Wildland Flashcards
NWCG
National Wildfire Coordinating Group
IRPG
Incident Response Pocket Guide
3 Things that have an impact on wildfire
Fuel
Topography
Weather
Arial fuels are anything greater than what
6 feet
What are the 3 types of fuels?
Ground - Subsurface: Roots, duff, buried logs, etc.
Surface - On ground: Pine cones, grass, etc.
Arial - Anything over 6 feet
How far is a chain?
66 feet
How many chains are in a mile?
80 chains
Which side of a hill is the hottest and driest?
The south side. This is because it is closer to the equator (not really).
Which side of a hill has the most dense fuel load?
The north side.
On which side does fuel heat and cool sooner?
East side.
RH
Relative Humidity
PIG
Probability of Ignition. For every 100 embers that hit the grass, how many will light?
What is a 1 hour fuel?
Herbaceous plants and wood less that 1/4” thick
Herbaceous plants
Plants without wood
What type of fuel are firefighters most concerned about?
1 hour fuels