FloodGate Academy

Learn to read flood risk like a lender.

Short lessons by the author of the methodology — from raw flood maps to basis points on a loan. Watch a lesson, then try exactly what you learned in the tool. Free with registration.

7 min · in production

LESSON 1

Reading a flood map

Return periods, climate scenarios, and the one idea people get wrong: undefended hazard — why a Dutch port can show two metres of water and still be dry.

then try it: explore Rotterdam's depth curve →

9 min · in production

LESSON 2

From depth to damage

Depth-damage functions and Eq. 3: how a metre of water becomes a share of asset value, why the curve you pick matters, and what 'expected' really means.

then try it: switch damage functions on one asset →

8 min · in production

LESSON 3

From damage to basis points

The econometrics: 951 real loans, Moody's default data, and why one standard deviation of expected damage is worth 99 basis points of default probability.

then try it: read the PD panel on any asset →

Coming next: Screening a portfolioComing next: Adaptation & enforcementComing next: Reading the tear-sheet in committee

Based on Assab (2025), J. Climate Finance and Assab (2024), JRFM.