Notes on the weather for SA

Current situation

A high pressure system southwest of SA extends a ridge over much of the state, as a cold front clips the southeast early Tuesday. The high will quickly move in behind the front and maintain a ridge over SA as it moves to the east of Tasmania by Thursday. A strong cold front is then expected move into the Bight later on Thursday and move east across the rest of SA on Friday and early Saturday.

The coming week

05 Monday

Dry. Northwest to southwesterly winds in the south, tending southwest to southeasterly in the north.

06 Tuesday

Possible morning fog about the west coast. Showers about the southern agricultural area, possibly extending into the northern agricultural area, clearing by the evening. Maximum temperatures below average. Northwest to westerly winds in the south, fresh about the southeast coast and tending southwest to southerly during the day. South to southeasterly winds in the west and north, extending throughout by the evening.

07 Wednesday

Possible early morning frost about the southeast. Dry. Maximum temperatures below average, grading to above average in the southwest. Southeast to northeasterly winds, fresh in the northeast during the day.

08 Thursday

Mostly dry. Showers and thunderstorms developing in the far west from the afternoon. Thunderstorms may be severe with damaging wind gusts, large hail and heavy rainfall possible about the WA border. Maximum temperatures above average, tending near average in the northeast. Northeast to northwesterly winds, freshening about the coast and in the west during the day.

09 Friday

Showers and thunderstorms extending across much of the state, clearing from the west later. Maximum temperatures above average in the east, tending below average in the west. Northeast to northwesterly winds, ahead of a west to southwesterly change extending across the state throughout the day. Winds freshening about northern and western inland areas, and about the coast with the change.

Cumulative rainfall totals to the end of Friday: Less than 2 mm about the north and east, increasing broadly 2 to 10 mm elsewhere, with falls between 5 to 15 mm possible across the western and central agricultural areas and south of the North West Pastoral district. Isolated local falls may reach 15 to 25 mm in the southwest.