Ron,
I spent three years in North Dakota back in the early '60s and I can remember many "horizontal" snow storms. Actually total white out blizzards. The weather folks would often assure us that it really wasn't snowing in ND, but that the snow was falling in Montana and only using our 60 mph wind to get to Minnesota. Sure enough, it would be headed back west by the next day or week. Total accumulation in Minot, ND, zero. I'm sure you've seen the same. Every fall, farmers would string a cable from their back door to the barn door to hold on to so they wouldn't wander off in a white out. Invariably one would get lost anyway and be found dead a few feet, or a few hundred feet, off course.
PS.. we had twelve flakes (snow flakes) in NC this morning. lou