For filmmaker Cole Webley, growing up near the Gorge Amphitheatre in Eastern Washington was a key part of an upbringing that shaped him into the man and filmmaker he is now.  While he currently lives in Utah, he recalls fondly coming of age in rural Washington and going on road trips around the Evergreen state. “The Gorge Amphitheatre lived in the shadow of Quincy, Washington, as we liked to say,” Webley playfully recalled. “It was great, a small, tiny, tiny town. We always called you guys ‘coasties’ whenever we ran into people from Seattle that would come over and vacation in Crescent Bar, (Grant County).” Webley’s feature debut, the shattering Utah-shot drama “Omaha,” is a film of both tiny towns and road trips that resembles much of his own life. The film, which premiered back at last year’s Sundance and opens May 8 at the Tasveer Film Center, centers on a family: an unnamed dad, his two children, Charlie (Wyatt Solis) and Ella (Molly Bell Wright), and their scruffy dog.…