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Publication Information

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Title: Performance of the Haines Index During August 2000 for Montana

Author: Potter, Brian E.; Goodrick, Scott

Date: 2003

Source: In: Proceedings of the 4th Symposium on Fire and Forest Meteorology; 2001 November 13-15; Reno, NV. Boston, MA: American Meteorological Society: 233-236

Publication Series: Journal/Magazine Article (JRNL)

Description: The Haines Index, introduced by Haines (1988) as the Lower Atmosphere Severity Index, is designed to gauge how readily the lower mid-troposphere (500 to 4500 m AGL) will spur an otherwise fairly predictable fire to become erratic and unmanageable. Based on stability and moisture, the Haines Index (hereafter, HI) takes on integer values from 2 to 6, with 2 being very low risk and 6 being high risk. Since its introduction, several studies have examined the performance of the HI. Werth and Ochoa (1990) saw a positive correlation between daily rate of spread for the 1989 Lowman fire in Idaho and daily HI values. In a more qualitative sense, Saltenberger and Barker (1993) examined the 1990 Awbrey Hall Fire in Oregon, and noted that when the Index was high the fire displayed "extreme behavior.. . rapid growth" and when the index was low, the fire severity diminished.

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Potter, Brian E.; Goodrick, Scott 2003. Performance of the Haines Index During August 2000 for Montana. In: Proceedings of the 4th Symposium on Fire and Forest Meteorology; 2001 November 13-15; Reno, NV. Boston, MA: American Meteorological Society: 233-236

 


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