Can they explain the 1851 extreme heat wonder what the Co2 levels were back then?
In The Australian Summer, Extreme Weather Is Becoming Normal
It's not even Christmas and already we are seeing signs of extreme weather conditions in Sydney, Melbourne and other parts of eastern Australia.
Scientists tell us extreme hot weather will become even more frequent and severe in Australia in the coming decades as greenhouse gases continue to accumulate in the atmosphere from the burning of fossil fuels.
An increasing number of
studies attribute periods of extreme heat around the world to increasing greenhouse pollution. In Australia, days of extreme heat increased markedly towards the end of the 20th century. In the first decade-and-a-half of this century the trend has continued -- and accelerated
http://www.huffingtonpost.com.au/suzanne-harter/in-the-australian-summer-_b_8832024.html
BUSHFIRE - BLACK THURSDAY, VICTORIA 1851
The Victorian bushfire known as 'Black Thursday' occurred on 6 February 1851, though fires had been burning for some weeks, At 11am in Melbourne the temperature was 47C in the shade with a hot wind blowing from the NNW.
Fires raged out of control from Barwon Heads, Victoria, to Mount Gambier, South Australia, while the smoke haze spread as far as Tasmania. Approximately 12 people died and 5 million hectares – approximately a quarter of the state of Victoria - was burnt.
Losses included one million sheep and thousands of cattle with many properties and communities destroyed. The fire affected the Wimmera, Portland, Gippsland, Plenty Ranges, Westernport, Dandenong and Heidelberg with extensive damage in Victoria’s Port Phillip district.
INFORMATION SOURCES
https://www.emknowledge.gov.au/resource/282/1851/bushfire---black-thursday-victoria-1851