A storm packing damaging winds, heavy rainfall and large hailstones has caused flash-flooding in areas in south-east Queensland.
The Bureau of Meteorology issued a severe thunderstorm warning for parts the Moreton Bay and Someset Council regions.
A more general severe thunderstorm warning was also issued for a number of other areas around the state.
Here's a selection of photos from social media.
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© ABC 2013
01:42 EDT Parts of Sydney have been lashed by a storm on Monday afternoon which resulted in ambulance crews treating several people who were struck by lightning.