Six worlds of weather!
Wunderground.com has a pretty good radar map, though I prefer weather.com. Only weather.com shows the
exact location of rain. Where it's green, you have rain. Where it's not green, no rain.
Wunderground is switching to a new format, and they don't have it quite tuned up yet. When you pull the scale slider out far enough to see the whole world, it still has two clicks left:
![](http://ockhamsbungalow.com/blog35/oneworld.jpg)
When you pull it all the way out, which is easy to do by accident:
![](http://ockhamsbungalow.com/blog35/sixworlds.jpg)
Presto! It's a MercatorMercatorMercatorMercatorMercatorMercator projection.