From the homepage click on Radar & Maps the navigation bar and choose Radar. A national animating radar image will be displayed.
To zoom in, click a state on the map or its name above the map. To zoom in further tick "Clickable" box then click on the state map. Below the map you can change the duration, speed and dwell of the animation. A control panel on the left allows you to navigate through the animation image by image. There are also tick boxes below the map to overlay rivers, roads, district borders, towns, lightning and rainfall.