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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.

accounting code IBC Incident Business Committee Approved

Agency-specific accounting data. Each agency assigns a specific accounting code to an incident.

active fire IOSC Incident Operations Subcommittee Approved

Any fire that has not been called "out".

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

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

activity group CEPC Communication, Education, and Prevention Committee Approved

Further refines wildfire cause supporting data, providing information for prevention programs for targeted messaging.

activity name CEPC Communication, Education, and Prevention Committee Approved

Common name of activity

activity type FRSC Fire Reporting Subcommittee Approved

Type of activity or event

actual completion date FMC Fuels Management Committee Approved

Date when treatment was physically completed

angle GSC Geospatial Subcommittee Approved

Angle of point symbol displayed in mapping application

apparatus identifier ETC Equipment Technology Committee Approved

The alphanumeric characters assigned to an apparatus.

apparatus number NCSC National Coordination System Committee Archived

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

at incident NCSC National Coordination System Committee Proposed New

The resource is committed and at the assigned incident.

available Proposed New

The resource can be used to fill a request. Resources on preposition incidents qualify as available.

complex identifier FRSC Fire Reporting Subcommittee Approved

The Globally Unique Identifier (GUID) of the complex.

complex name FRSC Fire Reporting Subcommittee Approved

The name of the complex that the fire is assigned.

cost IBC Incident Business Committee Grandfathered

The dollar amount associated with an incident.

country DMC Data Management Committee Approved

A nation with its own government, occupying a particular territory.

country code DMC Data Management Committee Approved

Short alphanumeric identification code for countries and dependent areas.

country subdivision DMC Data Management Committee Proposed New

Political subdivisions that fall within a country

county code (Point of Origin) (POO) Approved

The County Code identifying the county or equivalent entity at point of origin designated at the time of collection. Point of origin is the location where a competent ignition source came into contact with the material first ignited and sustained combustion occurred.

create date GSC Geospatial Subcommittee Approved

Date the feature was created.

create name (feature class) GSC Geospatial Subcommittee Approved

Name of the person creating the feature.

created by system DMC Data Management Committee Approved

System that created the data record.

created on date time DMC Data Management Committee Grandfathered

Date and time the event record was created

date current (geospatial data) GSC Geospatial Subcommittee Approved

The last edit, update, of this GIS record.

date-time DMC Data Management Committee Approved

The combination of date and time elements.

datum (Point of Origin) (POO) Approved

The datum associated with the coordinates that identify the point of origin. Point of origin is the location where a competent ignition source came into contact with the material first ignited and sustained combustion occurred.

delete this GSC Geospatial Subcommittee Approved

An attribute flag to tell editors to remove a feature added in error.

demob en route Proposed New

The resource is no longer assigned to an incident and travel has started, but the resource has not yet arrived home.

dispatch center IBC Incident Business Committee, NCSC National Coordination System Committee Approved

An organization from which resources are ordered, mobilized or assigned to an incident and/or demobilized. The center may process requests, coordinate response, or track resources and information under the delegation of its benefiting agency(s).

dispatch center area NCSC National Coordination System Committee Approved

Name of the Dispatch Area or Zone

dispatch center location NCSC National Coordination System Committee Approved

The city and state of the dispatch center

dispatch center name NCSC National Coordination System Committee Approved

Name of the dispatch center

dispatch center unit identifier NCSC National Coordination System Committee Approved

Unit Identifier for the dispatch center

dispatch tier NCSC National Coordination System Committee Approved

Levels of the wildland fire dispatch and coordination system

edit name (feature class) GSC Geospatial Subcommittee Approved

Name of the person editing the feature.

elevation feet In Development

A geographic location's height above or below a fixed reference point

estimated containment date FRSC Fire Reporting Subcommittee Approved

The expected containment or completion date of the incident.

estimated incident cost IBC Incident Business Committee Approved

Estimated dollar amount associated with an incident.

event (generic) NCSC National Coordination System Committee Approved

A generic term that relates to both planned and unplanned response activities by the interagency wildland fire community.

experience IOSC Incident Operations Subcommittee Proposed New

Documented performance in a position.

extreme fire behavior FBSC Fire Behavior Subcommittee Approved

Extreme implies a level of fire behavior characteristics that ordinarily precludes methods of direct control action. One or more of the following is usually involved: high rate of spread, prolific crowning and/or spotting, presence of fire whirls, strong convection column. Predictability is difficult because such fires often exercise some degree of influence on their environment and behave erratically, sometimes dangerously. 

feature access GSC Geospatial Subcommittee Approved

Determines who or what groups can view a particular feature.

feature category GSC Geospatial Subcommittee Approved

Type of wildland fire polygon or unburned areas

final acres Approved
final fire size FRSC Fire Reporting Subcommittee Approved

Number of acres within the final fire perimeter of a specific, individual incident, including unburned and unburnable islands.

fire cause CEPC Communication, Education, and Prevention Committee, WFISC Wildland Fire Investigation Subcommittee Approved

Agency or circumstance which started a fire or set the stage for its occurrence; source of a fire's ignition. For statistical purposes fires are grouped into broad cause classes. The nine general causes used in the U.S. are lightning, campfire, smoking, debris burning, incendiary, machine use (equipment), railroad, children, and miscellaneous. 

fire cause class WFISC Wildland Fire Investigation Subcommittee Approved

Any class into which wildland fires are grouped according to their origin.

fire discovery date time FRSC Fire Reporting Subcommittee Approved

The date and time a fire was discovered or confirmed to exist.

fire intensity level code (Point of Origin) (POO) Approved

An expression of fire intensity based on observed and/or calculated flame lengths representative across the immediate vicinity of the point of origin during the initial response. Point of origin is the location where a competent ignition source came into contact with the material first ignited and sustained combustion occurred. Fire intensity levels (FILs) provide "an expression of fireline intensity, based on typical and/ or calculated flame length of a fire behavior condition. FILs are used in the analysis to reflect the differences in difficulty of suppression and fire effects on natural and cultural resources." (Ref. FSH5109.19 ch40.5 9/85)

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NWCG Latest Announcements

NEW! Air Operations Summary (ICS 220 WF) Now Available

Date: May 2, 2025
Questions?  Please contact:
National Interagency Aviation Committee

The Air Operations Summary (ICS 220 WF) provides the Air Operations Branch with the number, type, location, and specific assignments of helicopters and air resources. The new ICS 220 WF also includes medical extraction capabilities and air resources tracking.

Understanding the capabilities of aviation assets is critical for effective medical and extraction responses. Coordination with the Medical Unit Leader is essential to ensure alignment and consistency between the ICS 220 WF and the Medical Plan (ICS 206 WF). 

References:

Air Operations Summary (ICS 220 WF)

National Interagency Aviation Committee

Incident Command System (ICS) Forms

Incident Position Standards and Next Generation Position Task Book Available for Firing Boss, Single Resource

Date: April 30, 2025
Questions?  Please contact:
Fuels Management Committee

NWCG is excited to announce that the NWCG Incident Position Standards for Firing Boss, Single Resource, PMS 350-105, and the NWCG Position Task Book for Firing Boss, Single Resource (FIRB), PMS 311-105, are now available. 

These resources, part of the Performance Support Package developed through the Incident Performance and Training Modernization (IPTM) effort, support trainees, qualified personnel, and evaluators. 

Any changes to qualification pathways will take effect with the next update of the NWCG Standards for Wildland Fire Position Qualifications, PMS 310-1.

 

References:

NWCG Firing Boss, Single Resource Position Page

NWCG Incident Position Standards for Firing Boss, Single Resource, PMS 350-105

NWCG Position Task Book for Firing Boss, Single Resource (FIRB), PMS 311-105

Incident Position Standards and Next Generation Position Task Book Available for Helicopter Crewmember

Date: April 28, 2025
Questions?  Please contact:
Interagency Helicopter Operations Subcommittee

NWCG is excited to announce that the NWCG Incident Position Standards for Helicopter Crewmember, PMS 350-22, and the NWCG Position Task Book for Helicopter Crewmember (HECM), PMS 311-22, are now available.

These resources, part of the Performance Support Package developed through the Incident Performance and Training Modernization (IPTM) effort, support trainees, qualified personnel, and evaluators.

Any changes to qualification pathways will take effect with the next update of the NWCG Standards for Wildland Fire Position Qualifications, PMS 310-1.

References:

NWCG Incident Position Standards for Helicopter Crewmember, PMS 350-22

NWCG Incident Position Standards for Helicopter Crewmember, PMS 350-22

NWCG Position Task Book for Helicopter Crewmember (HECM), PMS 311-22

Updated NWCG Standards for Fire Unmanned Aircraft Systems Operations, PMS 515

Date: April 23, 2025
Questions?  Please contact:
Interagency Fire Unmanned Aircraft Systems Subcommittee

The NWCG Standards for Fire Unmanned Aircraft Systems Operations, PMS 515 standardizes processes and procedures for the interagency use of Unmanned Aircraft Systems (UAS), including pilot inspections and approvals. This updated publication provides the aviation community with standards to ensure UAS are used safely, effectively, and efficiently in support of fire management goals and objectives.

References:

NWCG Standards for Fire Unmanned Aircraft Systems Operations, PMS 515

NWCG National Interagency Aviation Committee