Weather News

Mild minima in northern WA, frigid in the south

Andrew Casper-Richardson, Saturday September 18, 2021 - 13:42 EST

Parts of the Kimberley region enjoyed balmy overnight conditions whilst those further south awoke to temperatures well below average.

 

Patchy cloud in a low-pressure trough lingered over the Kimberley on Friday night and into Saturday morning. This cloud limited the escape of the days warmth and allowed overnight temperatures to remain mostly three-to-five degrees above average, continuing a run of mild nights for the region. Broome only cooled to 23.6 degrees, which is 5.1 above the monthly average and the third day in a row where the minimum has remained at least five degrees above average. Argyle had the highest minimum temperature at 27.9 degrees. 

Image: Mild temperatures in the north, cold in the south. Temperatures early Saturday morning.

 

It was a vastly different story further south, especially for inland parts, where minimum temperatures were three to six degrees below average across several districts including the Central Wheatbelt, Gascoyne, Goldfields and Eucla. Southern Cross (Central Wheatbelt) dipped just below freezing to –0.1 degrees, which is 5.6 below average. Some of the largest deviations from the average were in the Goldfields where Leonora's low of 3.4 and Leinster's 4.0 degrees were 6.9 and 6.7 degrees below average respectively. Perth dodged the coldest of the conditions thanks to its proximity to the ocean, though it still cooled to 7.2 degrees, 2.4 below average. 

 

These crisp temperatures in the south were made possible by clear skies and light winds thanks to an overhead high-pressure system. This high will linger in the coming days with more cold mornings ahead. 

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