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Finally, rain for SA

Ashleigh Madden, Wednesday May 29, 2024 - 15:36 AEST

A cold front is set to deliver long-awaited rain to SA in the next 48 hours as it swiftly sweeps across the state.

The image below shows a thick cloud band, with some rain entering the far west of SA on Wednesday afternoon.

Image: Himawari-9 satellite image at 11:10am AEST on Wednesday, May 29

This cold front is interacting with tropical moisture which has originated from the Indian Ocean off the Pilbara coast.

The rain associated with this cold front will begin in the west of the state this afternoon and evening and will move east over the next 48 hours.

The map below shows one computer model’s rain forecast in the next two days, with widespread falls of 5 to 15 millimetres and isolated areas of 20-50 millimetres particularly in the state’s northeast and parts of the Eyre Peninsula.

Image: 2-day accumulated rainfall to 3:30pm Friday, May 31, according to Access-G

This rainband will move quick with most of the rain clearing the east on Thursday night into Friday morning.

This rain is welcome with large parts of SA seeing a very dry April, which is usually a wet month for the state.

Image: SA rainfall deciles for April 2024. Source: Bureau of Meteorology.

Some areas in the northwest saw the lowest April rainfall on record, with predominant high pressure forcing rain bearing systems south.

While the rain band will clear the east of SA by Friday, showers will continue to stream into the south of the state into Saturday before clearing Sunday.

This cold front will also cause temperatures to plummet on Friday, a day ahead of winter officially beginning. Winds also could reach damaging strength over southern parts of the state in the next 48 hours. Please keep an eye out for the latest warnings here.

- Weatherzone

© Weatherzone 2024

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