Tag Archives: Tony Slough Fire (#493)
Members of the Union Hotshots from La Grande, Oregon, make a water crossing while fighting the Chandalar River Fire near Venetie, Alaska. CREDIT: Union Hotshots

Cornucopia Complex Update for July 26

Smoke and increased humidity on the Cornucopia Complex, north of Beaver, Alaska, prevented firefighters from carrying out any of the planned burnouts yesterday. Crews continue to improve lines they have put in place to protect structures and allotments on all staffed fires in the complex. Wind speed and direction, along with fuel moistures are key […]

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An overview map of the fires in the Cornucopia Complex for July 25, 2019.

Cornucopia Complex Fire Update for July 25

Wind and smoke were the driving forces behind the Cornucopia Complex, north of Beaver, Alaska, on Wednesday. Wind is determining whether burnout operations in three areas will happen. Smoke is impacting the movement of firefighters and supplies, on and off the line.   East winds 5 to 15 mph, temperatures in the 80’s and humidity at […]

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Cornucopia Complex Fire Update

All of the fires in the Cornucopia Complex were active yesterday but no significant movement was seen. Nearly all air operations were shut down because smoke made flying unsafe. Acreage on the fires listed below has not changed as the fires could not be flown and remapped due to smoke. Weather on the Cornucopia Complex […]

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Firefighters from the Yukon Flats Type 2 Emergency Firefighter Crew work inside a saw line that is designed to help protect allotments from the Chandalar River Fire. Hoses have been laid inside the saw line as well. PHOTO: Beth Ipsen/BLM Alaska Fire Service

Upper Yukon: Weather may allow burnout operations

Weather conditions today or tomorrow could finally allow firefighters to conduct planned burnout operations on three fires in the Upper Yukon Zone’s Cornucopia Complex: the Hadweenzic Fire (#337), the Tony Slough Fire (#493) and the Chandalar River Fire (#349). Firefighters have prepared for these burnout operations for more than a week, cutting line and laying […]

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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

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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