Australia -- South Australia Weather Update

MELBOURNE - Dec 13/11 - SNS -- The current forecast for the state of South Australia was released by Australia's Bureau of Meteorology.

Weather Situation
A high pressure cell lies to the south of the Bight, embedded within a ridge of high pressure which extends over waters to the south of the continent. The high will move very slowly eastwards to be centred over the Tasman sea on Saturday. A trough of low pressure over Western Australia will also move slowly eastwards, reaching the western border early Friday, with a low forming along the trough, which will then move southeastwards to be centred near southern coasts early Sunday.
Forecast for the rest of WednesdayPatchy light rain extending over western parts, to reach about Streaky Bay to Oodnadatta later. The chance of isolated thunderstorms in the northwest. Fine over the remainder with increasing high cloud. Mild in the south grading to warm in the north. Moderate southeasterly winds, fresh at times near coasts and ranges, tending northeasterly in the west.Thursday 15 DecemberPatchy light rain extending further eastwards to areas west of about Woomera. Isolated thunderstorms northwest of about Coober Pedy. Fine and partly cloudy over the remainder. Mild to warm in the south grading to hot in the far north. Light to moderate southeast to northeast winds, fresh at times near the coasts and ranges.Friday 16 DecemberPatchy rain and the chance of thunderstorms gradually extending to areas northwest of about Kingscote to Broken Hill, increasing to areas of rain and isolated thunderstorms west of Streaky Bay to Coober Pedy. Mostly warm to hot with moderate east to northeast winds shifting milder southwesterly over the far west. Fine and partly cloudy over the remainder.Saturday 17 December
Areas of rain and isolated thunderstorms gradually contracting eastwards later to be confined to eastern districts later in the evening. Isolated showers persisting over the agricultural area and West Coast district following the rain. Mostly mild to warm with moderate to fresh northeast to north winds, ahead of a southwesterly change in the west, extending eastwards to reach central districts late evening.
Cumulative rainfall totals from Wednesday morning through to midnight Saturday are expected to be 2 to 10 mm, increasing to 10 to 20 mm over the agricultural area and west of about Ceduna to Coober Pedy, with isolated falls of 20 to 40 mm possible with thunderstorms. Most of this rainfall is expected later Friday or Saturday.
Sunday until TuesdayAreas of rain and isolated thunderstorms in the east, contracting southeastwards, clearing during the afternoon. Isolated showers over the agricultural area, contracting to the southern agricultural area on Monday and to southern coasts on Tuesday. Winds becoming moderate to fresh southwest to southeast throughout by early Monday. Generally mild to warm days.The next routine forecast will be issued at 4:30 pm CDT Wednesday.Product IDS10033
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This page was created at 04:45 on Wednesday 14 December 2011 (GMT)
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