February 2007 North American blizzard Due to the three-dimensional nature of the atmosphere, warm air was poised to overtake the cold air closer to the ground, causing precipitation to melt, then refreeze as either sleet or freezing rain. As temperatures hovered around freezing on the southern edge of the storm track, light snow accompanied freezing rain and sleet. The freezing rain coated all surfaces with thick layers of ice, including power lines and tree limbs which break under the additional weight. Some locations in the Mid-Atlantic received several inches of sleet. Four inches (100 mm) of sleet caused travel difficulties and hampered cleanup efforts in
2005 United Kingdom snow events North Yorkshire received 20 cm of snow over high ground, whilst the snow caused huge tailbacks on the A1 between Alnwick and Berwick. The snow showers petered later on the 29th as outbreaks of rain, sleet and hill snow moved into western areas. On Friday 30 December, a band of heavy rain pushed eastwards, with heavy snow on the leading edge. This brought several hours of snow followed by rain, where 20 cm fell in some parts of Yorkshire, with snowdrifts of 1 metre reported. The snow caused hundreds of drivers to be stranded on the A1079 during the late