Prenatal virilization. In the prenatal period, virilization refers to closure of the perineum, thinning and wrinkling (rugation) of the scrotum, growth of the phallus, and closure of the urethral groove to the tip of the penis. In this context, masculinization is synonymous with virilization.
[QUOTE=Greatnorth;481595]Well, usually I wait till there's a good 3-4 foot of snow because you don't want your skis to touch the dirt/ground or whatever isn't snow. Snowmobiles are made to operate on snow and that's all they should do. Really 3-4 feet of snow until you go snowmobiling??? They open the trails around here when roughly 6-7 inches of snow are on the ground. Never had a problem running my sleds in 6 inches of snow or more.
When the air just below the cloud is cold enough that the crystals don't melt (about 30 or 31), they will reach the surface of the earth as snowflakes. When the ground is warm and the snow that touches it melts, the melting snow cools the earth and makes it possible for more falling snow to accumulate. Freezing rain falls when snow melts after dropping from a cloud and encountering warmer air. 2  Although the rain super-cools on its way down, it doesn't become ice until it touches the ground or whatever else is in its way. 3  When this cold rain falls on a frozen surface, it freezes into a solid coat or glaze of ice.