Click for home pageEvent (3) Upwind edge of fire locked into break in slope

Air Observer

Photo: Stephen Wilkes, Air Observer. 148.73° -35.30° looking SW, at about 15:30 AEDST 18th January, 2003.
In this photograph taken over Blackfellows Flat, the winds are blowing from right to left and somewhat towards the camera, over a plateau. A channelling event is underway in the incised valley of the Goodradigbee River. It is filled with smoke due to the circulation system set up by the channelling event. The dense smoke seen stops at the break-in-slope, hard against the wind. This is diagnostic. Note also the intense flaming on the upwind edge of the fire.

Implications

Phenomenon Urgency Indicated Red Flag Warning
Dynamic channelling 3 6) Channelling event
Deep flaming zone ? 2) Conditions conducive to plume-driven fire

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This material arises from work carried out by the HighFire Risk Project.
Material prepared by R. McRae September 2009.