. It determines the type of snow and the liquid to frozen ratio. A warmer or cooler layer aloft can take the same amount of moisture and temp at the surface and turn your 6” into 2 feet. It can also take those 6” forecasts and make them a total bust of nothing. More times than not those hidden warm or cold layers are the explanation for blown snow forecasts.