Tag Archives: Upper Yukon Valley

Smoke Outlook 8/1-2: Generally improving conditions statewide, but Yukon Valley remains smoky

An increase in precipitation across west central Alaska and the Tanana Valley will reduce smoke impacts in many areas; however, the Upper Yukon Valley continues to be relatively dry, and westerly winds will bring in smoke from other areas. Smoke from Canadian fires continues to impact parts of Southeast Alaska. North (Fairbanks, Denali National Park, […]

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Smoke Outlook 7/30-7/31: Warming trend brings more smoke to Interior

Fire activity may increase today in Tanana Valley, driven by several days of warmer, drier weather. Many areas of the state continue to experience drought conditions. Upper Yukon Valley fires remain active, with no wetting rain received in Fort Yukon or Chalkyitzik. Fairbanks and Denali National Park are expected to have good to moderate smoke […]

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Smoke Outlook 7/29-7/30; Air quality improving, but smoke not gone over central Interior

While recent weather conditions have decreased smoke in most areas, warmer weather and persistent drought may cause an increase in fire activity over the next few days. Light haze may also develop over Juneau from fires in Canada, but air quality will remain good there. North (Fairbanks, Denali National Park, Upper Yukon) Fire Drought conditions […]

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Upper Yukon Zone: Higher humidity keep fire activity minimal

The Upper Yukon Zone has 58 active fires, with a total for the year of 74, that have burned over a million acres. The dryness of the duff layer, a blanket on the forest floor of spruce needles and tundra, have created a challenge to extinguish fires in the zone. Fires are burning eight inches […]

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Smoke Outlook: 7/28-7/29: Expect haze in Denali National Park, Mat-Su and Susitna Valleys

While fire activity remains minimal due to rains and higher relative humidity across the state, lightning from widespread thunderstorms could result in new fires in the Upper Yukon Valley due to drought conditions that persist there. Overnight haze will occur in areas around active fires, including Fairbanks. This afternoon and Monday, Denali National Park and […]

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Smoke outlook for 7/23 – 7/24: unhealthy air in some areas as smoke returns across Alaska

Heavier smoke returns to the Upper Yukon Valley and will primarily be moving south and west today, both from the large complex fires, as well as from the fires closer to Fairbanks and Denali. Some local areas will experience unhealthy conditions, especially in the mornings, including including Rampart, Fort Yukon, and parts of Denali National […]

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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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Smoke Outlook for 7/20 – 7/21: Weather moderating in many areas, diminished levels of smoke anticipated

Temperature is moderating in many areas of Alaska including the Upper Yukon Zone. Wind gusts up to 30 mph in the Upper Yukon Zone is expected for today and will have an impact to fire activity. Smoke is forecasted to be in the unhealthy range once again, and residents are advised to take any steps […]

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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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