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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
evaluation timestamp (resource) IPSC Incident and Position Standards Committee

The date/time the trainee experience was evaluated.

evaluator IPSC Incident and Position Standards Committee Approved

The individual who is qualified in the position being evaluated, or supervises the position being evaluated, having responsibility for observing task(s) being performed and documenting successful performance for agency certification or re-certification. Evaluator responsibilities must remain separate from the individual assigned as Trainer/Coach. 

evaporation FWS Fire Weather Subcommittee Approved

The transformation of a liquid to its gaseous state; heat is released by the liquid during this process.

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.

event (planned) NIMSIC National Incident Management System Integration Committee Approved

An incident that is a scheduled non-emergency activity (e.g., sporting event, concert, parade).

event category NCSC National Coordination System Committee Approved

Identifies the types of incidents and planned events to which the interagency wildland fire community responds.

event category code NCSC National Coordination System Committee Approved

A code and description that identifies the types of incidents and planned events to which the interagency wildland fire community responds.

event kind
event kind code NCSC National Coordination System Committee Approved

A general, high-level code and description of the types of incidents and planned events to which the interagency wildland fire community responds.

evidence protection area WFISC Wildland Fire Investigation Subcommittee Approved

An area where evidence or potential evidence is or may be located and should be secured and protected from unauthorized entry.

exempt / nonexempt IBC Incident Business Committee Approved

Categories of employees as defined in the Fair Labor Standards Act (FLSA), who are either covered or exempted from coverage under the ActPay entitlements vary depending on the employee's FLSA status.

exhaust particles CEPC Communication, Education, and Prevention Committee In Development

Diesel carbon is bound together with polymeric lubricant resins and form particles with pumice-like, granular, or flaky appearence which is often sooty or oily.

exhaust primer ETC Equipment Technology Committee Approved

Device which uses the exhaust gas flow of an engine for priming a centrifugal pump.

exhaust system CEPC Communication, Education, and Prevention Committee In Development
expanded dispatch IBC Incident Business Committee Approved

An organization needed to support an incident which expands along with the Incident Command System.

expanded scope of practice EMC Emergency Medical Committee Approved

Skills and interventions not included in the National EMS Scope of Practice Model necessary for EMS professionals functioning in health care settings other than typical pre-hospital emergency care including, but are not limited to, emergency departments, physician’s offices, urgent care settings, occupational medicine, summer camps, wildland fire medical units, disasters, etc.

expansion ETC Equipment Technology Committee Approved

The ratio of the volume of the foam in its aerated state to the original volume of the non-aerated foam solution.

expansion ring MFES Mobile Fire Equipment Subcommittee Approved

Thin brass or aluminum ring that is used to seat the hose jacket to the coupling and hose bowl gasket forming a secure, watertight seal.

experience IOSC Incident Operations Subcommittee Proposed New

Documented performance in a position.

experience from date IPSC Incident and Position Standards Committee Approved

The time when the Experience began.

experience to date IPSC Incident and Position Standards Committee Approved

The time when the Experience ended.

expert witness WFISC Wildland Fire Investigation Subcommittee Approved

Someone with sufficient skill, knowledge, or experience in a given field so as to be capable of drawing inferences or reaching conclusions or opinions that an average person would not be competent to reach. The expert's opinion testimony should aim the judge or jury in their understanding of the fact at issue. 

exploding target shooting CEPC Communication, Education, and Prevention Committee Superceded
exploding targets
explosives or electrical danger (event) NCSC National Coordination System Committee Approved

An event dealing with the various situations that arise as a result of an explosion, presence of an explosive device, or electrical hazard - no fire. 

exposed side WFISC Wildland Fire Investigation Subcommittee Approved

The side of an object facing the oncoming fire.

exposure (direction) FENC Fire Environment Committee Approved

Direction in which a slope faces, usually with respect to cardinal directions.

exposure (openness) FENC Fire Environment Committee Approved

The general surroundings of a site with special reference to its openness to winds.

exposure (threatened) FENC Fire Environment Committee Approved

Property that may be endangered by a fire burning in another structure or by a wildfire.

exposure fire IOSC Incident Operations Subcommittee Approved

Classification for a fire not originating in a building, but which ignites building(s). A fire originating in one building and spreading to another is classified under the original cause of fire.

extend ETC Equipment Technology Committee Approved

To drop retardant in such a way that the load slightly overlaps and links a previous drop. "Extend your last drop."

extended attack IOSC Incident Operations Subcommittee Approved

Actions taken on a wildfire that has exceeded the initial response.

extended attack incident IOSC Incident Operations Subcommittee Approved

An incident that exceeds the capability of the initial attack resources and/or organization to successfully manage the incident to conclusion.

exterior fire protection IOSC Incident Operations Subcommittee Approved

The protection of structures from the exterior, with no interior access or activity.

external load NIAC National Interagency Aviation Committee Approved

A load that is carried or extends outside of the aircraft fuselage.

external payload NIAC National Interagency Aviation Committee Approved

Maximum external stress load (in pounds) with full fuel and pilot in calm air at standard atmospheric temperature.

extinguishing agent ETC Equipment Technology Committee Approved

Substance used to put out a fire by cooling the burning material, blocking the supply of oxygen, or chemically inhibiting combustion.

extra burning period IOSC Incident Operations Subcommittee Approved

For any particular fire which is neither contained nor controlled, any 24-hour period following the termination of the first burning period.

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. 

extrusion MFES Mobile Fire Equipment Subcommittee Approved

The formation of a desired shape by ejecting through a shaped opening.

exudate EMC Emergency Medical Committee Approved

Exuded matter; especially : the material composed of serum, fibrin, and white blood cells that escape from blood vessels into a superficial lesion or area of inflammation.

eyewitness WFISC Wildland Fire Investigation Subcommittee Approved

Person who sees evidence of criminal activity, actual commission of a crime or a criminal fleeing a crime scene.

Facilities Unit NIMSIC National Incident Management System Integration Committee Approved

Facilities Unit staff set up, maintain, and demobilize all facilities used in support of incident operations. This staff provides facility maintenance and law enforcement/security services needed for incident support. Facilities Unit staff set up the Incident Command Post (ICP), Incident Base, and camps (including trailers or other forms of shelter in and around the incident area) and ensure the maintenance of those facilities. This unit’s staff provide and maintain personnel support facilities, including areas for eating, sleeping, sanitation and showers, and staging. Staff in this unit order additional support items such as portable toilets, shower facilities, and lighting units through the Supply Unit.

fahrenheit FWS Fire Weather Subcommittee Approved

A temperature scale on which 320 F denotes the temperature of melting ice, and 2120 F the temperature of boiling water, both under standard atmospheric pressure.

failure to follow permit instruction CEPC Communication, Education, and Prevention Committee In Development
faller HTTFS Hazard Tree and Felling Subcommittee Approved

A person who fells trees.

faller module NCSC National Coordination System Committee, HTTFS Hazard Tree and Felling Subcommittee Pending Revision

Two agency qualified sawyers specially trained and equipped to conduct saw operations in moderate and high complexity situations.

False Alarm (FA) (event) NCSC National Coordination System Committee Approved

An event where a wildfire was initially suspected, but ultimately an ignition could not be located; or the basis for the initial report was subsequently attributed to a non-fire source, such as water vapor or vented industrial emissions. The key point here is No FIRE, an incident cannot be a false alarm if an ignition is located.

family liaison RMC Risk Management Committee Approved

The primary contact between the agency and the victim’s family

farming/ranching CEPC Communication, Education, and Prevention Committee In Development

Activities related to the cultivation of crops or raising of livestock.

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How to Print or Download Glossary of Wildland Fire, PMS 205

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NWCG Latest Announcements

NWCG Fire Prevention Education Team Host Unit Guide, PMS 464 and NWCG Fire Prevention Education Team Guide, PMS 474

Date: July 10, 2023
Contact: Fire Prevention Education Team Subcommittee (FPETSC)

 

Two new publications from the Fire Prevention Education Team Subcommittee (FPETSC) are now available. The NWCG Fire Prevention Education Team Host Unit Guide, PMS 464, aids the interaction between host units requesting Fire Prevention Education Teams (FPETs) and the FPET itself and second, to clarify the different aspects of logistics, operations, information, safety, and business and finance support needed for FPETs.


The NWCG Fire Prevention Education Team Guide, PMS 474, provides information and guidance for successful use, management, and outcomes for FPET assignments and highlights the responsibilities and protocols related to FPETs.

References:

NWCG Fire Prevention Education Team Host Unit Guide, PMS 464

NWCG Fire Prevention Education Team Guide, PMS 474

Unmanned Aircraft System (UAS) Incident Replacement Guidance, Memo 23-09

Date: June 30, 2023
Contact: Incident Business Committee (IBC)

Currently, a fleet rate has not been established for agency or cooperator owned UAS. Most UAS and related support equipment are purchased and maintained at a local unit level with base funding. Therefore, unlike manned aircraft, a daily availability rate or applicable hourly flight rate for operations is not being assessed when a UAS is assigned to an incident. Incident replacement guidance for UAS is outlined is memo 23-09.

References:

Memo 23-09

NWCG Standards for Airtanker Base Operations, PMS 508

Date: June 30, 2023
Contact: Interagency Airtanker Base Subcommittee (IABS)

The updated 2023 NWCG Standards for Airtanker Base Operations (SABO), PMS 508 standardizes operations and procedures at interagency airtanker bases to ensure safe, efficient, and effective operations in support of interagency goals and objectives.

References:

6 Minutes for Safety - Week of Remembrance June 30 -July 6

Date: June 29, 2023
Contact6MFS Subcommittee

As we approach the Week of Remembrance (June 30 - July 6), we all take a moment to reflect on the wildland fire incidents that took the lives of many of our brothers and sisters. Today, the 6 Minutes For Safety Subcommittee issued a letter to leadership to honor the fallen and to express the importance of lessons learned, checking in with your wildland fire families, and prioritizing the people who serve in the important mission of fighting wildland fire.

References:

6MFS Week of Remembrance