Table 2 A summary of the current practices for each of the layers of adaptation, gaps, and advances related to the approaches described in the “Approaches for analysing unprecedented weather” section, including the discussed case studies

From: How to stop being surprised by unprecedented weather

Adaptation layer

Current practice

Gap

Advances

Cases

Reactive

Weather prediction

Limited trust in unprecedented weather forecasts

Putting forecasts of unprecedented weather in perspective

October 2021 Nepal Floods

Scenario planning

Often designed based on experience with past events

Developing scenarios of unprecedented weather

-

Incremental

Stress testing infrastructure

May under-appreciate the risk of unprecedented weather

Stress-test systems to unprecedented events

UK water security

Disruption of food security in the Horn of Africa

Transformative

Climate-Resilient Development

Not directly supported by advances in physical climate science

Switches focus from the impacts and hazards towards the underlying development context and drivers of vulnerability

2017 Hurricanes Irma and Maria