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Jennifer walking in the rain along Weyba Creek,  Noosaville, August 2014.

Skilful Monthly Rainfall Forecasts

THE accurate weather forecast of James Stagg back in June 1944 is considered crucial to the successful D-day invasion that changed the course of WWII. Should we find ourselves at war again, is there an institution or individual capable of providing an accurate short or long-term weather forecast? Dr John Abbot and I are working towards […]

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The screenshot taken soon after 5.30am on the morning of Sunday 16th July 2017.  This clearly shows the Automatic Weather Station at Thredbo recorded at temperature of -10.4 degree Celsius.

Bureau Still Limiting Cooling to Minus 10 Degrees

TWO weeks ago, in response to my queries the Australian Bureau of Meteorology acknowledged that it had put in place limits on the lowest temperature that an individual weather station could record.  So, when the automatic weather station which now operates in the town of Goulburn (not far from Canberra), recorded a measurement of minus […]

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A simple histogram of daily minimum temperatures as recorded at Goulburn airport (station number 70330) from July 1990 to yesterday.

Bureau Now Sets Strict Limits on Cooling

OVER recent years I have documented the blatant remodelling of temperature measurements through the process of homogenisation. I have explained that it is the homogenised datasets that are used to report climate change by the Australian Bureau of Meteorology and the CSIRO.   I had assumed, however, that the raw data, kept in the CDO dataset, […]

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Photograph from log book of temperature recording as made at Bourke post office in January 1909.   Photograph taken by Jennifer Marohasy at National Archives of Australia, Chester Hill Reading Room, on 26 June 2014.

Australia’s Hottest Day on Record Ever – Deleted

The last few days have been very hot across eastern Australia. The mainstream media have been reporting ‘unprecedented’ conditions. This fits a popular narrative, but its inconsistent with the original historical record. It was very hot in Australia in the late 1800s and the early years of the 1900s, particularly in outback Australia – at […]

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This chart compares the homogenised-temperature trend with a trend based on simple statistical averaging - both series are purported to represent climate variability and change for the Northern Colorado Front Range, 1900 to 2015.

Homogenisation Used to Embed Artificial Warming Trend in Colorado Temperature Record

After looking at hundreds of temperature series from different locations across Australia, I’ve come to understand that only cities show the type of warming reported by the IPCC, and other such government-funded institutions. Much of this warming is due to what is known as the Urban Heat Island (UHI) effect: bitumen, tall-buildings, air-conditioners, and fewer […]

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September rainfall in Murray Darling Basin, 1900 to 2016

Wettest September on Record in Murray Darling

FOR over a decade the Bureau of Meteorology, and CSIRO have been predicting on-going drought in the Murray Darling Basin. Hundreds of scientists have been employed –at the expense of tax payers – to run General Simulation Models all predicting the same outcome.  This forecast decline has been blamed on global-warming and has resulted in […]

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