DESCRIPTION: Saw very briefly; 2-3 seconds while sitting on front porch; traveled from back of house to front in generally WSW direction approx 240 degrees compass heading with slight downward trajectory; altitude appeared to be under 1,000 feet; velocity appeared to be subsonic; short viewing duration due to obstruction from porch roof above & large tree in front located behind house across street; appearance described as “flaming arrow;” arrowhead resembling flame of bunsen burner; brilliant bright blue flame outlined by thick layer of brilliant bright white outlined by thin layer of glowing yellow-orange; no concurrent or delayed audible acoustics; no mechanical vibration, shock or after shock sensation; no air disturbance; immediate & brief appearance of aircraft traveling in opposite direction at approx. 180 degrees opposing fireball travel; also obstructed by the aforementioned tree; immediate appearance of helicopter aircraft in S sky approx 185 degrees compass heading; date & time 27 May 2013 at 00:06 EDT.