A <a href="https://en.wikipedia.org/wiki/1999_Sydney_hailstorm" id="mwAV0" rel="mw:WikiLink" title="1999 Sydney hailstorm">severe hailstorm</a> strikes <a href="https://en.wikipedia.org/wiki/Sydney" id="mwAV4" rel="mw:WikiLink" title="Sydney">Sydney</a>, Australia causing <a href="https://en.wikipedia.org/wiki/Australian_dollar" id="mwAV8" rel="mw:WikiLink" title="Australian dollar">A$</a>2.3<span id="mwAWA" typeof="mw:Entity"> </span>billion in insured damages, the most costly natural disaster in Australian history.