Proclamation full text: https://www.governor.wa.gov/sites/default/files/20-07%20Coro...
Gist: "Gatherings of 250 people or more for social, spiritual and recreational activities including, but not limited to, community, civic, public, leisure, faith-based, or sporting events; parades; concerts; festivals; conventions; fundraisers; and similar activities"
… in the 3-county area including Seattle, initially through March 31.