Rocky Mountain Research Station Publications

RMRS Online Publication
INT-RP-438: Predicting behavior and size of crown fires in the Northern Rocky Mountains


Rothermel, Richard C. 1991. Predicting behavior and size of crown fires in the Northern Rocky Mountains. Res. Pap. INT-438. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 46 p.

Describes methods for approximating behavior and size of a wind-driven crown fire in mountainous terrain. Covers estimation of average rate of spread, energy release from tree crowns and surface fuel, fireline intensity, flame length, and unit area power of the fire and ambient wind. Plume-dominated fires, which may produce unexpectedly fast spread rates even with low ambient windspeeds, are covered and supplemental methods suggested for estimating their occurrence. The spread information can be used to estimate and map fire area and perimeter.

Keywords: rate of spread, fireline intensity, flame length, energy release, power, fire model, crown fire, fire size


About PDFs: For best results, do not open the PDF in your Web browser. Right-click on the PDF link to download the PDF file directly to your computer. Click here for more PDF help or order a printed copy of this publication.

The PDF below was scanned and converted to text. Some errors may occur.


Download INT-RP-438
http://www.fs.fed.us/rm/pubs_int/int_rp438.pdf

PDF File Size: 3.3 MB


Title: INT-RP-438: Predicting behavior and size of crown fires in the Northern Rocky Mountains
Electronic Publish Date: March 20, 2007
Last Update:
March 20, 2007

RMRS Publications | Order a publication | Contact Us