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Yellowstone National ParkBull moose grazing in stream.
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Yellowstone National Park
Fire Facts
  • In an average year approximately 24 fires are ignited in Yellowstone by lightning.
  • About 83% of naturally ignited fires in Yellowstone never reach more than 0.5 hectare (1.2 acre) in size.
  • About 94% of fires in Yellowstone never burn more than 40 hectares (100 acres).
  • In Yellowstone, on average, fires are detected at 3:03 in the afternoon-- fires burn most vigorously during the heat of the day, causing tall smoke plumes to be seen by fire lookouts or sharp-eyed park visitors.
Seventh Cavalry Ensignia Pin.  

Did You Know?
Prior to the establishment of the National Park Service, the U.S. Army protected Yellowstone between 1886 and 1918. Fort Yellowstone was established at Mammoth Hot Springs for that purpose.

Last Updated: June 18, 2007 at 10:29 EST