As the American West warms due to climate change, wildfires are increasingly burning in higher-elevation mountains, charring the watersheds where the region’s vital snowpack accumulates. A new study has found that in the immediate aftermath of fires across the region, the snowpack disappears earlier in burned areas. This change can threaten forest health and affect the downstream farms, cities and species that rely on the snowpack for their water, according to other research. Scientists who study the effects of wildfires on the snowpack and streamflows are finding that the story is complex and nuanced. The impacts can vary greatly across the West’s diverse ecosystems and topography. Plus, each wildfire burns differently, so the severity of the blaze is another critical factor. …Published in the Sept. 17 issue of Science Advances… The research also concluded that warming temperatures due to climate change will further accelerate post-fire melting.