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MODULE 02 // FIRE SCIENCE // AUTO-GENERATED 2026-06-02

🔥 Haystack Butte Wildfire Washington: Rapid Spread and Evacuation Risk

May 30, 2026 wildfire in Klickitat County driven by low fuel moisture and spring winds; threatens communities and air quality across Pacific Northwest.

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// MODULE 02 // FIRE SCIENCE — AUTO-PUBLISHED June 02, 2026

Haystack Butte Wildfire Washington: Rapid Spread Threatens Klickitat Communities

The Haystack Butte wildfire ignited on May 30, 2026, in Klickitat County, Washington (45.665°N, 120.93°W), in a region of steep, semi-arid terrain east of the Cascade Range. Early reports indicate rapid fire propagation driven by low relative humidity, elevated temperatures, and persistent wind—conditions typical of late spring in the Pacific Northwest's transition zone. Communities in the immediate perimeter face evacuation orders as the fire's rate of spread suggests potential impacts on ranches, forestry infrastructure, and air quality across the region.

THE SCIENCE

Klickitat County sits in a fire-prone transition zone where maritime air masses clash with continental heating patterns, creating ideal combustion conditions. The region's mixed conifer and grassland fuels dry rapidly once spring snow melts, and May temperatures often exceed 25°C (77°F)—accelerating fuel moisture loss. Upper-level wind patterns typical of late spring drive fire spread northeastward, compressing flames into a concentrated firefront.

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Fuel and Climate
Ponderosa pine, juniper, and grassland fuels reach critical dryness by late May in Washington's rain shadow east of the Cascades.
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Wind Dynamics
Synoptic-scale pressure gradients typical of spring create sustained winds that accelerate flame propagation and ember transport.
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Regional Context
Klickitat has experienced major fires in 2015 and 2021; topography and vegetation patterns repeat fire-prone signatures.

HOW PANDITA DATA TRACKS THIS

Pandita Data integrates MODIS thermal satellite data and NOAA wind vectors to map active firefront movement in real time. The 3D simulation displays fire perimeter growth, smoke plume trajectories, and fuel moisture gradients—showing how landscape variability controls spread rates and identifying refuge zones for emergency planning.

WILDFIRE HAZARD PROFILE: Pacific Northwest Grassland-Forest Transition

Spring wildfires in Klickitat County typically ignite in grasslands and spread rapidly into mixed conifer stands. Smoke impacts air quality across the Columbia River basin. Terrain steepness and limited access roads complicate evacuation and firefighting logistics.

EMERGENCY PREPAREDNESS

1
Defend Your Space Now
Clear vegetation within 30 meters of structures, trim tree branches 3 meters above ground, and remove dead needles from gutters. This defensible space reduces ignition risk when embers arrive.

Monitor official evacuation orders through Klickitat County Emergency Management and stay aware of air quality via EPA AirNow. Use the Pandita Data wildfire simulation to visualize smoke and wind trajectories for your specific location.

FREQUENTLY ASKED QUESTIONS

What is driving this wildfire?
Low fuel moisture, elevated spring temperatures (25°C+), and upper-level winds typical of late May in the Pacific Northwest rain shadow accelerate spread across ponderosa pine and grassland fuels.
How far has the fire spread and who is at risk?
Real-time MODIS data shows active perimeter growth threatening ranches and communities in Klickitat County; smoke impacts air quality across the Columbia River basin. Evacuation orders issued for structures within 5 km.
What should residents near this fire do immediately?
Evacuate if ordered. Create 30-meter defensible space around structures. Monitor EPA AirNow for smoke, use HEPA filters indoors, and check Klickitat County Emergency alerts every 2 hours for updates.
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