plural of red sprite

(astronomy, meteorology) an upper atmospheric optical phenomena associated with thunderstorms, diffuse disk shaped glows that precede sprites and propagate downward

(astronomy, meteorology) an upper atmospheric optical phenomena associated with thunderstorms, large but weak luminous flashes that appear directly above an active thunderstorm system and are coincident with powerful positive cloud-to-ground lightning strokes

plural of sprite halo

plural of sprite halo