Definitions for "Cut-off low"
cold low which has become displaced and is on the equatorward side of the jet stream. It frequently occurs during the spring and is often located over the southwestern United States and along the northwestern coast of Africa.
a storm system that the jet stream has left behind by disconnecting the steering currents which usually keeps these storms moving along at a fair speed
A cold low which has become displaced out of the basic westerly current and lies to the south of the current.