Top: Evolution of the relative helicity computed by the volume method (Eq. (3), black curve), the helicity computed by the RFLH method (Eq. (7), red curve), and the helicity contained around the PIL (Eq. (13), blue curve). Bottom: Evolution of the current-carrying helicity computed by the volume method (Eq. (4), black curve), the respective helicity computed by the RFLH method (Eq. (10), red curve), and the current-carrying helicity contained around the PIL (Eq. (13), blue curve). The vertical purple stripes represent the time intervals around the four identified jets.