Bushfire Hazard Assessment

                                                                                          BHA Report for36 Riverpark Drive, Ringtail Creek




Fire Weather

Fire weather affects bushfire risk levels on a daily, weekly or seasonal basis. The South-east Queensland weather pattern is
dominated by a maritime effect. The most common winds are southeast and northeast, the latter being very common during the
summer months as an afternoon sea breeze. The most severe fire weather in the area is associated with a northwest wind
generated on the back of a high pressure system moving slowly from west to east or from a situation where there is intense low
pressure activity in the southeast of Australia extending a trough into southern Queensland (Just, 1978). However, the
frequency of these situations in the region is low, being generally of the order of one to two days or fewer per year. The
exception can occur in bad fire seasons when fuel conditions are very dry as a result of prolonged dry periods. In Queensland,
these bad fire seasons occur about once a decade and are infrequent when compared with the fire situation that prevails
frequently in southern Australia.


Whilst an assessment of vegetation types, fuel loads, effective slope and other factors can be readily undertaken, fire weather
can fluctuate across days, weeks and seasons and can have a significant impact on the potential for bushfire threat, as well as
influence bushfire behaviour and intensity. The Forest Fire Danger Index (FFDI) is a commonly used method to readily advise
the community of the likely ability of fire suppression based on fire weather, which is used to inform the Fire Danger Rating
(FDR) System (Figure 7). It is important to maintain awareness as to the level of local fire danger during the fire season.




                                                            Figure 7



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