Mailbox Fire, Sanderson, Florida

True view Fire view

⟷

True view (left): as the eye sees it.
Fire view (right): infrared (SWIR), sees through smoke and brings out the heat.

🟢 green = vegetation
🟤 brown = already burned
🟠 orange = fire right now

Drag to compare: normal photo on the left, heat brought out on the right.

Green: vegetationBrown: already burnedOrange: fire right nowSentinel-2 · Copernicus

Key facts

Source: NIFC

Location7 miles south of Taylor, FL

What's burningSouthern Rough

How it's behavingMinimalSmoldering — Burning without flame, in the ground or in roots. Can flare up days later.Backing — Moves against the wind or downhill, which makes it slower.

ComplexityType 4 IncidentOfficial scale from 5 to 1: a Type 1 is the most complex in the country.

JurisdictionUSFS · Federal land

Cost so far$2.6 million

Glossary: what each term means

Minimal

Barely moving. Low, thin smoke.

Smoldering

Burning without flame, in the ground or in roots. Can flare up days later.

Creeping

Moves slowly, hugging the ground.

Moderate

Spreads with low, steady flames.

Active

Spreading evenly and steadily, with visible flame.

Extreme

Fast and unpredictable.

Running

Runs along the ground much faster than a person walks.

Flanking

Grows along the sides, not head-on.

Backing

Moves against the wind or downhill, which makes it slower.

Crowning

Climbs into the treetops and jumps crown to crown. It can't be attacked from the ground.

Short Crown Runs

Climbs into the crowns in bursts and drops back down.

Torching

Whole trees flaring up like torches.

Isolated Torching

Single scattered trees flaring up whole, like torches.

Group Torching

Whole clumps of trees flaring at once.

Spotting

Wind carries embers through the air and starts new fires ahead of the front: that is how a fire jumps a road or a firebreak.

Wind Driven Runs

The wind pushes it in long runs in one direction.

The ones marked ● are the behaviors that make a fire harder to stop. They are not a warning or an instruction: they are the description written by the agency in charge. For decisions, always follow your emergency services.

The story so far

Summary written on Sep 4, while the fire was still active. It has since ended — the figures above are current.

Burning through southern rough across federal land in Baker County, the Mailbox Fire near Sanderson, Florida, has spent sixty days on the landscape, averaging an approximate daily growth of seven acres per day. The incident, managed by the USFS with a Type 3 Team and a single personnel, has grown to 409 acres and reached 100 percent containment with a fire behavior characterized as minimal, smoldering, and backing.

This wildfire has accumulated a total cost of $2,575,000 as a Type 4 Incident. Its progression occurs against the backdrop of the region's typical fire season, which runs from June to October.

Nationwide, the broader wildfire context shows that 3,177,542 hectares have burned so far in 2026, marking a figure that is 42 percent below the two-decade average.