The Yellowstone fires of 1988 were the worst in the recorded history of the national park . They lasted from June 14 to September 11 , when rain and snow helped halt the spread of the fires . The area affected by the fire was estimated to be 3,213 square kilometers – 36 % of the park . Landsat Imagery was used for the area estimation , and it also helped determine the reasons why the fire spread so quickly
Yellowstone fires of 1988
Yellowstone fires of 1988
Landsat program