WILDFIRE: LATEST LEARNINGS- v01.6

WILDFIRE: LATEST LEARNINGS

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General learning outcome:

FIRE MANAGEMENT:

Specific learning outcome:

A range of nocturnal processes must be considered: subsidence inversions, jets, thermal belt, Foehn winds.

Topic:

Issuing a Red Flag Warning regarding a subsidence inversion.

Expert Awareness for Advanced Firefighters & Fire Behaviour Analysts


Analysts need to understand that subsidence inversions typically impact terrain over 1500m ASL, and this commences around midnight and lasts for up to 12 hours. However they are currently poorly understood and may be quite different to that. They are associated with the core of large high pressure cells. This implies an association with continental air masses, thermal belts and light overnight winds.
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This website is dedicated to bringing forward the latest research findings. They are provided to allow firefighters to be made aware of critical safety issues ahead of the material being included in the national training curriculum.
Material prepared by Rick McRae for AFAC Research Dissemination Pilot Study, March 2012.