Tap to drop a raindrop anywhere in the world and watch where it ends up
(scroll or pinch to zoom)

Visualization by Sam Learner | twitter link · email link · github link · ko-fi link

Sources: The data used in this project comes from the River Runner API, which is based on several open source projects and datasets and developed by Dave Blodgett, Kyle Onda, and Ben Webb. Learn about it here.

Code and data for this project lives here. Thank you to Mapbox for sponsoring.

This version of the app is in beta. Report any issues you experience here.