Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Actually it would be more accurate to say Safari shuts down when I try to animate the radar on Wunderground.
 
Probably JavaScript

Sounds like the problem I reported in the troubleshooting forum; if so, disabling JavaScript will keep it from shutting down, but JavaScript is probably needed for the animation, so you probably won't be gaining much.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.