Sawmill Fire in Arizona doubles in size, 20% contained


A massive wildfire is burning south of Tucson, Arizona, producing a ton of heat and its own weather. Named Sawmill Fire, it is one of Southern Arizona's largest wildfires in recent memory.

The Sawmill Fire is burning on lands under the jurisdiction of the Coronado National Forest, Bureau of Land Management and the Arizona Department of Forestry and Fire Management.

It was started at approximately 18:00 UTC (11:00 MDT) on Sunday, April 23, 2017, by a target shooter who was firing at explosive targets at state land. According to the Green Valley News, the man tried to extinguish the blaze before calling to report the fire to authorities. He later turned himself in.

As of 14:32 UTC (07:32 MDT) on April 26, the fire has grown to 8 000 hectares (20 000 acres) and was only 7% contained. 350 firefighters were on the scene.

Gusty winds and broken topography have contributed to growth of the fire, burning in tall grass, riparian woodland, mesquite/oak brush, oak woodland, and pinyon-juniper fuel types.

So far, there are no reports of injuries or damaged structures but there are homes, ranches and outbuildings as well as communications facilities and power lines at risk.

Shortly after 09:30 MDT, Pima County Office of Emergency Management ordered residents of the Rain Valley area to evacuate the area. Dangerous conditions are expected, they said. Several hundred people were already evacuated on Tuesday, April 25.

The fire has crossed Arizona Highway 83 in multiple locations.

Sawmill Fire, Arizona - April 25, 2017

Sawmill Fire, Arizona on April 25, 2017. Credit: NASA Aqua/MODIS


April 27

The fire has doubled in size, up to 16 331 hectares (40 356 acres). This figure is based on a visual estimate from a midday aerial reconnaissance flight and may change as a result of additional incident mapping and fire growth. 

The fire is 20% contained and there are 606 firefighters on the scene.

Winds will be on the upswing Thursday, contributing to a Red Flag Warning in effect from noon until 19:00 local time. Critical fire weather conditions will peak on Friday with very strong, gusty winds that will continue into Saturday.

An evacuation order remains in place for Rain Valley. Because evacuation orders were lifted for Greaterville and Singing Valley, residents of those areas are being allowed through the Arizona Highway 83 closure for the sole purpose of accessing their homes. Arizona Highway 83 remains closed to public traffic. The evacuation center at the Santa Cruz County Fairgrounds has moved to the Sonoita Bible Church, located at 3174 Arizona Highway 83, Sonoita, Arizona.

A Type I Incident Management Team will assume command of the Sawmill Fire today in response to increasing complexity.

Featured image credit: Sawmill Fire, Arizona – Timelapse. Credit: Weather Nation

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