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MODULE 02 // FIRE SCIENCE // AUTO-GENERATED 2026-07-24

🔥 Ten Mile Wildfire Oregon: Rapid Fire Spread and Smoke Hazard

Fast-moving wildfire near Jefferson, Oregon burns through drought-stressed juniper and ponderosa pine on July 23, 2026. Communities evacuating; smoke impacts multi-state region.

SOURCE USGS · NASA · NOAA
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// MODULE 02 // FIRE SCIENCE — AUTO-PUBLISHED July 24, 2026

A fast-moving wildfire ignited near Ten Mile, Jefferson County, Oregon on July 23, 2026, threatening rural communities in central Oregon's high-desert landscape.

The Ten Mile Fire burns in a region characterized by ponderosa pine, juniper, and sagebrush—vegetation highly susceptible to rapid combustion during summer drought conditions. Oregon's 2026 fire season has been intensified by above-normal temperatures and below-normal precipitation, creating ideal conditions for fire spread. Communities within 15 miles of the fire perimeter, including rural homesteads and small ranches near Jefferson, face immediate evacuation orders as wind-driven flames advance eastward.

THE SCIENCE

Wildfires in Oregon's interior plateau region spread rapidly due to low fuel moisture content and strong afternoon wind systems that channel through volcanic canyons. The Ten Mile Fire operates in terrain where summer relative humidity often drops below 20%, accelerating ignition and flame propagation. At 44.796°N, -121.014°W, elevation ranges from 2,500 to 3,500 feet—a zone where ponderosa pine and juniper crowns create continuous fuel ladders that allow fire to climb from ground to canopy in seconds.

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Fuel Composition
Dense juniper and ponderosa pine with low moisture content ignite readily and sustain rapid fire spread across sagebrush understory.
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Scale & Speed
Wildfires in this region can expand 1–3 miles per day under drought stress and afternoon wind acceleration patterns.
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Regional Context
Central Oregon's 2026 fire season reflects Pacific Northwest multi-year drought, with 60+ active fires statewide competing for resources.

HOW PANDITA DATA TRACKS THIS

Pandita's real-time wildfire simulation integrates USGS Landsat thermal signatures, NOAA wind field forecasts, and local fuel moisture data to model fire perimeter expansion and smoke dispersion. Satellite-detected hotspots update every 15 minutes, revealing active flame fronts and backing fires. Wind vectors from NOAA GFS grid data drive fire behavior prediction, showing how afternoon heating intensifies upslope winds that accelerate the fire toward Jefferson.

Oregon Wildfire Context

Central Oregon experiences 40–80 large fires annually. The Ten Mile Fire occurs in the Deschutes National Forest zone, where August typically peaks in fire activity. Air quality impacts extend 50+ miles downwind; Portland metro may experience moderate to hazardous smoke.

EMERGENCY PREPAREDNESS

1
Evacuation & Air Quality
Residents in Jefferson County Level 3 evacuation zones must leave immediately. Monitor OregonLive.com for real-time alerts. If sheltering in place, use HEPA filters and seal windows; N95 masks reduce PM2.5 inhalation during smoke events.
2
Defensible Space
Remove dead vegetation, thin tree spacing to 10+ feet apart, and clear gutters of needles to reduce home ignition risk from firebrands.
3
Go-Bag Essentials
Pack medications, ID, irreplaceable documents, cash, phone chargers, and 72-hour water/food supply. Store in vehicle if evacuation ordered.

Track the Ten Mile Fire's real-time perimeter, smoke plume, and wind-driven spread using Pandita Data's wildfire simulation module—updated hourly with USGS thermal and NOAA meteorological data.

FREQUENTLY ASKED QUESTIONS

What is driving this wildfire?
Central Oregon's 2026 drought, low fuel moisture (10–15%), and afternoon upslope winds accelerate fire spread through juniper and ponderosa pine forest.
How far has the fire spread and who is at risk?
As of July 23, the Ten Mile Fire threatens Jefferson County communities within 15 miles. Smoke impacts extend to Portland metro; air quality hazardous for vulnerable populations.
What should residents near this fire do immediately?
Obey Level 3 evacuation orders without delay. Use N95 masks for smoke; seal windows with HEPA filters. Monitor OregonLive alerts; store go-bag with meds, ID, water, and 72-hour supplies.
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