Definitions for "SWC"
Semi Wadcutter Semi chata
Semi-Wadcutter. Designation for a bullet, usually raw lead with no jacket, which has a truncated cone shape to the nose. Often used for target shooting.
she-who-clicks (refers to a character's player) (see also HWC, PWC)
Ship's Weapons Coordinator, underway watch position in charge of ships weapons in tactical data equipped ships.
Snow water content. How much liquid water is contained in a volume of solid snow (in other words, how much water would be measured if a known amount of snow was melted). Snow water content and snow water equivalent are different terms for the same parameter.
See Snow water content.