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Lightning-Ignited Wildfires in the Western United States: Ignition Precipitation and Associated Environmental Conditions

Year of Publication
2023
Publication Type
Journal Article
Cloud-to-ground lightning with minimal rainfall (“dry” lightning) is a major wildfire ignition source in the western United States (WUS). Although dry lightning is commonly defined as occurring with <2.5 mm of daily-accumulated precipitation, a rigorous quantification of precipitation amounts concurrent with lightning-ignited wildfires (LIWs) is lacking.

Location, timing and extent of wildfire vary by cause of ignition

Year of Publication
2015
Publication Type
Journal Article

The increasing extent of wildfires has prompted investigation into alternative fire management approaches to complement the traditional strategies of fire suppression and fuels manipulation. Wildfire prevention through ignition reduction is an approach with potential for success, but ignitions result from a variety of causes.

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