TEMPERATURE READINGS PLUNGE AFTER AUSTRALIA’S BUREAU OF METEOROLOGY ORDERS END TO ‘TAMPERING’

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“The Bureau­ of Meteorology (BoM) initially claimed the adjustments were part of its quality control procedures. But bureau chief executive Andrew Johnson later told Environment Minister Josh­ Frydenberg that investigations had found a number of cold-weather stations were not “fit for purpose” and would be replaced.”

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Aussie temperature tampering scandal: “Smart cards” filter out coldest temperatures. Full audit needed ASAP! – ‘The story changes: first it was quality control, then equipment failure, now a smart card?’

Graham Lloyd, The Australian

Recorded temperatures at the Bureau­ of Meteorology’s Thredbo Top automatic weather station have dropped below -10C in the past week, after action was taken to make the facility “fit for ­purpose”.

A record of the Thredbo Top station for 3am on Wednesday shows a temperature reading of -10.6C. This compares with the BoM’s monthly highlights for June and July, both showing a low of -9.6C.

The BoM said it had taken immed­iate action to replace the Thredbo station after concerns were raised that very low temperatures were not making it onto the official record. Controversy has dogged the bureau’s automatic weather station network since Goulburn man Lance Pigeon saw a -10.4C reading on the BoM’s website on July 2 automatically adjust to -10C, then disappear.

Later independent monitoring of the Thredbo Top station by scientist Jennifer Marohasy showed a recording of -10.6C ­vanish from the record.

BoM initially claimed the adjustments were part of its quality control procedures. But bureau chief executive Andrew Johnson later told Environment Minister Josh­ Frydenberg that investigations had found a number of cold-weather stations were not “fit for purpose” and would be replaced.

The BoM has admitted that, in addition to Goulburn and Thredbo Top, stations at Tuggeranong in the ACT, Butlers Gorge and Fingal in Tasmania and Mount Baw Baw in Victoria would be replace­d.

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