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Australia Braces for Severe Storms and Floods
26 May
Summary
- Severe thunderstorms expected to bring heavy rain and flash floods.
- El Niño development signs indicate warmer conditions in spring.
- Significant rainfall totals predicted across eastern Australia.

Eastern and south-eastern Australia are facing the threat of severe thunderstorms capable of delivering heavy rainfall and triggering flash flooding in the upcoming days. A low-pressure system over South Australia, combined with tropical moisture streaming down the eastern seaboard, is set to cause widespread rainfalls. This forecast aligns with emerging signs of El Niño development in the tropical Pacific, which historically increases the likelihood of hotter and warmer conditions, particularly as Australia approaches spring.
Thunderstorms have already brought substantial rainfall to various regions in the 24 hours leading up to Tuesday afternoon. Severe weather warnings have been issued for parts of Tasmania for Wednesday and Thursday. Severe thunderstorms are also predicted for central western New South Wales, potentially extending towards Victoria by Thursday evening. These events are expected to include damaging winds and large hail in southern Queensland. Accumulated rainfall totals are forecast to be significant, ranging from 25-100mm in southern Queensland to 100-150mm along parts of the New South Wales coast.