Contrary to popular belief it is not in the spokes that the use of the wheel hinge, but it's the hub that the spokes upon which converge that creates the usefulness of the wheel, the spokes give it the strength it needs to cary the wight of it’s burden, now counterwise to this notion a lump of snow cannot be melted instantaneously. There is a certain limit of time in less than which no amount of heat can melt the snow. On the contrary the greater the heat the more solidified the remaining snow becomes. now this might not be neither here nor their, but it's right in the middle (the centre of the hub upon which the spokes converge)