Following historic drought in 2021, reservoir levels dropped down in the Hoover Dam on the Colorado River, which gets its waters from the melting snowpack from the Rocky Mountains of Colorado and Wyoming. (pxhere.com) January 2, 2023 Scientists dig deep and find a way to accurately predict snowmelt after droughts Dana Ariel Lapides, University of California, Berkeley; Daniella Rempe, The University of Texas at Austin; David Dralle, University of California, Berkeley, and Jesse Hahm, Simon Fraser University Unprecedented droughts leave the subsurface drier than usual, affecting water supply in subsequent years.