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BSB 806 015

Preparing for a cyclone

Australia’s cyclone season traditionally occurs in the northern areas of Australia between November and April, however preparing for a cyclone can start before there is an immediate threat.

What are cyclones?

Tropical cyclones start out as low-pressure systems that occur over warmer tropical oceans, including the oceans surrounding the northern and western areas of Australia. A low-pressure system draws energy from the warm waters, forming a convection current of gale force winds and moisture that rotate around a calm centre known as the cyclone eye.

A cyclone system travels as it picks up power and while cyclones can start and end over the oceans, unfortunately for us they can also move towards land. Torrential rain and flooding, tidal surges and destructive wind speeds of up to 280 kilometres per hour can cause loss of life, as well as extensive damage to property and communities.

Unlike many weather conditions, meteorologists can identify cyclone formation well in advance as they take shape over northern oceans before tracking towards our coastlines. This gives valuable time for preparation and public warnings to be issued for what is one of nature’s most furious challenges.

Prepare your house and property for cyclone

If you live in a cyclone prone area, especially if you have recently moved, The Bureau of Meteorology advises checking with your local council or building authority that your home and other buildings have been constructed according to the Cyclone Rating building codes, and whether your property is located in a storm surge area. Knowing this information about your home makes a difference to how you proceed when a cyclone is approaching.

The following upgrades and maintenance are recommended by state-based emergency services to minimise damage to your home during a cyclone:

Keep guttering clear of debris and leaves
Repair loose tiles or roofing sheets and ensure they are firmly fastened
Trim trees and branches close to your home, you may need to check with council if overhanging trees are on public land.
Fit shutters or metal screens to all external glass areas
Secure large items such as garden sheds, boats, trailers and rainwater tanks.
Check if your insurance policy covers damage, power surges, flooding, tidal surges, and debris removal. You might also want to check your car and other vehicles, such as caravans, are adequately covered by insurance.

Remember, even a plastic bucket can be dangerous when travelling at high speed so tie down or bring inside any loose building materials, toys, garden furniture and rubbish bins before a cyclone hits, the WA Department of Fire and Emergency Services (DFES) advises.

Evacuate or stay, know your plan.

It is essential you have a plan and everyone in a household knows what to do on the approach of a cyclone, when to do it, and why. This downloadable Household Emergency Plan by the Northern Territory Emergency Service is a useful guideline on what your plan should cover.

Make sure your family recognises the Standard Emergency Warning Signal, which is broadcast via TV and radio, when a cyclone is 12 hours or less away. You can also check current warnings for your area or receive SMS alerts for your area at www.emergencyalert.gov.au.

The safest place in your house to shelter depends on the cyclone rating of your property, and is usually a basement, bathroom or internal passageway.

Cyclone emergency kit

Part of your emergency plan should include an emergency kit, which can be put together and stored until needed. Emergency services recommend your kit carry the following items:

Battery-powered, wind-up or solar-powered radio
Waterproof torch
Spare batteries for all devices
First aid kit and guide book
Toiletries including soap, hand wash gels, alcohol wipes, toilet paper, tissues, toothpaste and sanitary items
Cash and a phone card
Woollen blankets
Candles with waterproof matches or glow sticks
Drinking water, consider having 10 litres per person to last three days
Dried and long-life food to last three days, include a can opener and utensils
Nappies and supplies for infants
A supply of essential medications
Waterproof bags for copies of essential documents such as prescriptions, insurance details and contact numbers for family and neighbours. A USB stick with scanned copies can also be pre-stored.
Items to keep your pets comfortable, including a leash, travelling cage, a familiar toy and pet food.
Your written cyclone survival plan, including contact numbers of family or neighbours.

Don’t wait until a cyclone warning has been issued to supplement your kit with non perishable food, water or medicines - supermarket shelves can be sold out of stock in a matter of hours when a cyclone is approaching.

Know your local cyclone emergency shelters

These are community buildings that are capable of providing protection from winds of up to 300km per hour.

Get familiar with where the nearest cyclone emergency shelter is to you, in case you have to leave your house. Western Australia advises residents to check their local council website for details on shelters.

If you receive advice to relocate to a safe place, before you leave switch off utilities such as power, gas and water and lock the doors.

State by state information

The Bureau of Meteorology is the peak body in Australia for cyclone information and updates, while www.emergency.wa.gov.au/ provide useful localised advice.

This article is intended as a general guide only. You should consult your state fire and emergency services for further information.

REFERENCES

Preparing for a cyclone

What are cyclones?

Prepare your house and property for cyclone

Evacuate or stay, know your plan.

Cyclone emergency kit

Know your local cyclone emergency shelters

State by state information

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