Event (14) Cloud forms while convection column still resisting mixing.

Air Observer or Field Observer

Photo: NSW NPWS from Long Plain, Kosciuszko National Park. 148.7° -35.7°, looking E at about 14:00 AEDST 18th January 2003.

This photo shows a major pyro-Cu forming in the plume on the southern edge of the Stockyard Fire. A smoke ring is visible at the LCL, and smoke below that is dark coloured and dense. While the smoke plume is clearly wind-driven, the pyro-Cu exhibits strong vertical development above that.

Implications

Phenomenon	Urgency	Indicated Red Flag Warning
Violent Pyro-convection	2	1) 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.