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2007.139: Unusual phenomena in an extreme bushfire

2007.139: J.W. Dold, R.O. Weber, M. Gill, R. McRae and N. Cooper (2005) Unusual phenomena in an extreme bushfire. In: Proceedings of the 5th Asia Pacific Conference on Combustion, 17-20 July 2005, Adelaide.

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Abstract

Fires burning to the west of Canberra on 18th January 2003 generated a series of cumulonimbus, or pyrocumulus, clouds that may have exacerbated windspeeds as they approached suburban Canberra. Powerful whirlwinds were generated, at least one of which might have been a genuine tornado. In places, fires are reported to have emerged with an intensity that appeared unsustainable by the local vegetation. This suggests that pyrolysed gases might have been able to escape from the incomplete combustion at the fire front in sufficient concentration to ignite and burn elsewhere.

Item Type:Conference or Workshop Item (Paper)
Subjects:MSC 2000 > 00 General
MIMS number:2007.139
Deposited By:Mrs Louise Healey
Deposited On:14 November 2007

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