Refer to your best judgement or the FC instructions on jamming targets. The priority displayed here is meant only as a basic guideline for prioritizing targets on a theoretical level, actual field priority may differ depending on the circumstances.
Base Time to Warp is essentially the time needed for this ship to align and accelerate until it reaches 75% of its top speed and goes to warp. The time displayed here is the base calculated time with no account for any warp related skills, modules or any other effects.