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Hotter winds drying out SA

Brett Dutschke, Monday October 29, 2012 - 16:11 EDT

Northerly winds are gaining heat in SA, accelerating the drying out of gardens, parks and crops, but some welcome rain is just around the corner.

On Monday afternoon humidity dropped to 10-to-15 percent and the temperature reached 30 degrees in most districts, including Adelaide.

This has added to the drying out of gardens, parks and crops, which have suffered this spring due to a lack of rain. Most of the state has had less than half its average rainfall so far this spring.

Loxton in the Riverland has only had 11mm so far, 43mm short of the average for September and October.

Thankfully, northerlies have not been very strong so far, generally less than 30km/h on Monday.

In the far west of the state northerlies gusted to 55km/h in Nullarbor, resulting in humidity of only five percent with help from 35-degree heat.

The heat and dry winds look like reaching a peak on Tuesday, just ahead of a cooler change, although northerlies should again stay less than 30km/h in most areas.

Tuesday looks like being the hottest day since summer for some inland areas, including Minnipa, Kimba, Wudinna, Cleve, Snowtown, Loxton, Lameroo and Renmark with temperatures reaching the mid-to-high thirties.

Amongst the hottest in the state will be Minnipa and Wudinna, where it should reach 38 degrees.

Adelaide is likely to have its hottest day since April with a top of near 33 degrees.

The cooler change will cross most of the state during Wednesday and bring a few showers and the odd thunderstorm, but it is unlikely to save gardens, parks and crops. Most will gain well under five millimetres of rain from this.

Over the weekend, a developing low pressure trough should bring another round of showers, although again, bringing generally less than five millimetres.

The good news for those desperate for rain is that there are signs of a stronger system arriving next week, which has potential to deliver moderate falls with help from moisture coming in from the Indian Ocean. It is too early to tell how much rain, but it looks like being the best rain seen in several weeks.

- Weatherzone

© Weatherzone 2012

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