The first surge of winter cold has just come south to the continents of the northern hemisphere. After a warm spell of many weeks, a drop of 10 to 20 degrees Celsius happened virtually overnight.
Heavy snow came to northern Japan, beating a 62-year-old November snowfall record in Sapporo.
Alpine skiers in Europe enjoyed the early boost to the downhill season, but the unwelcome cold further east simply made things miserable for the refugees en route from the Mediterranean.
Traffic-stopping blizzards in the US brought arctic scenes to the High Plains and a wintry outlook for many during this Thanksgiving weekend.