Comparison between forecast and actual weather conditions at Canberra 13 February 1979.

Forecast Conditions Actual Conditions
Maximum Temp 36º C Maximum Temp 39ºC
Relative Humidity 16% Relative Humidity 8%
Wind Speed/Direction North West @ 20 km/h Wind Speed/Direction North West @ 35 km/h
Grass Fire Danger Index 20 High/Very High Grass Fire Danger Index 72 Extreme
Forest Fire Danger Index 39 Very High Forest Fire Danger Index 80 Extreme