Twitter users affected by severe weather in New South Wales on Wednesday are sharing photos hashtagged with #SydneyStorm, bringing the topic to the top of the trending tweets in Australia.

In its 11:55 a.m. update, the Bureau of Meteorology warns of severe thunderstorms near Kiama, Shellharbour, waters off Dee Why Beach and the northwest parts of the Wollondilly Shire.

“These thunderstorms are moving towards the northeast. They are forecast to affect Dapto, Pt Kembla and Unanderra by 12:15 p.m. and Wollongong, Katoomba and Bulli by 12:45 pm,” the BOM update reads. Wind gusts have been recorded to be from 142 to 213 km/h in the past hours. The amount of rainfall rose to 144 mm in one hour to 10:30 a.m. at Long Island Point (just south of Nowra).

“Destructive winds, large hailstones and heavy rainfall that may lead to flash flooding are likely,” the severe weather alert adds. Read this report for more on the ongoing severe weather in NSW.

Here are some #SydneyStorm tweets with images of severe weather in Australia:

Below is a set of tips from the State Emergency Services:

Move your car under cover or away from trees.Secure or put away loose items around your house, yard and balcony.Keep clear of fallen power lines.Keep clear of creeks and storm drains.
Don't walk, ride your bike or drive through flood water.
If you are trapped by flash flooding, seek refuge in the highest available place and ring 000 if you need rescue.
Unplug computers and appliances.
Avoid using the phone during the storm.
Stay indoors away from windows, and keep children and pets indoors as well.
For emergency help in floods and storms, ring the SES (NSW and ACT) on 132 500.

Note: The BOM will issue another warning by 12:55 pm. This story will be updated then.

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