Rapid melts across the U.S. West have caused snowpack to disappear up to four weeks early in some areas — wreaking potential havoc on the region's water supply, federal meteorologists warned Thursday.

These conditions have particularly affected parts of Utah, Colorado and New Mexico, causing some basins to shift from above-average snowpack to "snow drought," according to an update from the National Integrated Drought Information System (NIDIS).

That........

© The Hill