3 strobe lights with upward spotlight seen by family of 3 in York New Salem, PA.3 lights appeared to be on one craft, too high to see shape. Blinking in a strobe fashion and not in sync with each other, one red, one blue and one white. What caught our attention at first was that it had a spot light on top of it that was shining upwards lighting up the clouds above it then went out. We were driving and tried to follow it for as long as we could. 2 people were watching it while I was looking for a place to pull over. Lost sight of it behind some trees for only about 15 seconds, before we pulled over and got out of the car too look for it. The object had completely vanished from sight, and we had a clear and open view of the sky. The observers were myself, husband and daughter.