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Windy change to spark storms on Wednesday

Ben Domensino, Tuesday October 9, 2018 - 15:14 EDT

A blustery change will sweep over southeastern Australia during the next 24 hours, dropping temperatures in multiple states and triggering thunderstorms in some areas.

A cold front passing over Tasmania on Tuesday will progress further north over Victoria and NSW during Tuesday night and Wednesday. A strong high pressure system will move into the Bight in the wake of this front, sending a surge of brisk southerly winds across the nation's southeast.

A severe weather warning has been issued for damaging winds in some coastal and elevated areas of Victoria for Wednesday, mainly during the morning.

Parts of Melbourne, Sydney and Adelaide are forecast to experience average wind speeds of up to 40km/h on Wednesday, with stronger gusts likely. Some southern and hillside suburbs of Adelaide may experience stronger winds averaging to around 50km/h on Wednesday morning, due to the funnelling effect of the southeasterly winds as they pass through the nearby hills.

After a dry and mild day in Sydney on Tuesday, with temperatures reaching the mid-twenties in most suburbs, showers and cooler air will return on Wednesday with the southerly change. The city's forecast top of 17 degrees is five below average for this time of year.

The southerly change will also help trigger thunderstorms in parts of central and northeast NSW as it moves north during Wednesday afternoon. This will be part of a widespread storm outbreak across large areas of eastern, northern and western Australia on Wednesday, thanks to a number of low pressure troughs draped across the country.

Visit http://www.weatherzone.com.au/warnings.jsp for the latest severe weather and thunderstorm warnings.

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