Identify factors that should be considered in the selection of appropriate event codes. A. Observations; Local terrain; Projected public response times; State/local/tribal emergency plans; Relevant hazards. B. State/local/tribal emergency plans; Relevant hazards; Projected public response times; Previous experiences; Perception of risk/proximity. C. State/local/tribal emergency plans; Relevant hazards; Event codes specified in your application and implemented in IPAWS; Local knowledge. D. Observations; Local terrain; Previously received public feedback; Perception of risk/proximity.