Surge

Surge means a sudden transient rush or flood, and may refer to:

==Science== Storm surge, the onshore flow of water associated with a low-pressure weather system Surge (glacier), a short-lived event where a glacier can move up to velocities 100 times faster than normal Pyroclastic surge, the fluidised mass of turbulent gas and rock fragments ejected during some volcanic eruptions Characteristic impedance, also known as "surge impedance" in electrical engineering Voltage surge, Transient increase of voltage in electrical circuits Compressor stall, also known as "compressor surge", in aviation Surge in compressors in industrial compressors Hydraulic surge in liquid pipes; also called pressure surge and water hammer (see surge control) Surge (translational motion), one of the translational degrees of freedom of any stiff body (for example a vehicle), describing motion along the longitudinal axis (forward or backwards) Surge (waves), transient or periodic motion in the direction of propagation, specially of a breaking wave or surf Terminal lucidity, also known as "the surge" in medicine, where a patient regains significant consciousness and energy immediately preceding their death