For each hazard affecting the planning area, the risk assessment must include a description of the location, extent, previous occurrences, and probability of future events.
Hazard descriptions explain which hazards are most significant and which locations of the planning area are most likely to be affected.
Plan updates should incorporate any additional hazards that have been identified and any new data that have become available, such as new flood studies.
Plan updates must include hazard events that have occurred since the last plan was developed.
