The Simple FDI Calculator is now available as a Free iPhone App : Search "Simple FDI" in App Store

SIMPLE FDI
(Dynamic FDI based on Fuel Mosture Content calculated from current weather data)

Thanks to Dr Jason J Sharples - School of Physical, Environmental and Mathematical Sciences, University of
New South Wales at the Australian Defence Force Academy. Canberra, ACT - for the use of his Formula
(Sharples, J.J., McRae, R.H.D., Weber, R.O., Gill, A.M., (2009) A simple index for assessing fire danger rating,
Environmental Modelling & Software, 24, 764-774
)

ENTER THE COEFFICENTS IN APPROPRIATE BOXES

Temperature
(0 - 50 °C)

Rel. Humidity
(0 - 100%)

Wind Speed
(0 - 150 km/hr)

Fuel Load
(0 - 25 tonnes/ha)

Drought Factor
(0 to 10)

Ground Slope
(°)

SIMPLE FOREST FDI

Simple FDI - FDR

Fuel Moisture

*Flame Height

*Spotting Distance

*Rate of Spread

NB: Calculations marked with * are using the McArthur Grassland Mark 5 model based on the Simple FDI.

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