Environment News Service: The normal mountain snowpack is providing Missouri River water users “a glimmer of hope” for continued recovery of water storage in the six big reservoirs, according to the latest report issued today by the U.S. Army Corps of Engineers. Given that the mountain snowpack is near normal for this time of the year, but the plains snowpack is below normal, the current forecast for runoff in 2009 is 22.3 million acre-feet, about 90 percent of average. “The snowpack is a good sign, but …