Melbourne to get once-in-four-years burst of heat

Time for the beach? Photo: Paul JeffersMelbourne is set to get one final blast of sunny weather on Tuesday before autumn really kicks in.
Nanjing Night Net

The Bureau of Meteorology is tipping a top of 29 for Tuesday, with hot and fast winds in the morning creating weather that may have many considering a trip down to St Kilda beach.

If you enjoy the beach, this is probably your last chance. It’s going to rain hard on Wednesday, and remain cold all week, according to the Bureau of Meteorology’s seven-day forecast. ” src=”http://梧桐夜网smh南京夜网419论坛/content/dam/images/g/n/y/7/y/o/image.imgtype.articleLeadwide.620×349.png/1459757081242.png” title=”” width=”100%” />

Photo: Weatherzone The mercury is going to struggle to get past 20 degrees after Tuesday, in fact.

Historically April gets less than a single hot day on average. Records stretching back to 1861 show April’s average top temperature in Melbourne is only 20 degrees, with only one day in 10 any hotter than 26.

Peter Newham, the Bureau of Meteorology’s duty forecaster, said Melbourne gets a hot day this late in the season every four years on average.

The weather is being caused by the interaction between a strong front moving east over the Bight and a high pressure system sitting between Australia and New Zealand (both indicated on the map below in blue).

Fronts and high pressure systems generate strong northerly winds, Mr Newham said. Because this was an especially strong front it was generating especially strong winds – expect them gusting at up to 40 km/h Tuesday morning. ” src=”http://梧桐夜网smh南京夜网419论坛/content/dam/images/g/n/y/8/1/t/image.imgtype.articleLeadwide.620×0.png/1459757238004.png” title=”” width=”100%” />

Photo: Bureau of Meteorology

Those winds will move east and down, dragging hot air from central Australia to Melbourne.

It’s a classic double-edged sword. The front is driving the strong winds and hot air, but when it arrives itself it will bring dumping rain (circled below in blue).

The Bureau of Meteorology is tipping up to fifteen mills of rain, quite a drenching for Melbourne on Wednesday. ” src=”http://梧桐夜网smh南京夜网419论坛/content/dam/images/g/n/y/8/1/y/image.imgtype.articleLeadwide.620×0.png/1459757246154.png” title=”” width=”100%” />

Photo: Bureau of Meteorology

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