Grayling Creek Fire

201931,203 acresAlaska

The Grayling Creek Fire burned 31,203 acres, about 49 square miles, across Yukon-Koyukuk Census Area. It began on July 10, 2019.

Watch how it happened

Grayling Creek Fire · 2019

How it happened

Watch it burn in the order satellites saw it, coloured by how severely each place burned.

About this replay
Date (UTC)—Historical replay
Burned so far—acres
High severity—of the area so far
Detections2,358satellite fire pixels

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 Grayling Creek Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered7.1%2,209
Moderatemixed: many trees killed, some survive35%10,797
Lowsurface fire, most trees survive31%9,722
Unburned to lowislands inside the perimeter, little change15%4,775
Increased greennessvegetation greener after the fire than before0.1%16
Not mappedcloud, shadow or water in the satellite images12%3,684

7% of the area inside the perimeter burned at high severity, about 2,209 acres; 42% 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 AreaAK31,220

Other large fires in Alaska in 2019

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