Auckland Rainfall Emergency

Generated by convective activity associated with an Atmospheric River, heavy rainfall occurred in Auckland on 27^th January 2023. Event totals of over 250mm were widespread with over 40mm in 15 minutes at the peak of the event. Over 1300 homes were flood damaged. Infrastructure impacts included the closure of, and flooding of Auckland Airport terminal. There was limited public information throughout the event which led to significant criticism of politicians and emergency managers. The case-study provides great learnings for compound impacts, risk appetite, process, training, roles and responsibilities ,and planning for unusual, but credible natural hazard events.