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Comprehensive Pre-Burn Reconnaissance for Successful Ignition Operations

Learn the key elements of the fire environment - fuels, weather, topography, and fire behavior - and how they influence burn execution. Explore the importance of pre-burn reconnaissance, considering fuel characteristics, weather factors, topography, and fire behavior. Understand aerial firing ignition patterns and the interaction between fuels, weather, topography, fire behavior, and ignition patterns to achieve desired fire effects.

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Comprehensive Pre-Burn Reconnaissance for Successful Ignition Operations

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  1. Fuels and Fire Behavior(Optional)

  2. OBJECTIVES • Identify key elements of the fire environment: • Fuels • Weather • Topography • Fire behavior • Discuss how the fire environment influences burn execution

  3. Pre-burn Reconnaissance Key participants • Pilot • Burn Boss/Ignition Specialist

  4. Pre-burn Reconnaissance • A thorough recon of the burn area and a discussion of the burn objectives are essential to a successful firing operation. • Fire environment elements to consider during the recon are:

  5. Pre-burn Reconnaissance: Fuel Characteristics • Type and loading • Continuity • Fuel moisture • Chemical properties • Fuel size, shape, and compactness • Vertical arrangement and horizontal continuity

  6. Pre-burn Reconnaissance:Weather Factors • Temperature • Relative humidity • Inversions • Frontal passages • Winds • direction • speed • duration • local influences • Recent and expected precipitation

  7. Pre-burn Reconnaissance:Topography • Slope • Aspect • Elevation • Local influences • canyons • lakes • mountains • glaciers

  8. Pre-burn Reconnaissance:Fire Behavior • Fire types • surface • crown • Fire growth characteristics • head fires • backing fires • flanking fires

  9. Aerial Firing Ignition Patterns • Strip-head • Spot • Chevron • Center • Backing fire • Or a combination of the above

  10. Interaction • Fuels, weather, topography, fire behavior, and ignition pattern all interact to create fire effects. • Adjustments to firing patterns can be made to produce fire effects that will meet burn objectives.

  11. SEE YA !

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