If you are college-age or younger, you might just live to see the day when hail disappears from the eastern flanks of Colorado鈥檚 Rocky Mountains. A new modeling study involving the Cooperative Institute for Research in Environmental Sciences, a joint institute of the 彩民宝典 and the National Oceanic and Atmospheric Administration, indicates hail will likely cease to fall in those locales by the year 2070, a result of rising temperatures.