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Risk of bushfire ConsequencesLikelihood Natural Values Forestry and Agricultural Values Constructed Values Ignition Potential Suppression capabilities.

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Presentation on theme: "Risk of bushfire ConsequencesLikelihood Natural Values Forestry and Agricultural Values Constructed Values Ignition Potential Suppression capabilities."— Presentation transcript:

1 Risk of bushfire ConsequencesLikelihood Natural Values Forestry and Agricultural Values Constructed Values Ignition Potential Suppression capabilities Fire Behaviour Potential

2 Mt Nelson and surrounds

3 Risk = consequences x likelihood Mt Nelson Mt WellingtonHobart

4 Risk of bushfire ConsequencesLikelihood Natural Values Forestry and Agricultural Values Constructed Values Ignition Potential Suppression capabilities Fire Behaviour Potential

5 Consequences Mt Nelson

6 Risk of Bushfire ConsequencesLikelihood Natural Values Forestry and Agricultural Values Constructed Values Ignition Potential Suppression capabilities Fire Behaviour Potential Flora Fauna Geo-morphic Water catchment Ramsar sites

7 Natural Values Mt Nelson

8 Risk of Bushfire ConsequencesLikelihood Natural Values Forestry and Agricultural Values Constructed Values Ignition Potential Suppression capabilities Fire Behaviour Potential Production Forest Research Monitoring Agriculture Production

9 Forest and Agriculture Values Mt Nelson

10 Risk of Bushfire ConsequencesLikelihood Natural Values Forestry and Agricultural Values Constructed Values Ignition Potential Suppression capabilities Fire Behaviour Potential PWS-IMS Neighbour Wildland Urban Interface (high life risk (schools, hospitals), multi-occupancy, business, single occupancy) Infrastructure (critical (eg. high tension powerlines), burnable / replaceable) Heritage Buildings Non-burnable

11 Constructed values Mt Nelson

12 Risk of Bushfire ConsequencesLikelihood Natural Values Forestry and Agricultural Values Constructed Values Ignition Potential Suppression capabilities Fire Behaviour Potential

13 Likelihood Mt Nelson

14 Risk of Bushfire ConsequencesLikelihood Natural Values Forestry and Agricultural Values Constructed Values Ignition Potential Suppression capabilities Fire Behaviour Potential Historical Fire Records Lightening Probability Bureau of Meteorology (BOM) observations

15 Ignition Potential Mt Nelson

16 Risk of Bushfire ConsequencesLikelihood Natural Values Forestry and Agricultural Values Constructed Values Ignition Potential Suppression capabilities Fire Behaviour Potential Detection capabilities (Fire towers, spotter flights, commercial routes) Ground Attack Coverage (Parks and Wildlife Services bases, Tasmanian Fire Service Brigade bases) Rotary Wing attack coverage (water buckets)

17 Suppression Capacity Mt Nelson

18 Detection Mt Nelson

19 Risk of Bushfire ConsequencesLikelihood Natural Values Forestry and Agricultural Values Constructed Values Ignition Potential Suppression capabilities Fire Behaviour Potential Head Fire Intensity (90 Weather percentile - extreme weather events, fuel group, rate of spread.) Fuel Flammability grid (13 veg types) Slope factor grid

20 Fire Behaviour Mt Nelson

21 Flammability of vegetation Dry Sclerophyll Bushland Alpine Heath Wet rainforest


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