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Fire Near Coquille Myrtle Grove State Natural Site, Oregon USA

42.9N 124.1W

July 9th, 2010 Category: Fires, Lakes, Mountains, Volcanoes

USA - June 26th, 2010

USA - June 26th, 2010

A white plume of smoke from a fire in Oregon, USA, near the center of the coastline, blows in a southwestwardly direction. The fire is burning in or near the Coquille Myrtle Grove State Natural Site, a state park administered by the Oregon State Parks and Recreation Department.

Moving to the right, several lakes are visible in the Cascade Mountains, including the round caldera of Crater Lake, due east of the fire. The lake rests in the remains of a destroyed volcano (Mount Mazama) and is 1,949 feet (594 m) deep at its deepest point, making it the deepest lake in the United States.

Wildfires in Southern Oregon Less Than 10% Contained – September 24th, 2009

44.5N 64.2W

September 24th, 2009 Category: Fires, Image of the day

Oregon Wildfires, USA - September 22nd, 2009

Oregon Wildfires, USA - September 22nd, 2009

Close-up of fires

Close-up of fires

The two huge complexes of fires blazing in southern Oregon, USA, continue to release thick plumes of smoke. Here, the wind direction has changed since yesterday, and the smoke is now blowing due northwards (click here for previous articles). Both blazes were caused by lightning from storms that passed over the forests on September 12th and 13th.

The southernmost and larger of the two wildfires, called the Boze fire, is located on the Tiller Ranger District of the Umpqua National Forest. The fire is burning in very steep, rugged terrain in the lower French and upper Boze Creek drainages.

Firefighters estimate that 10,792 acres are being affected: 8,216 acres from the Boze fire and 2,127 acres by the nearby Rainbow Creek fire. They report that the fire is only 10% contained and classify the fire behavior as extreme. For tomorrow, they expect a reduction in fire behavior and higher relative humidities but stress that the fire will still be active.

The other blaze slightly to the north is the Tumblebug Complex, located 23 miles southeast of Oakridge, in the Willamette National Forest. Firefighters estimate the size of the affected area to be about 7000 acres, with only 5% containment. East wind gusts of up to 35 mph and droughtlike conditions, coupled with unseasonal dry fuels, caused fire behavior to be extreme. Basalt cliffs and large snags contribute to the difficulty of containing these remote fires.

In the main image, numerous other smaller fires can be seen in the wooded mountainous areas to the northeast of the two principal blazes. The most noticeable of these is the North Fork Complex, below the image center. It is comprised of several fires resulting from an August 1st lightning storm. These fires are located in or adjacent to the North Fork John Day Wilderness, 15 miles southeast of Ukiah, Oregon.

Although the complex received significant precipitation in early to mid August, slowing fire progression at first, a warming and drying trend has increased fire behavior and has produced abundant smoke in the valley. The two original fires have now burned together, now having a combined size of about 10,790 acres. Weather forecasts show a warming trend and possibility of increased fire activity.

Fires in Southern Oregon Triple in Size

43.7N 122.4W

September 23rd, 2009 Category: Fires

Oregon Wildfires, USA - September 22nd, 2009

Oregon Wildfires, USA - September 22nd, 2009

Close-up of fires

Close-up of fires

The two fires blazing northwest of Crater Lake in southern Oregon, USA, continue to rage. They appear to have intensified since the last time they were observed two days ago, as thicker plumes of smoke can be seen blowing to the southwest (click here for previous article).

The larger of the two wildfires (below), called the Boze fire, is located nine miles southwest of Toketee Falls in the Umpqua National Forest, in the Cascade Mountains. Firefighters estimate that the blaze is affecting 2,100 acres and is currently 35 percent contained.

The smaller blaze is part of the Tumblebug Complex. It is located 23 miles southeast of Oakridge, in the Willamette National Forest, also in the Cascades. Firefighters report that 1,500 acres are being affected and the fire is only 10 percent contained.

Originally, the Tumblebug Complex consisted of 25 fires in the Willamette National Forest, caused by a September 12th lightning storm. All but two of the fires have been contained, and the two fires have converged and are being managed as one fire.

This remaining fire in the Tumblebug Complex has more than tripled in size over the last few days due to strong, persistent winds and an abundance of dry fuels. Gusts up to 35 miles per hour and extremely dry fuel conditions resulted in fire growth to 2240 acres on September 21st. Helicopters were forced to stand down for several hours due to the strong winds. Crews, too, had to pull back for much of the day as significant fire behavior kept them from being able to directly attack the fire.

Fire in Southern Oregon’s Umpqua National Forest

42.8N 122.1W

September 21st, 2009 Category: Fires, Volcanoes

Oregon Wildfires, USA - September 20th, 2009

Oregon Wildfires, USA - September 20th, 2009

Close-up of main fire

Close-up of main fire

Two fires blaze in southern Oregon, USA, northwest of the round Crater Lake. The larger of the two wildfires, releasing a plume of smoke to the southwest, is located in the Umpqua National Forest, in the Cascade Mountains. The smaller blaze is situated in the Willamette National Forest, also in the Cascades.

The Umpqua National Forest covers an area of one-million acres (4,000 km²), including stands of hemlock, true fir, Douglas-fir and cedar transition to lower elevation forests of mixed conifers and hardwoods. Timbered valleys of old-growth ponderosa and groves of oak also separate mountain peaks.

The Willamette National Forest, on the other hand, contains 1,675,407 acres (6,780.13 km²), making it one of the largest national forests. The forest’s dominant tree species is the Douglas-fir, although over one dozen other conifer species are common there as well.

Further to the south, across the California border, is the Shasta-Trinity National Forest, where the conical, white-tipped peak of the Mount Shasta  stratovolcano can be seen (bottom right corner).

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