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General learning outcome: | SPECIFIC FIRE BEHAVIOUR:
Specific learning outcome: | Extreme fires produce violent pyro-convection.
| Topic: | The conditions for formation and behaviour of violent pyro-convective events. | |
Expert Awareness for Fire Behaviour Analysts
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There are two key requirements to look out for.
- Firstly there must be deep flaming, to allow the convection column to reach the lifting condensation level before mixing with the surrounding air.
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Secondly there must be sufficient instability for the column to continue rising once it passes the convective cap at the LCL. The cap may be passed if the additional heating on the ground moves a trace of a lifted parcel of air past it.
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