San Francisco Bay Area wind visualization

This applet uses a particle system to visualize wind patterns in the San Francisco Bay Area, using observed wind data and a computed vector field based on these data.

The applet here is based on data from July 1999, but you can find a current animation at When that site is down you might also try the page at

The source code for the applet is available under the terms of the GPL.

You can pause and restart the animation with a mouse click.

This page is part of
All content © 1996-2008 Nick Thompson unless noted otherwise.