Climate Change and Early Warning Systems for Wildland Fire - Reducing Disaster: Early Warning Systems for Climate Change - page 140

Table 7.3 Examples of fi re danger-based decision-aids for ( a ) prescribed fi re, ( b ) fi re prevention
and detection, and ( c ) fi re suppression planning
a
Fire danger level Prescribed fi re activity Fire severity Period

Low Nil to wet Nil All day

Moderate Centre fi re ignition Low 1,000-1,4000 h

Strip ignition Moderate 1,400-1,800 h

High Strip ignition Moderate 0800-1,200 h

Strip ignition during
low winds only

High 1,200-2,000 h

Extreme Strip ignition during

low winds only

High Before 1,000 h

Prescribed fi re ban Extreme 1,000-2,000 h

b

Detection

Potential ignition level Prevention activity

Activity Period

Low None None None

Moderate Post-local waming

signs

Towers Mid-day

High Local media warnings Towers All day

Prescribed fi re
restrictions

Vehicle patrol Mid-day

Extreme TV and radio warnings Towers All day

Prescribed fi re
restrictions

Vehicle Patrol All day

Local community
meetings

Aircraft patrol Mid-day

c
Fire danger level

Resources on standby Alert period Dispatch time

Low Crews, hand tools Mid-day 60 min

Moderate Crews, hand tools All day 30 min

Pumps, water tanks Mid-day 60 min

High Crews, hand tools All day 15 min

Pumps, water tanks All day 30 min

Control line-building
equipment

Mid-day 60 min

Extreme Crews, hand tools All day 15 min

Pumps, water tanks All day 15 min

Control line-building
equipment

All day 30 min

Aircraft, burn out
equipment

Mid-day 60 min