ak orientation part 2

Alaska Interagency FirefighterOrientation

Alaska Interagency FirefighterOrientation

Part IIPart II

Tussock TundraTussock Tundra

•A typical rate of spread is 20-100 chains/hour.

•Fuel model #1 (short grass) if tussocks are 1 foot or less.

•Fuel model #3 (tall grass) if tussocks are taller than 1 foot.

Just because it is green doesn’t mean it won’t burn.

General Response to:

Tussock Tundra at 55% RHTussock Tundra at 55% RH

•Moisture of extinction

General Response to:

Tussock Tundra at 30% RHTussock Tundra at 30% RHHand crews will be effective beating at the head and flanks.

Blackline is sufficient for control- if you patrol.

Retardant is very effective in assisting direct attack.

With winds 5-10 mph produces 3’ flame lengths.

Always watch behind you for reburn and keep one foot in the black!!

General Response to:

Tussock Tundra at 20 - 30% RHTussock Tundra at 20 - 30% RH

•Handcrews can still work flanks if assisted by aerial retardant or water drops, pumps, or fedcos.

•With 15 mph winds, may produce 10’ flame lengths.

Always watch behind you for re-burn and keep one foot in the black!!

General Response to:

Tussock Tundra at less than 20% RHTussock Tundra at less than 20% RH

•Establish indirect lines and burn out!

Always watch behind you for reburn and keep one foot in the black!!

Make Sure Your Local Briefing Covers:Make Sure Your Local Briefing Covers:

•Previous expected fire behavior.

•Local factors that influence fire behavior.

•Local fuel types / hazards & considerations.

Wildland Urban Interface Considerationsand Concerns:Wildland Urban Interface Considerationsand Concerns:

•Cooperative agreements.

•Various levels of ICS understanding.

•Various levels of experience and qualifications.

•Communication differences.

•Private property concerns.

Some Radio Frequencies are by Color:Some Radio Frequencies are by Color: