Dome for lightbar

The design consists of the features of shape and configuration as applied to a dome for a lightbar as illustrated in the drawings. Drawings of the design are included, in which: Fig. 1 is a perspective view of a dome for a lightbar in accordance with the present design; Fig. 2 is a front view of the dome for a lightbar of Fig. 1, the rear view being a mirror image thereof; Fig. 3 is a top view of the dome for a lightbar of Fig. 1; Fig. 4 is a right end view of the dome for a lightbar of Fig. 1; Fig. 5 is a perspective view of a variant of the dome for a lightbar showing our new design; Fig. 6 is a front view of the dome for a lightbar of Fig. 5, the rear view being a mirror image thereof; Fig. 7 is a top view, looking down at the dome for a lightbar of Fig. 5; and Fig. 8 is a right end view of the dome for a lightbar of Fig. 5.