DMC Duff Moisture Code
>30 H
>40 VH
 
SUSPEND the issue of fire permits
FFMC Fine Fuel Moisture Code
<58 L
=74 M
>86 VH
>92 E
No fire ignitions
50% fire ignitions
All fires will readily ignite
Extreme fire behaviour
DC Drought Code
>200 H
>300 VH
>350 E
 
SUSPEND the issue of fire permits
Prolonged Mop Up following fires
ISI Initial Spread Index
>10 E
Rapid Spread of fires
BUI Buildup Index
>40 H
 
FWI Fire Weather Index
>30 E
Extreme Fire
Intensity / Control Difficulty
Prognoser @ MSB
HBVSI Antändningsrisk & Markfuktighet
FWI Skogsbrandrisk
HBVGI Gräsbrandrisk