Likelihood of serious harm as defined in RCW 70.96B.010 means:

(1) A substantial risk that:

(a) Physical harm will be inflicted by a person upon his or her own person, as evidenced by threats or attempts to commit suicide, or inflict physical harm on oneself;

(b) Physical harm will be inflicted by a person upon another, as evidenced by behavior that has caused such harm or that places another person or persons in reasonable fear of sustaining such harm; or

(c) Physical harm will be inflicted by a person upon the property of others, as evidenced by behavior that has caused substantial loss or damage to the property of others; or

(2) The person has threatened the physical safety of another and has a history of one or more violent acts.