I don't know if you've noticed or not, but I thought I'd post about it since I missed it all this time. Click on where it says "EARTH" and you'll find several very useful tools! You can monitor ocean currents, or overlay temperature or total precipitable moisture among other things. You can even run the clock back and see what it was three hours ago, or yesterday, or more. Lots to play with!
Also, another similar resource:
http://hint.fm/wind/Enjoy,
Herb