A publication of the
National Wildfire
Coordinating Group

Fire Behavior 
Field Reference Guide

PMS 437                                                                                                  December 2017  

Fire Behavior Field Reference Guide

PMS 437

This product is available electronically at: https://www.nwcg.gov/publications and on the web at http://www.fbfrg.org/

Sponsored for National Wildfire Coordinating Group (NWCG) publication by its Fire Environment Committee (FENC). Prepared and maintained by the Fire Behavior Subcommittee (FBSC). 

Comments or questions regarding the content of this product should be directed to the appropriate agency representative or chair of the NWCG Fire Behavior Subcommittee (https://www.nwcg.gov/committees/fire-behavior-subcommittee), National Interagency Fire Center, 3833 S Development Ave, Boise ID 83705. Questions and comments may also be emailed to BLM_FA_NWCG_Products@blm.gov

Previous editions: 1992, 2001, 2014. 1992 edition was maintained and published through National Advanced Resources Technology Center (NARTC, currently known as the National Advanced Fire and Resource Institute (NAFRI)). 2001 and 2014 editions published by NWCG.  While they may still contain current or useful information, previous editions are obsolete. The user of this information is responsible for confirming that they have the most up-to-date version. NWCG is the sole source for the publication. 

The National Wildfire Coordinating Group (NWCG) has approved the contents of this product for the guidance of its member agencies and is not responsible for the interpretation or use of this information by anyone else.

Publications and training materials produced by NWCG are in the public domain. Use of public domain information, including copying, is permitted. Use of NWCG information within another document is permitted if NWCG information is accurately credited to NWCG. The NWCG logo may not be used except on NWCG authorized information. “National Wildfire Coordinating Group,” “NWCG,” and the NWCG logo are trademarks of NWCG.

The use of trade, firm, or corporation names or trademarks in this product is for the information and convenience of the reader and does not constitute an endorsement by the National Wildfire Coordinating Group or its member agencies of any product or service to the exclusion of others that may be suitable.

The National Wildfire Coordinating Group (NWCG) provides national leadership to enable interoperable wildland fire operations among federal, state, tribal, territorial, and local partners. NWCG operations standards are interagency by design; they are developed with the intent of universal adoption by the member agencies. However, the decision to adopt and utilize them is made independently by the individual member agencies and communicated through their respective directives systems.

Robert Ziel,
Dec 13, 2017, 1:05 AM