Alley Fire

198551,459 acresFlorida

The Alley Fire burned 51,459 acres, about 80 square miles, across Broward County. It began on February 25, 1985.

Watch how it happened

Alley Fire · 1985

How it happened

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

About this replay
IgnitionFebruary 25, 1985Historical replay — order not recorded
Final area51,459 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 Alley Fire
Burn severity by class
SeverityShareAcres
Lowsurface fire, most trees survive75%38,403
Unburned to lowislands inside the perimeter, little change0.1%75
Not mappedcloud, shadow or water in the satellite images25%12,980

Most of the area inside the perimeter burned at low severity or not at all.

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
Broward CountyFL51,503

Other large fires in Florida in 1985

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