A cold front delivers the most significant September rainfall to parts of Tasmania. Late last night, showers began to develop over the southern-most state ahead of a cold front. Locations in the state's northwest saw the first drops which continued throughout the night. Lake Margaret picked up the heaviest falls state wide with a total of 42mm to 9am, while Zeehan saw 35mm and Waratah received 26mm. As the front continued on its path, the showers also spread east. As a result, the rain gauge at Warra steadily filled up recording a 24 hour total of 34mm, the heaviest September rain since 2011. Rain was not the only significant feature with this front however. The anemometer at Cape Grim recorded max wind gusts of up to 139 km/h at around 10:30pm. Mount Read also got lashed with 102 km/h wind gusts in addition to 25mm of rainfall. To add to the mayhem, thunderstorms fired up over lower parts of the Western district just after midnight before spreading to the North West before sunrise. An unstable flow is continuing to move over parts of Tasmania today, and although only a few millimetres have fallen since 9am, the West Coast has the potential to see falls in excess of 20mm. The northern flank of this cold front is also having an impact on southern parts of Victoria stimulating isolated light showers. A high pressure ridge will build in the wake of this system allowing skies to clear and winds to ease over much of the nation's southeast.