SILVER SPRING, Maryland, May 10 (TNSres) -- The National Oceanic and Atmospheric Administration issued the following news: In the thrall of a 22-year megadrought, the record snowpack that built up in southwestern Colorado was a welcome break in a string of dry winters. For a pair of NOAA scientists, part of a team conducting an intensive two-year study of how precipitation forms in the East River watershed near Crested Butte, the softening spring snows provided just a little extra challenge fo  more