Jason Karna and Shannon Roberson

Pam and Greg Hitchman of Astoria announce the engagement of their daughter, Shannon M. Roberson of Warrenton, to Jason Karna, also of Warrenton. He is the son of Marcene Adamonis of Gearhart and Gene Karna of Portland.

The bride-to-be is a health care provider.

The prospective groom is a fisherman.

An Aug. 27 wedding is planned.