The Long Paddock - A Queensland Government website that contains information relating to the El Nino Southern Oscillation (ENSO). It includes maps of SST's, SOI's, long term forecasts and reviews.
Private Enterprises
Weatherzone - Has a large variety of products and resources that can be accessed freely or for a small subscription fee. It also has a popular forum.
Australian Severe Weather - Michael Bath and Jimmy Deguara. Has excellent links, storm chasing reports and over 5000 photos of weather related phenomena.
Australian Weather News and Links - Laurier Williams. Has excellent updates on what has been happening with the weather across the Continent. Has a very good selection of links as well.
Australian Weather Pages - Michael Thompson. Has climate guide of Australia, storm chasing and weather photos.