Puget Sound Convergence Zone Puget Sound Convergence Zone The Puget Sound Convergence Zone (PSCZ) is a meteorological phenomenon that occurs over Puget Sound in the U.S. state of Washington. It is formed when the large-scale air flow splits around the Olympic Mountains and then converges over Puget Sound. This convergence zone generally occurs between north Seattle and Everett and can cause updrafts and convection, which leads to a narrow band of precipitation. A second, weaker convergence zone can occur between approximately Victoria, British Columbia, and Bellingham, Washington, over the San Juan Islands, as a result of southwesterly air blowing from the Strait of Juan
South Puget Sound shelter whale calves. Southern resident killer whales (orcas) have been reported as far south as Eld Inlet. Smaller species include Dall's porpoise (Phocoenoides Dalli), harbor seals (Phoca Vitulina) and the Pacific harbor porpoise (Phocoena phocoena). A single sea otter was sighted in the South Sound in 2012. South Puget Sound South Puget Sound is the southern reaches of Puget Sound in Southwest Washington, in the United States' Pacific Northwest. It is one of five major basins encompassing the entire Sound, and the shallowest basin, with a mean depth of . Exact definitions of the region vary: the state's Department of