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Adelaide sweltering through March heatwave

Ben McBurney, Tuesday March 5, 2013 - 11:51 EDT

Adelaide is presently enduring potentially its second longest March heatwave in 36 years of records, with the city possibly seeing 11 days above 30 degrees.

A slow-moving low pressure trough is allowing heat to build over South Australia. In Adelaide, the past three days have already crossed the 30-degree mark, with yesterday climbing to 35 degrees. The next eight days are also forecast to reach at least 30 degrees, which would make it the city's second longest March heatwave on record.

As well as hot days, this spell of heat is likely to be accompanied by very warm nights. Humidity will also be higher than average, making it feel up to three degrees hotter than what it actually is. However, some relief may be on the cards during the afternoons and evenings, as the high humidity combines with the trough, bringing the risk of showers and storms.

For those residents who have memories of the March 2008 heatwave, the longest March heatwave on record, this spell of heat will seem relatively mild. During this period, the city saw 15 days above 35 degrees, and 12 days above 38 degrees. However, it is still worth staying hydrated and avoiding excessive labour.

At this stage, the last hot day of this period should be next Tuesday, when a cool change moves through later in the day. This will bring much more tolerable conditions, with temperatures returning close to average.

- Weatherzone

© Weatherzone 2013

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