Weather

Seasonal climate outlook Jun-Aug 2018

Sheep Central May 31, 2018

Click to watch four minute video presentation of the rainfall and temperature forecast for June to Aug 2018.

 

Jun-Aug 2018 rainfall outlook:

Drier winter likely for southeast quarter of mainland Australia

Following a dry autumn for southern Australia, winter is also likely to be drier than average in the southeast mainland of Australia, extending into southern Queensland and across SA. WA’s Gascoyne region is also likely to be drier than average. Conversely, eastern Tasmania is slightly more likely to be wetter than average.

June is also likely to be drier than average in the southeast mainland, extending across much of central and western parts of Australia. Chances of a drier June are greater than 80% for northern Victoria, southern and western NSW, and most of SA.

Historical outlook accuracy for winter is moderate over eastern parts of Queensland and NSW, the southern half of WA, western Tasmania and parts of the NT. Elsewhere, accuracy is low to very low. See map for more detail.

Chance of exceeding 50mm for June-Aug:

June 2018 rainfall outlook:

 

July 2018 rainfall outlook:

Warmer than average winter likely for most of Australia

Winter days and nights are likely to be warmer than average for most of Australia, except parts of the far north. Warm winter days are very likely in the southeast, with chances greater than 80% over NSW, Victoria, Tasmania and eastern SA.
Historical accuracy for winter maximum temperatures is moderate to high for northern and eastern Australia, while accuracy is low to very low in the southern two-thirds of WA, and western and southern SA. Minimum temperature accuracy during winter is generally moderate in most regions.

Minimum temperature outlook:

 

Maximum temperature outlook:

 

Source: Bureau of Meteorology

 

Comparison – previous forecast versus actual rainfall

Maps below compare BOM’s rainfall forecast for February 2018 to April 2018, issued in January 2018, with actual rainfall deciles recorded over the Feb-April 2018 period.

 

FORECAST MEDIAN RAINFALL Feb-April 2018:

 

RAINFALL DECILES RECORDED FEB-APRIL 2018:

 

Scroll between images below:

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