Chapter 13 - The ISO at Wildland and I-Zone Fires

Question 1

Also referred to as the I-zone; areas where homes and businesses have minimal separation from, or are interspersed with, natural growing wildland areas.

Answer 1

Wildland-urban interface (WUI)

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Question 2

All constructed or natural barriers and treated fire edges used to control a wildland fire.

Answer 2

Control line

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Question 3

The part of a control line that is scraped or dug to mineral soil.

Answer 3

Fire line

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Question 4

A preliminary control line hastily constructed as an emergency measure to check fire spread.

Answer 4

Scratch line

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Question 5

Water or a water agent sprayed on the ground as a temporary control line for low intensity fire to ignite a burn-out.

Answer 5

Wet line

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Question 6

A wildland fire term used to describe the sudden advancement and increase in fire intensity due to wind, prewarmed fuels, or a topographical feature such as narrow canyon or “chimney”.

Answer 6

Blowup

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Question 7

A violent convection caused by a large continuous area of intense fire. They are characterized by violent surface in-drafts near the fire perimeter and occasional tornado like whirls.

Answer 7

Fire storm

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Question 8

A sudden, but short lived, rise in wildland fire intensity that is usually attributed to wind, fuel, or topographical changes.

Answer 8

Flare-up

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Question 9

The burning of the foliage of a single tree, or small bunch of trees, from the bottom up (sometimes called “candling”).

Answer 9

Torching

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Question 10

This acronym is used to address rapid withdrawal options?

Answer 10

LCES

pronounced “laces”

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Question 11

What does LCES stand for?

Answer 11

lookouts, communication method, escape routes and safety zones

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