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SA first in line for wintry blast

Brett Dutschke, Tuesday October 9, 2012 - 15:44 EDT

South Australia will get first taste of a cold, showery, windy burst which will plough through southeastern states in the next few days.

The south of the state will bear the brunt of a strong cold front as it rears up from the Southern Ocean.

Wednesday will be the coldest, wettest and windiest day of the week for most of the region, including Adelaide, reminding many of winter. It may even turn out to be the coldest day since winter.

This will come as a shock to some, given winter is long gone and only last week Adelaide reached about 30 degrees.

Adelaide has a forecast maximum of 15 degrees on Wednesday, six degrees below the October average. When showers move through during the day it will cool to less than 12 degrees at times and wind will make it feel colder than 10 degrees.

Some showers will be briefly heavy and have potential to produce small hail.

There's even an outside chance of brief sleet or snow falling on Mt Lofty in the evening.

Overall, five-to-10mm of rain is likely in the Adelaide area with potential for more than 15mm, particularly in the Hills. The state's South East is also on target for five-to-15mm, but other districts look like picking up less.

During Thursday the pool of cold air will slowly head northeast, causing showers to become light in the Adelaide area and mostly clear elsewhere. Brisk southerlies will also gradually ease, gradually reducing the wind chill.

Regarding winds, gusts of up to 80km/h are possible in most areas, most likely about the coasts and hills. Kangaroo Island, southern Yorke Peninsula and Fleurieu Peninsula have the best chance for 90km/h winds, strong enough to bring down trees and power lines.

A warning to Sheep Graziers has been issued due to the threat of showers and cold winds.

- Weatherzone

© Weatherzone 2012

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