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Joint Media Release
The Hon Dr Sharman Stone
Parliamentary Secretary to the Minister for the Environment and Heritage
Federal Member for Murray
&
Senator the Hon Eric Abetz
Special Minister of State
Senator for Tasmania

10 June 2004

New data for Hobart Bureau from heavens above


Upper air weather observations at Hobart will enter a new era from this week.

Dr Sharman Stone, Parliamentary Secretary with responsibility for the Australian Bureau of Meteorology said Hobart was among the first of 36 field stations across Australia to benefit from a $7 million modernisation of the Bureau of Meteorology's upper-air weather observing system.

"Every day of the year and up to four times a day, a weather balloon is released from each of these 36 stations," Dr Stone said.

"The information collected including atmospheric temperature, pressure and humidity is relayed back to the Bureau station via a small transmitter.

"This information is vital for weather forecasters. The new state of the art equipment will increase the reliability of the data and access to that data through the Bureau's computing and communications network including access to data on wind speed and direction early in the balloon's flight."

Under the present system, an aerial at the Bureau office picks up the radio signal, while radar is used to track the balloon and determine wind speed and direction. Most balloon flights last about one to two hours and ascend about 25 to 35 kilometres into the atmosphere.

Dr Stone said the new DigiCORA III system, was tailored to Bureau specifications to ensure a high standard of observations.

"One of the benefits of the new system is that it will allow the Bureau's capital-city offices to manage the system, including software upgrades, remotely. Once the roll-out is completed in the coming 12 months, it will also mean one system for the entire Bureau network," Dr Stone said.

Dr Stone praised Senator the Hon. Eric Abetz who has been a major supporter of the Bureau of Meteorology.

"Senator Abetz continues to work hard to ensure that Tasmania has access to some of the best meteorological facilities and services in the country," Dr Stone said.

Senator Abetz said the project illustrated the Bureau's strong commitment to delivering high quality meteorological services to all Australians.

"The Hobart field station is an important part of the Bureau's network and provides high quality data for day-to-day weather forecasts, warnings and long-term climate records," Senator Abetz said.

"The new system would run in parallel with its predecessor for a period of time to compare performance and ensure the integrity of the climate record."

Commonwealth of Australia