Current events

What is happening, and what we make of it.

A live view of flood and tropical cyclone alerts worldwide, and notes on the problems behind them.

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Alerts from GDACS · press coverage from GDELT (last 24 hours). Coverage counts flood stories by the country each newsroom publishes from — not where the water is. Sparse coverage usually means sparse reporting, not safety.

Writing

How we are thinking about flooding.

Perspective

The places with the least data are the places with the most flooding

Most flood modeling effort goes where the observations already are. That is understandable, and it is backwards.

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Method

Start from the decision, not the model

The required accuracy sets the method. Choosing the model first is how projects end up with a beautiful answer to the wrong question.

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Tell us what the water is doing.

Describe the decision you need to make and the deadline. We will tell you what the modeling actually needs to be — including when the answer is that you do not need us.

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