Australian Politics Forum - Longer hotter heat waves are coming

Laugh till you cry

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Longer hotter heat waves are coming
Feb 10^th, 2016 at 12:30pm

http://www.australianetworknews.com/australia-climate-scientists-warn-longer-hot...

Quote:

Climate scientist Dr. Sarah Perkins-Kirkpatrick warns Australians on longer and hotter heatwaves which will likely increase temperature up to 50 degrees Celsius.

Yahoo News Australia reported that the warning comes after Perth battled its record-breaking hot weather over the weekend. Perth is struggling through its longest run of days above 39 degrees Celsius. Currently, the highest temperature ever recorded in Australia was 50.7 Celsius in Oodnadatta South Australia in 1960.

Dr. Perkins-Kirkpatrick told Brisbane Times that the hot weather will continue as it is becoming the norm of Australia over the past 60 years.

“Those really rare heatwaves we might have only seen once every 20 years for example, might occur now once every two years. They will certainly be occurring lot more often than what they used to had climate change not occurred,” she said. Heatwaves are defined as high temperatures recorded during the day and night of three or more consecutive days.

Bureau of Meteorology Senior Climatologist Blair Trewin affirms Dr. Perkins-Kirkpatrick’s claim, saying there had been a steady increase in extreme hot weather events and a decline of extreme cold events. The hot weather has becoming more intense, particularly on the south of the continent, the scientists observed.

2015 is the fifth warmest year on record according to data released by Bureau of Meteorology, with significant heatwaves in March, October, and December.

According to Brisbane Times, heatwaves in Sydney are occurring an average of three weeks earlier. Melbourne is also copping stretches of extreme heat earlier in the summer but experiencing about the same number of heatwave days. Canberra is having twice as many heatwave days each year, although its intensity has remained the same.

The Western Australian State Emergency Management Plan (WASEMP) warns people to be cautious. “Associated with these events is the projected increase in the number of heat-related deaths and consequential impacts on community, infrastructure and services,” reminds WASEMP.

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greggerypeccary Gold Member Offline Australian Politics Posts: 152650 Gender:	Re: Longer hotter heat waves are coming Reply #1 - Feb 10^th, 2016 at 12:55pm
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perceptions_now Gold Member Offline Australian Politics Posts: 11694 Perth WA Gender:	Re: Longer hotter heat waves are coming Reply #2 - Feb 10^th, 2016 at 1:11pm greggerypeccary wrote on Feb 10^th, 2016 at 12:55pm: http://memecrunch.com/meme/DC03/meanwhile-in-perth/image.jpg YES, it has been "HOT"!!!
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Laugh till you cry Gold Member Offline Posts: 16619 In your happy place Gender:	Re: Longer hotter heat waves are coming Reply #3 - Feb 10^th, 2016 at 2:10pm
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Neferti Gold Member Offline Posts: 7965 Canberra Gender:	Re: Longer hotter heat waves are coming Reply #4 - Feb 10^th, 2016 at 2:29pm Stop whining about the HEAT. It's SUMMER! Most people have air conditioning at home, drive to work in an a/c car, sit all day in an a/c building. Then come home to a/c in the house. NOBODY says you have to work on a Building Site in 40C heat ...
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lee

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Re: Longer hotter heat waves are coming
Reply #5 - Feb 10^th, 2016 at 6:20pm

Laugh till you cry wrote on Feb 10^th, 2016 at 12:30pm:

“Those really rare heatwaves we might have only seen once every 20 years for example, Laugh till you cry wrote on Feb 10^th, 2016 at 12:30pm:

2015 is the fifth warmest year on record according to data released by Bureau of Meteorology, with significant heatwaves in March, October, and December.

might occur now once every two year

Of course it MIGHT not.

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Laugh till you cry

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Re: Longer hotter heat waves are coming
Reply #6 - Feb 10^th, 2016 at 6:38pm

lee wrote on Feb 10^th, 2016 at 6:20pm:

Laugh till you cry wrote on Feb 10^th, 2016 at 12:30pm:

“Those really rare heatwaves we might have only seen once every 20 years for example, Laugh till you cry wrote on Feb 10^th, 2016 at 12:30pm:

2015 is the fifth warmest year on record according to data released by Bureau of Meteorology, with significant heatwaves in March, October, and December.

might occur now once every two year

Of course it MIGHT not.

Please keep your cool to avoid spontaneous human combustion.

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lee

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Re: Longer hotter heat waves are coming
Reply #7 - Feb 10^th, 2016 at 6:47pm

Laugh till you cry wrote on Feb 10^th, 2016 at 6:38pm:

2015 is the fifth warmest year on record according to data released by Bureau of Meteorology, with significant heatwaves in March, October, and December.

Yeah. BoM homogenises data. We get that. According to the report into BoM they can't replicate their homogenisations. It is not a mathematical algorithm, it is a judgement call.

"I think that place should be 2.5 degrees warmer." "There done . Fixed." But it is World's Best Practice according to BoM. So that means US and UK as well use that method.

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Laugh till you cry

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Re: Longer hotter heat waves are coming
Reply #8 - Feb 10^th, 2016 at 6:57pm

lee wrote on Feb 10^th, 2016 at 6:47pm:

Laugh till you cry wrote on Feb 10^th, 2016 at 6:38pm:

2015 is the fifth warmest year on record according to data released by Bureau of Meteorology, with significant heatwaves in March, October, and December.

Yeah. BoM homogenises data. We get that. According to the report into BoM they can't replicate their homogenisations. It is not a mathematical algorithm, it is a judgement call.

"I think that place should be 2.5 degrees warmer." "There done . Fixed." But it is World's Best Practice according to BoM. So that means US and UK as well use that method.

Closet poms have an aversion to truth. It makes them hot under the collar.

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Please don't thank me. Effusive fawning and obeisance of disciples, mendicants, and foot-kissers embarrass me.

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lee

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Re: Longer hotter heat waves are coming
Reply #9 - Feb 10^th, 2016 at 7:09pm

Laugh till you cry wrote on Feb 10^th, 2016 at 6:57pm:

BoM homogenises data

'The ACORN-SAT data uses a more limited and fixed network of temporally homogenised data that is specific for estimating change over time, and particularly climate change. Temporal homogenisation refers to analyses that attempts to account for spurious (non-climate related) changes in the data.'

http://www.bom.gov.au/climate/current/events/january-heatwave-methods.shtml

'The Forum noted that the extent to which the development of the ACORN-SAT dataset from the raw data could be automated was likely to be limited, and that the process might better be described as a supervised process in which the roles of metadata and other information required some level of expertise and operator intervention. The Forum investigated the nature of the operator intervention required and the bases on which such decisions are made and concluded that very detailed instructions from the Bureau are likely to be necessary for an end-user who wishes to reproduce the ACORN-SAT findings. Some such details are provided in Centre for Australian Weather and Climate Research (CAWCR) technical reports (e.g. use of 40 best-correlated sites for adjustments, thresholds for adjustment, and so on); however, the Forum concluded that it is likely to remain the case that several choices within the adjustment process remain a matter of expert judgment and appropriate disciplinary knowledge.'

http://www.bom.gov.au/climate/change/acorn-sat/documents/2015_TAF_report.pdf

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Bobby. Gold Member Offline Australian Politics Posts: 119791 Melbourne Gender:	Re: Longer hotter heat waves are coming Reply #10 - Feb 10^th, 2016 at 7:43pm This summer hasn't been too bad in Melbourne.
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Its time

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Re: Longer hotter heat waves are coming
Reply #11 - Feb 10^th, 2016 at 9:05pm

lee wrote on Feb 10^th, 2016 at 6:47pm:

Laugh till you cry wrote on Feb 10^th, 2016 at 6:38pm:

2015 is the fifth warmest year on record according to data released by Bureau of Meteorology, with significant heatwaves in March, October, and December.

Yeah. BoM homogenises data. We get that. According to the report into BoM they can't replicate their homogenisations. It is not a mathematical algorithm, it is a judgement call.

"I think that place should be 2.5 degrees warmer." "There done . Fixed." But it is World's Best Practice according to BoM. So that means US and UK as well use that method.

Stop trying to excuse Tonys idiotic call abolishing all that investment in renewables

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lee Gold Member Offline Australian Politics Posts: 20761 Gender:	Re: Longer hotter heat waves are coming Reply #12 - Feb 10^th, 2016 at 9:31pm Its time wrote on Feb 10^th, 2016 at 9:05pm: Stop trying to excuse Tonys idiotic call abolishing all that investment in renewables Ahh, an appeal by idiocy.
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UnSubRocky Gold Member Offline Crocodile Hunter: Origins Posts: 25212 Rockhampton Gender:	Re: Longer hotter heat waves are coming Reply #13 - Feb 11^th, 2016 at 1:54am Warm humid week, followed by a week of sprinkling rain. Not too bad for the north east of Australia.
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BatteriesNotIncluded

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Re: Longer hotter heat waves are coming
Reply #14 - Feb 11^th, 2016 at 3:56pm

Neferti wrote on Feb 10^th, 2016 at 2:29pm:

Stop whining about the HEAT. It's SUMMER!

Most people have air conditioning at home, drive to work in an a/c car, sit all day in an a/c building. Then come home to a/c in the house.

NOBODY says you have to work on a Building Site in 40C heat ... Grin

An argument for eating gold: well, well, well... interesting Roll Eyes

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