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NWCG Glossary of Wildland Fire, PMS 205

Overview

The NWCG Glossary of Wildland Fire provides an extensive listing of approved terms and definitions used by the NWCG community. It contains terms commonly used by NWCG in the areas of wildland fire and incident management and is not intended to list all terms used by NWCG groups and member agencies. The NWCG has directed that all committee and subgroup product glossaries be contained within the NWCG Glossary of Wildland Fire to maintain definition consistency and clarity among documents.

Comments, questions, and recommendations shall be submitted to the appropriate agency program manager assigned to the Data Standards and Terminology Board (DSTB). 

NWCG Glossary of Wildland Fire, PMS 205  (Quick View)

EDG Explorer is a database platform used for managing NWCG Glossary terms.  The following table is a quick view of the terms found in EDG. More detailed information such as rules, documentation, and term relationships may be viewed in EDG Explorer.  

Note: If the NWCG Glossary of Wildland Fire is not displaying below please report it to NWCG Webmaster

Title Steward Status Definition
ABCD Miscellaneous DMC Data Management Committee, IBC Incident Business Committee Approved

A FireCode used by the USDA Forest Service to track and compile cost information for emergency initial attack fire suppression expenditures for A, B, C, & D size class fires on Forest Service lands.

Above Ground Level NIAC National Interagency Aviation Committee Approved

Term frequently used in aviation operations, usually in connection with a stated altitude.

absolute humidity FWS Fire Weather Subcommittee Approved

According to the American Meteorological Society, (also called vapor density). In a system of moist air, the ratio of the mass of water vapor present to the volume occupied by the mixture; that is, the density of the water vapor component.

accrual reports IBC Incident Business Committee Approved

Cost reports utilized for financial obligation purposes.

activity (fire cause) CEPC Communication, Education, and Prevention Committee Approved

The thing that a person is doing when a wildland fire ignition occurs.

activity name CEPC Communication, Education, and Prevention Committee Approved

Common name of activity

activity type CEPC Communication, Education, and Prevention Committee Approved

Type of activity or event

actual completion date FMC Fuels Management Committee Approved

Date when treatment was physically completed

admission CEPC Communication, Education, and Prevention Committee Approved

Oral or written statement tending to link its maker to involvement in a particular crime.

Aerial Ignition Device NIAC National Interagency Aviation Committee, ETC Equipment Technology Committee Approved

Inclusive term applied to equipment designed to ignite wildland fuels from an aircraft.

age category CEPC Communication, Education, and Prevention Committee In Development

A way to group people based on their chronological age and their position in the life cycle as it relates to the age demographic. This information provides valuable insight to Communication, Education, and Prevention personnel in developing products to reach and educate on wildland fire prevention.

agency administrator NIMSIC National Incident Management System Integration Committee Approved

The official position responsible for the management of a geographic unit or functional area. The managing officer of an agency, division thereof, or jurisdiction having statutory responsibility for incident mitigation and management. Examples: Federal Line Officer, State Forest Officer/Delegate or Fire Manager, Tribal Chairperson, Fire Chief, Police Chief, Sheriff, Mayor or County Representative.

agency specific costs IBC Incident Business Committee Approved

Costs incurred by an agency that address the sole concern of only the agency or are not incurred with mutual benefit. Agency specific costs are not shared.

air attack NIAC National Interagency Aviation Committee Approved

The deployment of fixed-wing or rotary aircraft on a wildland fire, to drop retardant or extinguishing agents, shuttle and deploy crews and supplies, or perform aerial reconnaissance of the overall fire situation.

air quality model FUSC Fire Use Subcommittee Approved

Mathematical or quantitative representation or simulation of air quality processes; e.g., emission models, receptor models, or air quality dispersion models.

Alert System RMC Risk Management Committee Approved

A method used to distribute various types of general or time-sensitive information from an NWCG committee to the wildland fire community. Information may include bulletins, advisories, or safety warnings, each with an associated color hash-marked bordered stationary.

angle GSC Geospatial Subcommittee Approved

Angle of point symbol displayed in mapping application

annual plant FDSC Fire Danger Subcommittee Approved

A plant that lives for one growing season, starting from a seed each year.

apparatus number NCSC National Coordination System Committee Archived

The external alphanumeric value painted on the side of the equipment.

archeological clearance In Development
asynchronous (training) TDC Training Delivery Committee Approved

Training where the students and/or instructors are not interacting with each other in real time. Typically, the students are accessing learning resources at a time of their choosing.

attack time IOSC Incident Operations Subcommittee Approved

The starting date, hour, and minute of the first suppression work on a fire.

attainment area FUSC Fire Use Subcommittee Approved

An area considered to have air quality as good as, or better than, the National Ambient Air Quality Standards (NAAQS) as defined in the Clean Air Act. An area may be in attainment for one or more pollutants but be in nonattainment for one or more other pollutants. 

authorized passenger NIAC National Interagency Aviation Committee Approved

Passengers may be transported in government aircraft only if they meet definition of an Official or an Unofficial Passenger.

backing fire WFISC Wildland Fire Investigation Subcommittee, FUSC Fire Use Subcommittee Approved

That portion of the fire with slower rates of fire spread and lower intensity normally moving into the wind and/or down slope.

blended training Approved

Training that is specifically designed to meet course objectives through a combination of self-directed online training and Instructor-led training. The online component typically contains a portion of the curriculum content and must be successfully completed in order to complete the course.

block plan FUSC Fire Use Subcommittee Approved

A detailed prescription for treating a specified burning block with fire.

booster hose ETC Equipment Technology Committee Approved

The most common type of hose attached and stored on wildland engine booster reels. The hose is made of neoprene and does not appreciably collapse when stored empty.

build-up [fire management] IOSC Incident Operations Subcommittee Approved

The increase in strength of a fire management organization.

build-up [fire spread] FDSC Fire Danger Subcommittee Approved

The accelerated spreading of a fire with time.

Bulletin RMC Risk Management Committee Approved

A general alert from an NWCG committee to the wildland fire community regarding the release of subject-specific information such as technical information, equipment updates, accident reports, etc. Depending on the origin and/or the subject content, a green hash-marked bordered stationary may be associated with this type of alert.

burned area rehabilitation FMB Fire Management Board Approved

The post-fire activities prescribed and implemented to rehabilitate and restore fire damaged lands.

burning index meter FBSC Fire Behavior Subcommittee Approved

A device used to determine the burning index for different combinations of burning index factors.

Carbon Monoxide RMC Risk Management Committee Approved

A colorless, odorless, poisonous gas produced by incomplete fuel combustion.

cardinal altitudes NIAC National Interagency Aviation Committee Approved

Odd or "even" thousand-foot (305 m) altitudes or flight levels. E.g., 5,000, 6,000, 7,000; FL 250, FL 260, and FL 270.

cargo drop NIAC National Interagency Aviation Committee Approved

Dropping of equipment or supplies, with or without a parachute, from an aircraft in flight.

carousel hook NIAC National Interagency Aviation Committee, ETC Equipment Technology Committee Approved

A remote hook attached to the end of a longline. It has four or more individual hooks which can be independently released, allowing the pilot to fly cargo loads to different locations without landing.

celsius FWS Fire Weather Subcommittee Approved

According to the American Meteorological Society, same as centigrade temperature scale, by convention. Centigrade temperature scale is a temperature scale with the ice point of water at 0 degrees and the boiling point at 100 degrees.

center location NCSC National Coordination System Committee Approved

The city and state pairing for the dispatch center location

charged line ETC Equipment Technology Committee Approved

Hose filled with water under pressure and ready to use.

check-in NIMSIC National Incident Management System Integration Committee Approved

The process whereby resources first report to an incident. Check-in locations include incident command post (ICP), base or camps, staging areas, helibases, or direct to a tactical assignment. All responders, regardless of agency affiliation, report in to receive an assignment.

circumstantial evidence WFISC Wildland Fire Investigation Subcommittee Approved

Testimony or information not based on actual personal knowledge or observation, but dependent on inference of other facts or experience. For example, testimony that defendant's cigarette lighter was found in ashes of a fire.

climatological breakpoint FDSC Fire Danger Subcommittee Approved

Points on the cumulative distribution of one fire weather/fire danger index without regard to associated fire occurrence/business.

comments (feature class) GSC Geospatial Subcommittee Approved

Additional information describing the feature.

Compensation/Claims Unit NIMSIC National Incident Management System Integration Committee, IBC Incident Business Committee Approved

Compensation and Claims Unit staff are responsible for financial concerns resulting from property damage, injuries, or fatalities at the incident. The specific activities vary depending on the incident. Staff handling injury compensation ensure that all forms needed by workers’ compensation programs and local agencies are completed. These staff also typically maintain files on injuries and illnesses associated with the incident and obtain written witness statements. Since Medical Unit staff may also perform some of these tasks, the Medical and the Compensation and Claims Units should coordinate closely. The Compensation and Claims Unit staff may assist with civil tort claims investigations involving incident property, and the staff maintain logs on the claims, obtain witness statements, and document investigations and agency follow-up activities.

Complex Identifier FRSC Fire Reporting Subcommittee Approved
Complex Name FRSC Fire Reporting Subcommittee Approved
conceptual model FWS Fire Weather Subcommittee Approved

A model that is a diagram or description of a set of relationships between factors that describe how a system works, such as an ecological model.

contact email (data creation) DMC Data Management Committee Approved

Email of the incident-based contact responsible for data creation.

contact name (data creation) DMC Data Management Committee Approved

Name of the incident-based contact responsible for data creation.

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Modified / Reviewed:

NWCG Latest Announcements

The Wildland Fire Learning Portal is Now Available

Date: October 9, 2024
Contact: Wildland Fire Learning Portal

The Wildland Fire Learning Portal (WFLP) is back online following a migration to a new learning management system (LMS) application. The WFLP team is actively addressing any issues that may arise as a result of the update, and appreciates your patience as the team works to enhance your experience. NWCG will share information from the WFLP as it is available.

Should you have any issues with accessing or using the WFLP, please use the link below to submit a ticket through the Help Center.

References:

Wildland Fire Learning Portal

Wildland Fire Learning Portal Help Center

NWCG Equipment Technology Committee Releases New Equipment Bulletins

Date: September 27, 2024
Contact: Equipment Technology Committee

The Equipment Technology Committee (ETC) has released three new Equipment Bulletins:

  • ETC-EB-24-003 Diesel exhaust fluid (DEF) in fuel containers.
  • ETC-EB-24-004 Two-compartment fuel and oil container (Dolmar) unavailable in the United States (US) and reminders for upkeeping current inventories.
  • ETC-EB-24-005 Personal Protective Equipment (PPE): Inspection, Care, and Maintenance.

These bulletins remind field going personnel of important issues related to equipment for wildland firefighting efforts.

References:

NWCG Alerts

ETC-EB-24-003 Diesel exhaust fluid (DEF) in fuel containers

ETC-EB-24-004 Two-compartment fuel and oil container (Dolmar) unavailable in the United States (US) and reminders for upkeeping current inventories

ETC-EB-24-005 Personal Protective Equipment (PPE): Inspection, Care, and Maintenance

The Experiential Learning Subcommittee is looking for your feedback on Staff Rides

Date: September 20, 2024
Contact: Ashleigh D'Antonio and George Risko, Leadership Committee

The Experiential Learning Subcommittee needs to hear from the field about where the greatest need lies regarding staff rides and their accessibility.

  • Do you have an event you would like to turn into a learning experience?
  • Do you have a staff ride built, but are struggling to implement the delivery?
  • Do you need help building capacity?
  • What other ideas do you have to support experiential leadership training?

Fill out this short survey below to help us help you.

References:

Staff Rides: Feedback

Staff Rides

Updated NWCG Single Resource Casual Hire Information, PMS 934

Date: September 19, 2024
Contact: Incident Business Committee

The Incident Business Committee has updated the NWCG Single Resource Casual Hire Information, PMS 934. This update expands the provisions for hiring emergency personnel.

References:

NWCG Single Resource Casual Hire Information, PMS 934

IBC Memorandum 24-03