Posts tagged ‘heatwave’

Climate signal worsens for January extreme heat while heatwave ends Summer

The climate signal in Australia’s January heat has increased from around 15-fold in 2013 to 50-fold in 2019, according to preliminary analysis of summer temperature extremes.

Sophie Lewis is a climate researcher who was involved in an important climate attribution study that determined the angry summer of 2013 was influenced by climate change. Her preliminary research for January temperatures in 2019 shows a much larger climate signal.
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February 28, 2019 at 10:19 am Leave a comment

Heatwave building over Christmas for Central and South-Eastern Australia

Heatwave forecast for 27-29 December 2018

The Bureau of Meteorology shows a heatwave building through the week over Christmas. The forecast is for severe and extreme heatwave impacts particularly Thursday 27 December to Saturday 29 December.

Melbourne might miss some of the impact of this with perhaps a day or two over 35 degrees + temperatures being south of the divide with some respite with cool nights from the warm days.
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December 23, 2018 at 8:52 pm Leave a comment

Study: 50 degree extreme heat days possible in Melbourne

Climate Emergency

Yes, heatwaves and extreme heat events are going to get worse for many years, even if we do everything possible to reduce emissions. Week long heatwaves, and extreme heat events with temperatures over 50 degrees Celsius may be seen in a decade or so in Sydney and Melbourne.

That is the inertia in the climate system. In the meantime we need to rapidly increase renewables while making energy savings through energy efficiency, and cutting emissions particularly from the electricity generation sector.
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January 20, 2018 at 2:17 pm 2 comments

Summer time and heatwave management shows some cracks

SE Australian Heatwave

SE Australian Heatwave

Melbourne sweltered through another heatwave, the first of 2017. Hope everyone survived the heat.

Temperature at Melbourne (Olympic Park) hit 36.1C at 3.30pm on Saturday. Of far greater concern, the overnight minimum temperature hovered at around 30C dipping down to 28.4C at 1.30am as the low point before rising to 30C at 9am Sunday. By early afternoon a cool change had moved through dropping temperatures to the mid 20s.

High night time temperatures disturb sleep and reduce physiological recovery for the next day. Night time is also when the Urban Heat Island effect is most pronounced as there is less atmospheric mixing, and zero vegetation transpiration to cool things down, unless there are stronger winds. The Bureau of Meteorology labelled the night as ‘oppressive’ citing both the higher than normal minimum temperature and higher humidity.
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January 8, 2017 at 9:05 pm 2 comments

Hot Christmas expected for Melbourne during SE Australia heatwave

Christmas heatwave

Christmas heatwave

The Bureau of Meteorology are predicting a heatwave across south east Australia towards the end of this week. (See BOM heatwave Service) Maximum Temperature for Christmas day in Melbourne is predicted to be 35C. From Christmas Eve to Wednesday 28 December maximum temperatures are forecast to be above 30C with some warm nights with the temperature going down to 20-25C minimum.

Melbourne Forecast:
Friday 23 December: Min 13 Max 29 Sunny
Saturday 24 December: Min 18 Max 31 Sunny
Sunday 25 December: Min 19 Max 35 Sunny
Monday 26 December: Min 24 Max 31 Becoming cloudy
Tuesday 27 December: Min 19 Max 35 Cloudy
Wednesday 28 December Min 25 Max 35 Cloudy
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December 20, 2016 at 7:42 pm Leave a comment

Consultation on Urban Heat Island effect Action Plan in Moreland

Moreland UHI Thermal imaging 14 January 2014 10am

Moreland UHI Thermal imaging 14 January 2014 10am


Moreland Council have been working on developing a policy on mitigating the urban heat island effect. This is when temperatures warm up much more in urban areas due to all the buildings and roads, than rural areas. Climate change is causing temperatures to rise, and also causing earlier and more intense heat waves to occurr. Climate change also amplifies the urban heat island effect.

Moderation of urban heat island effect temperatures by even a few degrees can reduce substantial health impacts and improve comfort for residents in extreme heat conditions. Every year hundreds of ambulance callouts are made for people suffering heat related medical conditions. More people die during extreme heat events than for any other disaster, including bushfires. A 2014 report found that Melbourne, of all Australia’s cities, had the highest annual average number of heat-related deaths, with about 200 a year, according to the Age.

Research has shown that Moreland has a high social vulnerability index to extreme heat already, based upon demographic and social factors.

Moreland Council is conducting a community consultation in regard to the draft Urban Heat Island effect action plan on Tuesday 22 March 2016, 6 pm – 8 pm at Coburg Town Hall foyer, 90 Bell Street, Coburg. You can Register your attendance and download and read the draft plan. The draft action plan was approved for community consultation at Council’s February 2016 meeting with the intention of formal presentation of the final draft in April 2016 followed by formal endorsement in June 2016.
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March 20, 2016 at 9:56 pm 2 comments

Expert statement on extreme heat and health

20160306-heathealth-expert-statementLast week I attended the release and launch of the Climate Council’s latest report of health impacts of extreme heatwaves. Climate change and the urban heat island effect result in increased frequency and intensity of extreme heat events. They are silent killers especially affecting those most vulnerable. Our political leaders need to heed the advice of the experts involved in this Climate Council report on heat health (PDF 4.2MB). They issued a concise statement calling for action (reproduced in full below).
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March 6, 2016 at 2:12 pm 2 comments

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