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BOM IFDs Frequent and Infrequent Storm Events
Project number:                           20220130
Street Address:                           22 Delorme St
Locality:                                 Noosa Heads, Noosa Shire Council                                                                                    Date:   13/05/2022

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

Location:                                 Latitude                                  -26.457
                                          Nearest Latitude           26.4625 (S)
                                          Longitude                                 153.08
                                          Nearest Longitude          153.1125 (E)

Date obtained:                                       29/03/2022


                                            Annual Exceedance
                                             Probability (AEP)
Duration                                          63.20%                     50%#              20%*          10%          5%          2%          1%
1 min                                                         174                      196            264          309         352         407         449
2 min                                                         147                      167            230          274         317         377         423
3 min                                                         138                      157            215          255         294         347         389
4 min                                                         132                      149            204          240         276         323         359
5 min                                                         126                      142            193          227         260         303         335
10 min                                                        103                      116            156          182         206         237         260
15 min                                                        87.4                     98.4           132          154         174         200         219
20 min                                                        76.3                       86           115          134         153         176         193
25 min                                                          68                     76.7           103          120         137         158         174
30 min                                                        61.6                     69.5           93.7         110         125         145         160
45 min                                                        48.7                     55.1             75         88.3        101         118         131
1 hour                                                        40.9                     46.4           63.6         75.3        86.7        102         114
1.5 hour                                                      31.8                     36.2           50.2         59.9        69.4        82.3        92.4
2 hour                                                        26.5                     30.3           42.4         50.8        59.2        70.6        79.6
3 hour                                                        20.5                     23.6           33.4         40.4        47.3        56.9        64.4
4.5 hour                                                      15.9                     18.4           26.4         32.1        37.9        45.7        51.9
6 hour                                                        13.4                     15.5           22.4         27.3        32.3        39.2        44.6
9 hour                                                        10.4                     12.2           17.8         21.8        25.9        31.4        35.8
12 hour                                                       8.76                     10.2           15.1         18.5          22        26.8        30.6
18 hour                                                       6.83                        8           11.8         14.6        17.5        21.4        24.5
24 hour                                                        5.7                     6.68           9.94         12.3        14.7        18.1        20.8
30 hour                                                       4.94                     5.79           8.63         10.7        12.8        15.8        18.2
36 hour                                                       4.38                     5.13           7.66         9.51        11.4        14.2        16.4
48 hour                                                        3.6                     4.21            6.3         7.84        9.47        11.8        13.7
72 hour                                                       2.68                     3.14            4.7         5.87        7.12        8.94        10.5
96 hour                                                       2.16                     2.52           3.77         4.72        5.74        7.24         8.5
120 hour                                                      1.81                     2.12           3.16         3.96        4.81        6.08        7.14
144 hour                                                      1.57                     1.83           2.73         3.41        4.14        5.23        6.14
168 hour                                                      1.38                     1.62            2.4            3        3.64        4.58        5.36


[OCR of page images]
 

 

BOM IFDs Frequent and Infrequent Storm Events

REC:<:R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   

 

 

 
 
 
  

 

 

 

 

 

 

 

 

Project number: 20220130
Street Address: 22 Delorme St
Locality: Noosa Heads, Noosa Shire Council Date: 13/05/2022
Source http:// www.bom.gov.au/ water/ designRainfalls) revised-ifd
intensity Annual Exceedance Probabilt
Location: Latitude 26.457 Exceedance per Year
Nearest Latitude 26.4625 (S) men.
Longitude 153.08 2000 | Legend 4
Nearest Longitude 153.1125 (E) 1500
1000
Date obtained: 29/03/2022
Annual Exceedance
Probability (AEP)
Duration 63.20% 50% 20%* 10% 5% 2% 1%
174 196 264 309 352 407 449)
147 167 230 274 317 377 423}
138 157 215 255 294 347 389
132 149 204 240 276 323 359
126 142 193 227 260 303 335
103 116 156 182 206 237 260
87.4 98.4 132 154 174 200 219
76.3 86) 115 134 153 176 193
68] 767 103 120 137 158 174
61.6 69.5 93.7 110 125 145 160
48.7 55.1 75| 88.3 101 118 131
40.9 46.4 63.6 75.3 86.7 102 114
318 36.2 50.2 59.9 69.4 82.3 92.4
26.5 30.3 42.4 50.8 59.2 70.6 79.6
20.5 23.6 33.4 40.4 47.3 56.9 64.4
15.9] 18.4) 26.4 32.1 37.9 45.7 51.9
13.4) 15.5) 22.4 27.3 323 39.2 44.6 ap 4
10.4) 12.2| 17.8) 21.8 25.9 314 35.8
8.76 10.2| 15.1) 18.5) 22| 26.8 30.6 osl 4
18 hour 6.83 8 118) 14.6) 175) 21.4 24.5
24 hour 5.7 6.68 9.94 123) 14.7) 18.1) 20.8
30 hour 4.94 5.79 8.63 10.7| 128) 15.8) 18.2| 02 poi ii i i i 1 1 1 Joi
36 hour 4.38 5.13 7.66 9.51 11.4) 14.2) 16.4) a 2 %:45 » S = 1 23 5 2 r 2.3 4567
48 hour 3.6 4.21 6.3] 7.84 9.47 11.8) 13.7 TS hous ays
72 hour 2.68 3.14 47 5.87 712 8.94 10.5]
96 hour 2.16 2.52 3.77 472 5.74 7.24 8.5] Duration
120 hour 1.81) 2.12 3.16 3.96 4.81 6.08 714
144 hour 1.57| 1.83] 2.73 3.41 4.14 5.23 6.14
168 hour 1.38) 1.62) 2.4 3 3.64 4.58 5.36 ©Copyright Commonwealth of Australia 2016, Bureau of Meteorology (ABN 92 637 533 532)

 

 

 

 

 

 

 

 

 

 

 
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