"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."
Update Aug. 7: 'Another Aussie Bureau of Meteorology (BOM) scandal: Australian climate data is being destroyed as routine practice - Historic climate data is being destroyed
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?'
Flashback - Scandal: Australian Bureau of Meteorology caught erasing cold temperatures
Flashback: Australia Weather Bureau Caught Tampering With Climate Numbers
By: Marc Morano - Climate DepotAugust 4, 2017 9:19 PM with 0 comments
TEMPERATURES PLUNGE AFTER AUSTRALIA’S BUREAU OF METEOROLOGY ORDERS FIX
By 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.
An in-house investigation that includes two independent experts has been called. The bureau said it rejected allegations aired in some media outlets that it had sought to tamper with temperature data.
It has been reported online that electronic smart cards were allegedly fitted to the BoM’s automatic weather stations, which put a limit on how low temperatures could be recorded in official weather data. The BoM declined to comment ahead of the internal review.
“The findings of a review into this matter will be made available after completion,” a BoM representative said. “We do not intend to publish detail prior to that.
“The AWS program is part of the observing systems and operations program, separate from the climate areas.”
On her website yesterday, Dr Marohasy said it was not the recording devices that were at fault. “To be clear, the problem is not with the equipment; all that needs to be done is for the smart-card readers to be removed,” Dr Marohasy said.
“So that after the automatic weather stations measure the correct temperature, this temperature can be brought forward firstly into the daily weather observation sheet and subsequently into the CDO (climate data online) dataset.”
Mr Frydenberg rejected any suggestion that he had prior knowledge of smart cards or the cause of problems which made the stations not fit for purpose. He said he only learnt of the issue with the weather station readings when it was raised by The Australian.
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