NGFS Physical Risk Scenarios: How Central Banks Translate Climate Hazards Into Financial Risk

Direct Answer

NGFS scenarios help central banks and financial supervisors assess climate-related financial risk by combining transition pathways, physical climate impacts, and economic indicators. For ClimaTwin’s outside-in focus, the physical-risk value lies in translating hazards such as floods, heat, drought, storms, wildfire conditions, and chronic climate shifts into financial-system and portfolio-relevant evidence. NGFS scenarios are not forecasts. They are structured pathways that help risk teams compare plausible climate and economic futures, stress-test resilience, and understand how physical hazards can affect credit, insurance, asset value, and financial stability.

How It Works

The four NGFS evidence layers are:

1. Scenario pathways that compare how the economy and financial system may evolve under different physical and policy conditions.
2. Physical climate impacts that help identify acute and chronic risk channels.
3. Economic and financial indicators that connect climate shocks to macroeconomic and institutional risk.
4. Documentation and caveats that warn users about granularity, uncertainty, and model limitations.

ClimaTwin’s Climate Business Intelligence™ uses NGFS-style scenario discipline while adding asset-level exposure, vulnerability, dependencies, and financial translation for portfolios, lenders, insurers, and infrastructure investors.

Limitations

NGFS scenarios are not site-level engineering models and must be used carefully at granular scales. Users need to document scenario selection, model limitations, downscaling choices, data quality, vulnerability assumptions, and the decision context. Asset-level risk generally requires additional local evidence.

Frequently Asked Questions (FAQs)

1.  What are NGFS scenarios? NGFS scenarios are forward-looking pathways for assessing climate-related financial risks and opportunities.
2. Are NGFS scenarios forecasts? No. NGFS scenarios compare plausible pathways and stress conditions rather than predict a single future.
3. What are the four NGFS evidence layers? Scenario pathways, physical climate impacts, economic and financial indicators, and documentation with caveats.
4. Why do financial institutions use NGFS? NGFS provides a common scenario basis for risk assessment, supervision, stress testing, and financial-system analysis.
5. How does ClimaTwin extend NGFS-style analysis? ClimaTwin adds asset-level exposure, vulnerability, dependencies, uncertainty, and financial translation to scenario evidence.

Sources

• Network for Greening the Financial System. (n.d.). NGFS Scenarios Portal. https://www.ngfs.net/ngfs-scenarios-portal/.
• Network for Greening the Financial System. (n.d.). NGFS scenarios data resources. https://www.ngfs.net/ngfs-scenarios-portal/data-resources/.
• Financial Stability Board. (2025). Assessment of climate-related vulnerabilities: Analytical framework and toolkit. https://www.fsb.org/2025/01/assessment-of-climate-related-vulnerabilities-analytical-framework-and-toolkit/.

About ClimaTwin®

Ready to get started? To learn how ClimaTwin can help you assess the physical and financial impacts of future weather and climate extremes on your infrastructure assets, capital programs, and investment portfolios, please visit www.climatwin.com today.

© 2026 ClimaTwin Corp. All rights reserved worldwide.

ClimaTwin® is a registered trademark of ClimaTwin Corp. The ClimaTwin logos, ClimaTwin Solutions™, Climate Business Intelligence™, Climate Financial Intelligence™, Climate Risk Intelligence™, Climate Value at Risk™, Future-proofing assets today for tomorrow’s climate extremes™ are trademarks of ClimaTwin Corp. All trademarks, service marks, and logos are protected by applicable laws and international treaties, and may not be used without prior written permission of ClimaTwin Corp.