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Idaho Fire Incident Map

Monday, June 15, 2015

Understanding the Information Provided in the National Incident Management Situation Report (IMSR)

The national Incident Management Situation Report (IMSR) provides a synopsis of national wildland fire activity that occurred the previous day (or week during weekly reporting). It also reports non-fire incidents whenever a significant number of wildland fire resources are committed to these incidents. The report is produced daily at national Preparedness Level 2 and above, or whenever activity warrants daily reporting. The IMSR is produced weekly during periods of minimal or low fire activity (at Preparedness Level 1). The report is posted to the web at 5:30 a.m. Mountain Time during daily reporting, or 8:00 a.m. Mountain Time during weekly reporting periods. The IMSR is comprised of five sections: header table showing national fire activity and special statements (if any); individual significant fire summaries for Geographic Areas experiencing significant fire activity; an Active Incident Resource Summary which tracks fires and resources assigned nationally; and tables containing daily and year to date statistics by Geographic Area and agency; a national weather statement and a 6 Minutes for Safety topic.

The IMSR document is produced by the Predictive Services Intelligence Section at the National Interagency Coordination Center (NICC), a branch of the National Interagency Fire Center (NIFC) in Boise, Idaho. Information included in the IMSR comes from a variety of sources. All wildland fire activity information comes from Situation Reports and Incident Status Summary (ICS-209, or "209") reports submitted in the Sit-209 program within the Fire and Aviation Management Web applications system (FAMWEB). This includes current fires and acres and large incident information from 209 reports, as well as year to date fire and acre totals for each Geographic Area and agencies. The Predictive Services weather discussion is prepared by a Predictive Services meteorologist at the NICC. The 6 Minutes for Safety topic comes from the 6 Minutes for Safety web page (

Title information at the top of the IMSR includes the national preparedness level (PL), which is determined by fire activity levels, number and kind of resources committed to incidents, and other factors. More about preparedness levels can be found at:

Fires that meet the national significant fire criteria are reported in the IMSR under the Geographic Area that the fire occurs within. The NICC criteria for significant fires are those that exceed 300 acres in grass and brush fuels (fuel models 1 through 7), 100 acres in timber fuels (fuel models 8 through 13), or have a Type 1 or 2 team assigned. Non-fire incidents will be reported if a significant number of wildland fire fighting resources are assigned. Fire and non-fire incidents must submit an ICS-209 to be included in the IMSR (if the incident meets the above size and complexity criteria).

The national fire activity table at the top of the IMSR provides a synopsis of activity that occurred since the last IMSR report was produced. It shows the national initial attack activity level, the number of new fires reported, the number of new significant fires (denoted by an asterisk), the number of
new significant fires (denoted by an asterisk), the number of contained and uncontained significant fires, and the number of incident management teams assigned.