Fire Terms

Tuesday, September 7, 2021

9/7/2021 Twentyfive Mile Fire Update

Yesterday: Favorable weather conditions aided firefighters in successfully implementing burnout operations from the Slide Peak area south toward Stormy Mountain. These burning operations are implemented to allow fire to back from containment lines toward the active fire edge, consuming ground vegetation and creating a more defensible fire line.

While the fire was active in the Twenty-five mile drainage, north of Brennegan Creek, spread rates were low. Helicopters made bucket drops to delay the spread of the fire until line fortification efforts can be completed.

Today: Crews will hold, secure, and mop up areas of heat close to the containment line. Strategic burning operations will progress along the south and west containment lines as conditions such as humidity levels, winds, and fuel moisture permit. These burning operations will build on previous days’ gains.

Along the Lake Chelan corridor and First Creek subdivision, firefighters will continue to patrol. The fire has been quiet in this area for the past week and as confidence in containment increases, firefighters will begin pulling some of the nine miles of hose and the many pumps and other equipment.

Helicopters continue to support firefighters with reconnaissance, bucket drops and aerial ignition. If conditions allow, aerial ignition operations may take place to increase depth of the fire line. Boaters are reminded to steer clear of areas where aircraft are pulling water from Lake Chelan. 

Weather and Fire Behavior: Clear sunny skies are expected most of today, with possibility of cloud cover later in the day. The warming and drying trend continues, with upslope winds when wind alignment with terrain occurs. There may be visible smoke columns from both burnout operations and from fire burning in interior pockets where there are high amounts of dead and down vegetation.

Evacuations: Level 1 (Be Ready): All properties along South Lakeshore Road (from just north of Lake Chelan State Park to the end of the roadway), First Creek Road and Granite Falls Road. A map of current evacuation levels is available at: bit.ly/2WhU9Nu and additional information is available from Chelan County Emergency Management (facebook.com/ccsoem/). 

Closures: Some National Forest System lands in the vicinity of the Twenty-five Mile Creek Fire are closed. These closures are intended to provide for firefighter and public safety. Please check the interactive map of emergency closures when planning an outing: tinyurl.com/25mileforest.

Fire Information:

Incident Management Team: Pacific Northwest Team 3

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