LATEST.TXT



Information from the ISI and BUI is combined to provide a numerical rating of fire intensity.

The FWI is divided into five fire danger classes:

Index	Low	Moderate	High	Very High	Extreme
FFMC	0-81	81-88	88-90.5	90.5-92.5	92.5+
DMC	0-13	13-28	28-42	42-63	63+
DC	0-80	80-210	210-274	274-360	360+
ISI	0-4	4-8	8-11	11-19	19+
BUI	0-19	19-34	34-54	54-77	77+
FWI	0-5	5-14	14-21	21-33	33+

LASTRET.TXT