Tag Archives: Upper Yukon Zone
Map of the The Smoothface Mountain Fire (#811) burning about 8 miles up the Yukon River from the Dalton Highway crossing.

Smokejumpers, Chena Hotshots working on late season fire near the Yukon River Crossing

The Chena Hotshots are mopping up a 7-acre fire that started Friday near the Yukon River crossing on the Dalton Highway about 80 miles north of Fairbanks. Smokejumpers responded to Fire #811, the Smoothface Mountain Fire, after it was reported Friday afternoon from someone at the Yukon River Camp near the river crossing at milepost […]

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Smoke over forest fire.

Aerial firing started in the Cornucopia Complex

The National Incident Management Organization (NIMO) Operations Section Chief Russ Long says aerial firing was started and then postponed earlier today on the west side of the Hadweenzic River Fire (#337), but began again about 5:00 pm as weather conditions cooperated. The burnout is intended to remove fuel between the main fire and a bible […]

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Strong winds drive fire activity on the Chalkyitsik Complex

Chalkyitsik Complex – #466 (Tractor Trail 2 – #348, Frozen Calf Fire – #367, Bearnose Hill Fire – #407, and Tettjajik Creek #424) – 414,899 acres – 235 personnel are assigned to the complex A passing weather system brought much cooler temperatures and strong, gusty southwest winds to the Upper Yukon Flats but little, if […]

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Upper Yukon Zone near red flag warning, high wind gusts predicted again

Temperatures moderated in the Upper Yukon Zone yesterday. Although cloud cover allowed an increase in relative humidity to 30-40 percent, 30 mph wind gusts erased much of the RH benefit. Temperatures today will begin a trend towards the warmer range once again. There is potential today for large fire growth as the Fine Fuels Moisture […]

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Members of the BLM's 2019 Women's Fire Crew pose for a photo at BLM Alaska Fire Service at Fort Wainwright, Alaska, on July 17, 2019, before heading to the Hadweenzic River Fire. The members of the 2019 crew are: Shelby Descamps, Leah Katz, Patty Derner, Hannah Zamorski, Tess Jarden, Lauren Formiller, Toni Hardy and Alex Perez. CREDIT: BLM Alaska Fire Service

Temps moderate today, 30 mph wind gusts expected

Temperatures are expected to moderate slightly today into the 70s in the Upper Yukon Zone, although wind gusts related to pressure changes are expected to cause wind gusts in the 20-30 mph range. Strong winds from the southwest can drive fire behavior and could disrupt plans for burnout operations. Fuels remain highly flammable and are […]

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Columns of smoke rise Thursday evening, July 18, 2019, from where a helicopter has dropped plastic spheres that ignite to catch a broad area black spruce on fire. The tactical firing operation is removing the fuels ahead of the Frozen Calf Fire (#367) to the northeast of Chalkyitsik. Sam Harrel/Alaska Interagency Incident Management Team

Smoke Outlook for 7/19 – 7/20: Fire weather generally moderate; Upper Yukon still extreme

Cooler weather and rainfall have decreased fire activity in some Alaskan communities, while dry and warmer temperatures continue to promote fire activity elsewhere across the state. There are currently 215 fires burning across Alaska, producing varying amounts of smoke that has the potential to travel large distances in some cases. Residents who have known health […]

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Columns of smoke rise Thursday evening, July 18, 2019, from where a helicopter has dropped plastic spheres that ignite to catch a broad area black spruce on fire. The tactical firing operation is removing the fuels ahead of the Frozen Calf Fire (#367) to the northeast of Chalkyitsik. Sam Harrel/Alaska Interagency Incident Management Team

Upper Yukon Zone: High potential for fire growth today

Fire continues to exhibit extreme behavior in parts of the Upper Yukon Zone, which continues to be one of the warmest areas in the state, with relative humidity between 20-30 percent. Continued warm temperatures have dried fuels considerably. Indices that measure fuels and how receptive they are to fire remain in the high to very […]

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Chalkyitsik Fuels Build-up Index hits record high

Rainfall across Alaska continues to avoid the Upper Yukon zone, with conditions at extreme levels predicted to drive fire activity across the Yukon flats.The Buildup Index (BUI) is the best indicator of seasonal severity and overall flammability in the boreal forest here in Alaska, representing deeper drying in the duff layers and greater fuel availability. […]

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Upper Yukon Zone fuel indices remain at near record levels

The Upper Yukon Flats remains the hottest and driest area of the state. Temperatures in the Upper Yukon zone will remain consistent in the 65 degree to 85 degree range with relative humidities between 35 percent and 45 percent. About 4,100 lightning strikes happened across the state yesterday with most touching down in the central […]

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Upper Yukon Zone temps highest in state, fuels fire activity

Temperatures in the Yukon Flats will range from 65-85 degrees. Low relative humidity will be 35-45% with winds out of the west at 5-10 mph. Any thunderstorms are predicted to be accompanied by showers. Thirty-four fires are burning within the Upper Yukon Fire Management Zone; most are not threatening people or property. Ten of the […]

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