The Moderate Resolution Imaging Spectroradiometer (MODIS) displays fire detection data and uses fire and thermal anomalies data compiled via MODIS satellites Terra and Aqua. But because of the distance of the satellites, the nature of the measurements and obfuscation by smoke, the resolution is coarse and not 100 percent accurate. CalFire and others use this data to help identify fires and their hot spots. They are an approximation and do not include all areas affected by fire, nor do they indicate with certainty an area was affected.

The perimeters are intended to provide a picture of the scope and extent of the fires in California, as well as parts of Nevada and Oregon, with the most current data possible. Perimeters are not available for every incident.įire perimeters for incidents before Jare based on infrared and thermal imaging from NASA's MODIS and VIIRS-I products. Perimeters do not include prescribed or incident complex fires. This map displays all current wildfire fire perimeters available through NIFC that have not been 100% contained. Fire Perimetersįire perimeters are based on geographic data from the National Interagency Fire Center, updated once an hour. Butte/Tehama/Glenn Lightning Complex (Butte Zone)Ĭamp Fire Visual Essay: A ballet rises from the ashes in fire scarred Paradise About this data Methodologyįires are labeled when they are larger than 500 acres, cause damage to property, or when people are injured or killed as a result of the fire.

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