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The Haines Index is a relative measure of the chance that atmospheric conditions will contribute to the development of a large or erratic plume dominated fire. This atlas shows patterns and statistics related to the Haines Index for North America based on observations from 1961 through 1990. The maps provide important context for fire weather forecasters, fire behavior analysts and other individuals concerned about fire weather when they are evaluating current conditions. Without such context, it is difficult to know whether the current weather indicates an above normal, typical, or below normal potential for large fire at a given location. This site also includes some examples of how one might use this atlas, and a glossary of terms used. |
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