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IFDs Frequent and Infrequent Storm Events
Project number:            20210008
Street Address:      9 Bottlebrush Drive, Noosa Heads
Locality:            Noosa Heads, Noosa Shire Council

Source :            http://www.bom.gov.au/water/designRainfalls/revised-ifd/

Location:           Latitude:
                    -26.396 [Nearest grid cell: 26.3875 (S)]
                    Longitude:
                    153.09 [Nearest grid cell: 153.0875 (E)]

Date obtained:          25/06/2021

                        Annual
                      Exceedance
                      Probability
                         (AEP)
Duration                  63%             50%#                 20%*       10%           5%        2%        1%
1 min                           172             194                262           307       349       404       444
2 min                           146             166                229           272       314       372       417
3 min                           137             156                214           253       292       344       384
4 min                           131             148                202           238       274       320       355
5 min                       125.00            141.00             192.00        226.00    258.00    300.00    332.00
10 min                          102             115                155           180       205       235       258
15 min                         86.5             97.6               131           153       173       199       217
20 min                         75.5             85.2               115           134       152       175       191
25 min                         67.4             76.1               103           120       136       157       173
30 min                           61             68.9               93.2          109       124       144       158
45 min                         48.3             54.7               74.6          87.8      101       117       130
1 hour                         40.6             46.1               63.3          74.9      86.2      101       113
1.5 hour                       31.5               36                 50          59.6        69      81.8      91.6
2 hour                         26.3             30.1               42.2          50.6      58.9      70.2        79
3 hour                         20.4             23.5               33.3          40.2      47.2      56.6        64
4.5 hour                       15.9             18.4               26.4          32.1      37.8      45.6      51.7
6 hour                         13.3             15.5               22.4          27.3      32.3      39.1      44.4
9 hour                         10.4             12.1               17.8          21.8      25.8      31.4      35.8
12 hour                        8.75             10.2               15.1          18.5        22      26.8      30.7
18 hour                        6.82             7.99               11.9          14.6      17.5      21.4      24.5
24 hour                        5.69             6.68               9.94          12.3      14.8      18.1      20.9
30 hour                        4.93             5.78               8.63          10.7      12.9      15.9      18.3
36 hour                        4.37             5.12               7.66          9.53      11.5      14.2      16.4
48 hour                        3.58              4.2                6.3          7.86       9.5      11.8      13.8
72 hour                        2.67             3.13                4.7          5.88      7.15      8.98      10.5
96 hour                        2.15             2.51               3.77          4.73      5.76      7.27      8.53
120 hour                        1.8             2.11               3.16          3.96      4.83       6.1      7.16
144 hour                       1.56             1.82               2.72          3.41      4.16      5.24      6.15
168 hour                       1.38             1.61                2.4             3      3.65      4.59      5.37


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IEDs Frequent and Infrequent Storm Events

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Project number: 20210008
Street Address: 9 Bottlebrush Drive, Noosa Heads a0
Locality: Noosa Heads, Noosa Shire Council
Source : http://www.bom.gov.au/water/designRainfalls/revised-ifd/
Locator Laude tr See tee ema aay
-26.396 [Nearest grid cell: 26.3875 (S)] 3000 T T
Longitude: 2000 }- Legend
153.09 [Nearest grid cell: 153.0875 (E)] 1500 | —s— 1%
3000 + ——
Date obtained: 25/06/2021 750 b
—o— x
500 |
Annual
Exceedance
Probability
(AEP)
Duration 63% 50%# 20%* 10% 5% 2% 1%
amin 172) 194 262 307 349) 404 444
2 min 146] 166 229 272 314 372 417
3 min 137| 156 214 253 292 344 384
4 min 131) 148 202 238 274 320 355
5 min 125.00] 141.00] 192.00] 226.00) 258.00] 300.00} 332.00)
10 min 102) 115 155) 180) 205 235 258
15 min 86.5) 97.6 131 153) 173 199 217
20 min 75.5) 85.2 115) 134) 152 175) 191)
25 min 67.4) 76.1 103 120) 136 157 173
30 min 61 68.9 93.2, 109) 124 144) 158
[45 min 48.3 54.7| 74.6 87.8 101 117 130)
{1 hour 40.6 46.1 63.3 74.9) 86.2 101) 113)
1.5 hour 31.5) 36 50 59.6 69 81.3 91.6
2 hour 26.3 30.1 42.2, 50.6 58.9] 70.2] 79)
3 hour 20.4) 23.5 33.3 40.2 47.2 56.6 64 aL 4
[4.5 hour 15.9) 18.4] 26.4 32.1) 37.8 45.6 51.7]
6 hour 13.3 15.5] 22.4 27.3 32.3 39.1 44.4) os
9 hour 10.4) 12.1) 17.8| 21.8 25.8 31.4) 35.8
12 hour 8.75) 10.2| 15.1] 18.5) 22 26.8 30.7)
18 hour 6.82] 7.99 11.9] 14.6 175] 21.4 24.5] 2 ae i 1 i ii A i H faba
24 hour 5.69 6.68 9.94 12.3 14.8 18.1) 20.9 a aa a0: * 2 a 3 $ % x Bs eat SRO
30 hour 4.93 5.78 8.63 10.7) 12.9] 15.9] 18.3 [ INgESE I ae I ae ]
36 hour 437 5.12| 7.66 9.53 115] 14.2| 16.4)
[48 hour 3.58 4.2| 6.3) 7.86 95) 11.3] 13.8 Duration
72 hour 2.67] 3.13 47 5.88 7.15 8.98 10.5)
96 hour 2.15] 2.51 3.77 473 5.76| 7.27) 8.53
120 hour 1.8] 2.11 3.16 3.96 4.83 6.1| 7.16 ‘©Copyright Commonwealth of Australia 2016, Bureau of Meteorology (ABN 92 637 533 532)
144 hour 1.56 1.82| 2.72, 3.41) 4.16 5.24 6.15)
168 hour 1.38 1.61] 2.4] 3 3.65 4.59) 5.37]