Climate Lab is a Seattle Times initiative that explores the effects of climate change in the Pacific Northwest and beyond. The project is funded in part by The Bullitt Foundation, CO2 Foundation, Jim and Birte Falconer, Mike and Becky Hughes, Henry M. Jackson Foundation, Martin-Fabert Foundation, Craig McKibben and Sarah Merner, Mary Snapp and Spencer Frazer, University of Washington, Walker Family Foundation and Kristi and Tom Weir, and its fiscal sponsor is the Seattle Foundation. Washington is heading into new and uncertain territory this summer as dwindling winter snowpack melts fast, giving way to the state’s unprecedented fourth drought emergency in a row. To understand this burgeoning water crisis and find solutions, state officials must first understand the scope of the problem. So on Wednesday, Gov.…