article_snippet.sent: According to Mr Grose, a large storm with an East Coast Low have always occurred within Australia, passing through every few years .
article_snippet.sent: According to Research Scientist Michael Grose, Saturday's storm was the result of an East Coast Low, which is also known as an extratropical cyclone.
article_snippet.sent: This type of storm has always occurred in Australia, passing through every few years, however changes to the frequency and intensity are possible due to climate change. '
article_snippet.sent: An unstable air mass over the top of New South Wales is understood to have generated the east-moving storm.