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Rob Sharpe, 28 May 2015, 3:45 AM UTC

Autumn extremes in Queensland

Autumn extremes in Queensland
The vast majority of Queensland has endured one of its warmest and driest autumns on record, but the southeast was soaked. From Cairns to Gladstone and Roma to Kowanyama rainfall has been below average, with some areas seeing less than 10mm across autumn. Temperatures were also generally a degree above the long term average, with some locations, including Townsville, having their warmest autumn on record. The standout region was from Bowen to Townsville, with total rainfall ranging from 10-25mm for the season, less than 10% of the long term average. However just a few kilometres away the grass looks a bit greener as Prosperpine and Ingham gained 136mm and 350mm respectively. Yet even this rainfall was less than half of the seasonal average. Elsewhere in the state, Mt Isa saw a paltry 5mm and Emerald a mere 20mm. In more coastal areas Cairns made 346mm and Gladstone 148mm, both well below average. The primary reason for the dry weather was stronger than usual fronts, which brought drier air into the state earlier than usual, limiting thunderstorm potential. In southeast QLD there was a different story. Generally speaking conditions were fairly dry, with fewer than usual rain days across the season. However, when it rained, it often poured. Southeast QLD saw three major periods of rainfall, with the last being the powerful east coast low at the start of May that brought flooding rain. Brisbane is about to finish the season with its wettest autumn since 1996, with 556mm, 247mm of that was amassed by the east coast low. Archerfield saw 430mm and Toowoomba gained 212mm, which were 154% of their respective autumn averages. The wetter than usual weather stretched across most of the Southeast Coast, Darling Downs/Granite Belt and southern parts of the Wide Bay/Burnett. Looking ahead to winter and spring and conditions should continue to be warmer and drier than usual across most of the state due to the El Nino. However, just like in the southeast in autumn, some parts should see some significant rainfall events. We will just have to hope those rains fall where they are needed most.
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