[That voice sounds awfully familiar. Did James Earl Jones join the Travelers...?]

They're not precisely premonitions. They're of the future, but they're always quite literal. I haven't ever seen anything that wasn't exactly a picture of what may happen. What I see can usually be prevented, but I haven't the faintest idea how we might prevent that.

As for friend or foe... I can't actually say. There aren't any feelings associated with it. It looks unfriendly, but looks have been known to be deceiving.