The water, albeit in smaller volumes, continues to flow, forming unstable layers of snow, slush and ice (see 2:08 when Gadd sinks his hooks into a piece of snow that simply crumbles away).

BBC: Daredevil duo is the first to scale Niagara Falls

In Caerphilly county, a bus carrying Abercarn Primary School pupils went off Llanfach Road, which was covered in slush and snow.

BBC: Wales snow: New snow warning after disruption

South Wales Fire and Rescue Service said the bus was travelling along a hill covered in slush and snow when the vehicle went over the verge and onto an embankment.

BBC: Abercarn Primary School bus slips down embankment

Driving conditions were difficult, although much of the snow in urban areas turned to slush.

BBC: Power restored after heavy snow

But where 5 to 10 inches of wet snow was supposed to fall on DuPont Circle, not even the slush was accumulating Wednesday afternoon, said organizer Michael Lipin.

CNN: March 6, 2013 -- Updated 2004 GMT (0404 HKT)