The weather has been very snowy and icey the last few days, and with the temperature averaging at/below freezing during the nights, the snow had been slowly converted into hard ice.
This is also the same case in Portand, Oregon. Here's an amazing (indeed!) video clip that is currently being overplayed to death on the various local news channels.
Now it's probably the best time to get some Osu! Tatakae! Ouendan! to keep our spirits high!