Methodology Ratio of (C&I)/Res
R = Commercial and Industrial Ratio Flood
State
Year
LOB($million)
Res ($ million)
Ratio
Katherine
NT
1998
41
28
1.47
Townsville
QLD
1998
40
30
1.34
Wollongong
NSW
1998
25
14
1.74
South East
QLD
2005
29
25
1.15
North East
NSW
2005
7
18
0.38
Broken Hill
NSW
2005
1
3
0.39
Central West
NSW
2005
3
1
3.70
145.9
119.2
1.22
Total
(Source: Insurance Council of Australia)
Initial Results in 2010 terms Assuming commercial and industrial losses ≈ Assuming commercial and industrial losses ≈ residential losses residential losses
Area
FloodAUS Losses
Ground Up Losses
Total Residential
Total insured Loss
Gold Coast
200
30
230
460
Northern Rivers
924
524
1,447
2,895
1,124
554
1,678
3,355
Totals
(2010 AUD $ millions)
Normalised Losses ‐ Ranked Total normalised insured losses for weather related events since Total normalised insured losses for weather related events since 1967 1967 Rank
Event
Year
Location
State
Original loss (AUD $ million)
Normalised loss (2006) (AUD$ million)
1
TC Tracy
1974
Darwin
NT
200
3,650
2
Hailstorm
1999
Sydney
NSW
1,700
3,300
3
TC#137
1954
GCR / NRR QLD,NSW
n/a
2,420
4
Flood
1974
Brisbane
QLD
68
2,090
5
Flood
2011
Brisbane
QLD
2,550 1,785
6
Hailstorm
1985
Brisbane
QLD
180
1,710
7
Ash 1983 Wednesday Bushfire Hailstorm 1990
Multiple
VIC/SA
176
1,630
Sydney
NSW
319
1,470
8
In 2006 AUD $ millions (Crompton and McAneney 2008))