Artist Sean Flood will have an exhibit of dynamic new cityscape paintings, “Transitions,” at Kobalt Gallery at 366 Commercial St. in Provincetown, opening Friday, August 21st, and on view through September 3rd. Flood is a former graffiti artist based in New York City. The Kobalt Gallery is open Sunday through Tuesday from noon to 5 p.m. and Thursday through Saturday from noon until 8 p.m.