Rainfall Histogram Plot

Data Plot

                Hourly Rainfall Totals for KSC WALCHA RAINFALL
                ----------------------------------------------
  Date   22/11/09  23/11/09  24/11/09  25/11/09
  Time    Sunday    Monday    Tuesday  Wednesday
   0:00       .         .         .         .
   1:00       .         .         .         .
   2:00       .         .         .         .
   3:00       .         .         .         .
   4:00       .         .         .         .
   5:00       .         .         .         .
   6:00       .         .         .         .
   7:00       .         .         .         .
   8:00       .         .         .         .
   9:00       .         .         .         .
  10:00       .         .         .         .
  11:00       .         .         .         .
  12:00       .         .         .         .
  13:00       .         .         .         .
  14:00       .        2.0        .         .
  15:00       .         .         .         .
  16:00       .         .         .         .
  17:00       .        1.0        .         .
  18:00       .         .         .         .
  19:00       .         .         .         .
  20:00       .         .         .         .
  21:00       .         .         .         .
  22:00       .         .         .         .
  23:00       .         .         .         .
----------------------------------------------
Day Total    0.0       3.0       0.0       0.0
9:00 Total             0.0       3.0       0.0
 
 Grand Total =   3.0
                       Rainfall Intensities above 2.0 mm
                       ---------------------------------
  Maximum in 30 mins   2.0 mm at 14:25 23-11-2009  (  4.0 mm/Hr)
  Maximum in 60 mins   2.0 mm at 14:25 23-11-2009  (  2.0 mm/Hr)
  Maximum in  3 hrs    2.0 mm at 14:25 23-11-2009  (  0.7 mm/Hr)
                                 14:45 23-11-2009
  Maximum in  6 hrs    3.0 mm at 14:25 23-11-2009  (  0.5 mm/Hr)
  Maximum in 12 hrs    3.0 mm at 14:25 23-11-2009  (  0.2 mm/Hr)
  Maximum in 24 hrs    3.0 mm at 14:25 23-11-2009  (  0.1 mm/Hr)
  Maximum in 48 hrs    3.0 mm at 14:25 23-11-2009  (  0.1 mm/Hr)

TABLE 1 – FLOOD CLASSIFICATIONS

The Bureau of Meteorology issues flood warnings for the Georges Creek, Bellbrook and Kempsey Traffic Bridge gauges. 
Flood classification levels are as follows:

MINOR MODERATE MAJOR
Georges Creek 6.0 8.0 10.0
Bellbrook 6.5 10.5 m 13.5
Kempsey (Traffic Bridge) 4.5 m AHD 5.7 m AHD 6.6 m AHD

TABLE 2 – BRIDGE DECK LEVELS

Approximate levels of Bridge Decks on nearest Stream Gauge

Macleay River

LOCATION STREAM GAUGE READING
Bellbrook Bridge 2.8m on Bellbrook gauge
Toorooka Bridge 3.5m on Toorooka gauge
Temagog Bridge 3.6m on Toorooka gauge
Turners Flat Bridge 3.0m on Turners Flat gauge
Sherwood Bridge 3.6m on Turners Flat gauge

OTHER STREAMS

LOCATION STREAM GAUGE READING
Nulla Creek Bridge on Armidale Road 9.5m to 10.5m Bellbrook gauge
Nulla Nulla Creek Road 2.5m to 3m Kogal-Nulla Creek gauge
Toorumbee Creek Bridge Moparrabah 2.5m to 3m Moparrabah – Majors Creek gauge
Wittitrin Causeway on Dungay Creek Road 0.3m to 0.6m Wittitrin – Dungay Creek gauge

Flood Data : River Heights and Rainfall Flood Data : River Heights and Rainfall

IMPORTANT: This information has been recovered directly from automatic recording equipment and has not been quality controlled by MHL, it should not be used for publication without consulting Kempsey Council.
 
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