The Australian bush is brutal, fire can come from any direction and you need to be ready for it. EmberAttack is one part of a larger solution to protect your home in a program of maintenance and prevention creating a waterfall from your gutters.
Each part of the rule increases fire danger in a different way.
When temperatures rise above 30°C, grass, leaves and bushland dry out more quickly. Dry vegetation ignites far more easily than moist vegetation.
Humidity below 30% means there is very little moisture in the air. This causes trees, bark, leaf litter and grass to become highly combustible.
Winds above 30 km/h can push flames quickly through bushland while also carrying burning embers long distances ahead of the main fire front. These embers can start spot fires around homes well before the fire itself arrives.
When 30/30/30 conditions are forecast, bushfire risk increases significantly.
Even properties that are not directly next to bushland may still be vulnerable to ember attack.
Under severe conditions:
This is why fire authorities often issue warnings and encourage people to activate their bushfire plans early.
If dangerous fire weather is forecast, homeowners should prepare their property before conditions worsen.
Common preparation steps include:
Many bushfire losses occur because embers ignite small fires around the home rather than from direct flame contact.
During 30/30/30 conditions, ember attack can become one of the biggest threats to buildings.
Strong winds may carry burning embers kilometres ahead of the fire front, allowing spot fires to start in vulnerable areas such as:
Reducing ember entry points and protecting vulnerable areas can play an important role in improving bushfire preparedness.
The 30/30/30 Rule is not a precise scientific formula, but it is widely recognised as a practical warning sign that bushfire conditions are becoming dangerous.
For homeowners, it is a reminder to:
It's not the fire that destroys most homes. It's the invisible ember attack that rains down kilometres ahead of the blaze. Up to 90% of homes lost in bushfires are destroyed by ember attack - not direct flames.
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