NFIRS 5.0 Element: ‘Fire Danger Rating’

Définition : Fire danger rating refers to one method of describing the wildfire threat in a particular area, based on the NFDRS. It is derived from both constant and variable fire danger factors that affect the ignition, spread, and difficulty of control of fires and the damage they cause. Factors considered when estimating the fire danger are temperature, relative humidity, wind speed, fuel type, and fuel moisture.
Purpose : This information is used in fire prevention activities to determine when fires are most likely to occur and their severity. Burning bans and park or forest closures or restrictions may be invoked based on the fire danger rating. It is also useful in pre-suppression planning to determine staffing levels and critical initial attack times.
Entry : Enter the code and description that best describes the fire danger.

Element Specification

 Specification   Value 
Requirement Optional
Expected Length 1
Element Type Coded Field – The coded field relating to an entry in the code table. Most coded fields allow for Plus+ One codes. For these fields the expected length of the coded entry is depicted as (National length OR Plus+ One length). Only fields with this notation in the expected length column allow for Plus+ One definitions. If the user has not provided information, an empty field should be transmitted.


Here are the NFIRS codes for the ‘Fire Danger Rating’ element

Fire Danger Rating  Code 
Low Fire Danger 1
Moderate Fire Danger 2
High Fire Danger 3
Very High Fire Danger 4
Extreme Fire Danger 5
Undetermined U

Topic: NFIRS

Last Updated on March 25, 2023