Good points , thats why historically , for a very long time , there were extremely few winter offensives . Nothing moves well , not machines , animals , or people . below zero lubricants . Your gun could freeze up and become inoperable until it gets warmed up . This was a serious problem for the Germans on the eastern front . They had a chronic shortage of cold weather lubricants , so rifle bolts , and even artillery would jam up at inopportune moments , if efforts were not made to keep them covered or warmed in some way . How to improvise lubricants could be useful . The Russians in WW2 mixed gun oil with diesel fuel , more because of shortages , but it worked . Then there is moving around , you dont know whats underneath that snow , or how deep it REALLY is in places , overall, it just plain sucks ! We had two blizzards here in Maine , between the two of them it dumped 4-5 feet of snow . Even with infrastructure geared to this climate , it was a challenge for them to keep the streets clear , lots open , etc . it just doesn’t go away on its own , you have to find a place to get rid of it . This is with everything up and running . I agree with WB’s assessment of severe conditions in a SHTF situation . In my mind , even if you were lucky enough to have an off grid cabin in a remote area , if you dont have enough wood chopped in advance before the snow hits , you are going to have a hard time of it .