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Dry and very warm conditions trigger bushfires
Monday, 29 October 2001
As a result of the low rainfall in recent weeks and the high levels
of evaporation due to the dry and windy conditions, bushfires started
in a widespread area in north east NSW. The winds in the Lower Hunter
were averaging 30kts from the WNW direction, relative humidity was only
10% and the max temps were mostly around 33°C. These conditions allowed
rapid evaporation of an already drying ground. Fires flared up
in a number of places across the Lower Hunter including the Cessnock
area, Singleton, Paterson, Myall Lakes, Lake Macquarie and the Central
Coast. Despite the concern, no homes were lost as a result of the fires.
The very dry conditions that were experienced in the Hunter were the
driest in the recent few years. The fire danger in the Lower Hunter
was higher then that in the Upper Hunter due to the stronger winds,
lower humidity and the lack of rain. The lower humidity and the stronger
winds were due the funneling effect of the winds down the main valley
of the Hunter.
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