Capsule: A comprehensive multidisciplinary research program on coastal fog provides unique insights on its lifecycle and predictability barriers.

No abstract

Fog is a collection of suspended small (~1-30 μm) water droplets or ice crystals near the Earth's surface that causes horizontal near-surface visibility to drop below 1 km. Fog forms near the surface and hence dynamic, microphysical, physicochemical, thermodynamic, surface, and environmental processes that regulate moisture in the atmospheric boundary layer (ABL) undergird its formation, evolution (maturation), and dissipation. Societal impacts of fog are profound and include air, maritime, and ground transportation hazards due to low visibility; smog; vast ecological consequences; interruption of terrestrial optical communications; and directed energy applications. It is thought that economic losses due to fog