1. Climatology, Variability, and Trends in the U.S. Vapor Pressure Deficit, an Important Fire-Related Meteorological Quantity Seager, Richard; Hooks, Allison Elizabeth; Williams, A. Park; Cook, Benjamin I.; Nakamura, Jennifer A.; Henderson, Naomi L. 2015 Articles Forest firesClimatic changesWater vapor, AtmosphericAtmosphere