Map of vulnerable mountain snowpack (IMAGE) University of California - San Diego Caption This map shows the simulated change in snowpack disappearance date--the number of days earlier in the spring when all the winter snow melts--under one degree of warming, based on an idealized physical model. Darker shades of gray and pink show regions where the snowpack melt date is changing more rapidly and disappearing earlier. Credit Credit: NOAA Climate.gov based on data from Evan and Eisenman, 2021. Usage Restrictions with credit to NOAA Climate.gov License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.