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Eastern Tasmania's best August rain since 2010

Guy Dixon, Sunday August 24, 2014 - 13:26 EST

Eastern parts of Tasmania receive the heaviest August rain since 2010.

Parts of Tasmania's east coast collected some of the most significant rainfall seen in August since 2010 with a low and trough which moved over the nation's south overnight.

A small low pressure system and associated trough continued on an easterly tangent overnight triggering a band of heavy showers and thunderstorms over parts of southern Victoria, Bass Strait and northern Tasmania.

As the system pushed east, showers developed ahead of this trough over eastern parts of Australia's southern-most state within a moist northerly flow.

The rain gauge at Friendly Beach filled up to a level not seen since March as these saturated northerly winds proceeded down the east coast of Tasmania. The total of 42mm to 9am was the heaviest August rain since 2010, while nearby Bicheno recorded 21mm, the heaviest August total since 2011.

As the trough edged ever closer, a band of showers moved over inland parts of the state where Cressy received 3.6mm in just 10 minutes. The showers have continued to fall today with parts of the Central Plateau picking up the most substantial falls so far, including Liawenee which has received 3.8mm since 9am (as of 12:30pm)

The low pressure system will dissipate into a low pressure trough tomorrow, and will continue to slowly move east linking up with a separate trough lingering off the New South Wales coast to trigger widespread showers over the nations southeast.

An associated upper cold pool will also edge north over Victoria and New South Wales aiding in the potential for thunderstorm development early next week.

- Weatherzone

© Weatherzone 2014

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