Fyu Ne 50 Fire

1988132,474 acresAlaska

The Fyu Ne 50 Fire burned 132,474 acres, about 207 square miles, across Yukon-Koyukuk Census Area. It began on June 27, 1988.

Watch how it happened

Fyu Ne 50 Fire · 1988

How it happened

See how severely each place burned, revealed outward from where it started.

About this replay
IgnitionJune 27, 1988Historical replay — order not recorded
Final area132,474 ac
Revealed—
Counties1

How severely it burned

Burn severity inside the final perimeter, classified from Landsat images taken before and after the fire.

Map of burn severity across the Fyu Ne 50 Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered18%23,274
Moderatemixed: many trees killed, some survive36%47,426
Lowsurface fire, most trees survive29%38,905
Unburned to lowislands inside the perimeter, little change16%21,485
Increased greennessvegetation greener after the fire than before0.1%175
Not mappedcloud, shadow or water in the satellite images0.9%1,208

18% of the area inside the perimeter burned at high severity, about 23,274 acres; 53% burned at moderate or high severity.

Monitoring Trends in Burn Severity (U.S. Geological Survey and USDA Forest Service). Classes come from the change in a Landsat burn index (dNBR) between images before and after the fire; acres are each class’s share of the fire’s mapped area.

Where it burned

Acres inside each county, measured from the satellite-mapped perimeter.

Acres burned by county
Yukon-Koyukuk Census AreaAK132,517

Other large fires in Alaska in 1988

Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.