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Sunset:  17:06
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10 hrs 43 min
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FWIPointer soventix

Fingerboard Road Flood Index (FRFI).

I believe it is time for a look what weather caused Fingerboard Road to go under. By lack of a better name I decided to call it the "Fingerboard Road flood index", it holds no official meaning, nor should it be used to base important decisions upon.

Fingerboard Road is prone to flooding, if someone up the mountain flushes their toiled, the crossing goes under, if you reside in Parklands Estate you might consider a boat as your second car :-).

This is just an idea, I am playing with.

This page shows three major weather events in 2010 and 2011, I had the "pleasure" to deal with. If you have more weather events between 2004 - 2011 where flooding occurred let me know (use contact us on the bottom) so I can fine tune the Fingerboard Road Flood Index (FRFI).

The information I am planning to use is:

  • Rain total last rain event in mm, the Davis Weather Instrument  takes two clicks (.02") to begin a rain event and 24 HOURS WITHOUT RAIN to end a rain event.
  • Evaporation, rational is that if it rains 10mm and the evaporation rate is 12mm it might cancel each other out.
  • Soilmoisture at two different depths (10 and 60 cm), if the number is zero the soil is saturated. It operates on a scale from 0 -200. The rationale is that when the soil is saturated the assumption can be made that creeks start flowing more due to the mass in the creek as well as the runoff.

I cannot take into consideration the debris blockage of creeks, I simply base the index upon the level of water that flows over the lowest Fingerboard Road crossing. I am worked on a depth sensor in my dam, but time does not permit me to finish it so I parked this idea for the time being. The idea is to measure the water rise in the dam and as such predict a flooding event. I figured out the formula and the relationships between the flood events, one day I will finish that.

The plan is to incorporate data from weather stations up Mt Mee and Ocean View, the rain that is collected uphill will eventually flow down.

 

 

 

 

7th February 2010

Fingerboard Road looking West.

  • No access to:
    • Mt Mee road, traffic only accessable to Dayboro Road

 
Day Date Raintotal last rain event mm Evaporation mm Soil Moisture at 10cm. Soil Moisture at 60cm.
Monday 2010-02-01 65.0 2.5 8 2
Tuesday 2010-02-02 108.8 3.8 12 2
Wednesday 2010-02-03 111.2 5.2 13 2
Thursday 2010-02-04 114.2 4.4 13 2
Friday 2010-02-05 145.0 5 15 2
Saturday 2010-02-06 5.8 4.7 12 2
Sunday 2010-02-07 98.6 0.6 7 2
 

 

 

 

11th October 2010

Dayboro town center bridge.
Day Date Raintotal last rain event mm Evaporation mm Soil Moisture at 10cm Soil Moisture at 60cm
Monday 2010-10-04 13.5 4.1 3 4
Tuesday 2010-10-05 1.5 4.3 3 3
Wednesday 2010-10-06 0.0 4.6 3 3
Thursday 2010-10-07 0.0 4.1 6 3
Friday 2010-10-08 99.3 1.2 3 3
Saturday 2010-10-09 145.5 0.9 2 3
Sunday 2010-10-10 171.2 1.1 3 3
Monday 2010-10-11 370.8 0.6 3 3
 

 

Photo to follow.

 

11th January 2011

  • No access to:
    • Fingerboard road or adjoining estates such as Avelon Downs, Parkland.
Day Date Raintotal last rain event mm Evaporation m Soil Moisture at 10cm Soil Moisture at 60cm
Wednesday 2011-01-05 8.6 3.4 5 0
Thursday 2011-01-06 55.4 1.1 4 0
Friday 2011-01-07 99.6 2.1 4 0
Saturday 2011-01-08 141.5 2.2 4 0
Sunday 2011-01-09 289.6 0.9 0 0
Monday 2011-01-10 353.3 1.7 0 0
Tuesday 2011-01-11 827.8 0.5 0 0
Wednesday 2011-01-12 828.8 3.9 0 0