What is radial velocity, base radial velocity and storm relative radial velocity?
The succinct definition of radial velocity is “motion toward or away from Doppler RADAR”. This radial component only considers the wind speed along the horizontal plane the RADAR is sampling and only the wind component relative to the radar. The radial velocity relative to the radar site is also called “base radial velocity”. Use base radial velocity in a situation where the winds from a storm are moving in a straight line of action such as winds associated with a squall line or gust front.
