yes, it’s day 5 of the national level exercise…

fed’s 8-day terror drill to test disaster preparedness
from seattle times: This drill, one of the largest emergency simulations ever planned in the Northwest, will center on three fictional events in Washington and Oregon. The first is a simulation of a terrorist attack on downtown Seattle… The second is a release of toxic chemicals on May 5 at the Umatilla Chemical Depot in Oregon. And the third is an explosion of a chemical tanker truck on May 6 in Whatcom County.

portland va will participate in natl level exercise
from salem news: The Portland VA Medical Center is participating in the National Level Exercise 2 – 08 (NLE2- 08) as the Federal Coordinating Center for the National Disaster Medical Center on Tuesday, May 6th. The Portland exercise will be part of a multiple exercise event in various parts of the country that will not specifically affect the Portland area, but will impact the national level response.

related: national level exercise: 8 straight days of terror drills