Night operations at Summerhaven on the Bighorn Fire. Photo by David Melendez June 26, 2020.The National Weather Service in Tucson has issued a Red Flag Warning for Tucson and the Bighorn Fire area from noon to 8 p.m. MST Sunday and from noon to 8 p.m. MST Monday. The prediction is for strong winds, low humidity, and very high fire danger. The wind is expected to be out of the southwest at 15 to 25 mph with gusts to 35 mph Sunday, and on Monday, southwest at 15 to 20 mph with gusts between 35 and 40 mph. The relative humidity will be 10 to 17 percent in the valleys and 13 to 21 percent in the mountains.From the Incident Management Team on Saturday:“Friday night, burnout operations south of Davis Spring Road and 4 miles west of Redington were conducted to reduce the risk of eastward fire spread. Aerial ignition operations were conducted near Palisade Canyon and Green Mountain to improve firelines and reduce the risk of uncontrolled fire reaching the Catalina Highway. East of Saddlebrook a firing operation improved firelines. Holding, mop up and structure protection was the focus in Summerhaven, Willow Canyon, and Saddlebrook. Biosphere, Oracle, and Sabino Canyon were in patrol status.“Saturday’s Activities: Crews will hold and improve line near Willow Canyon, Palisade Canyon, Green Mountain, and south of the Davis Spring Road. Hotshot crews will build fireline on the south side of Green Mountain. A hand crew will work to extinguish a hotspot approximately three miles northeast of Catalina State Park. East of the fire, construction will continue on contingency lines by connecting to existing road systems. Structure protection will be in place for Saddlebrook and along the Catalina Highway.Initial attack resources are pre-positioned around the fire.”A mapping flight Friday night determined that the Bighorn Fire had burned 95,225 acres, a 24-hour increase of over 7,000 acres.(To see all articles about the Bighorn fire, including the most recent, click here.) 3-D map of the Bighorn Fire looking southeast. The red line was the perimeter at 10:31 p.m. MDT June 26, 2020. The green line was the perimeter about 48 hours before.Map of the Bighorn Fire. The red line was the perimeter at 10:31 p.m. MDT June 26, 2020. The green line was the perimeter about 48 hours before.Firing operation on Oracle Ridge at the Bighorn Fire. Inciweb photo June 23, 2020.
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Author: Bill Gabbert
The post Firefighters on the Bighorn Fire near Tucson prepare for Red Flag conditions Sunday and Monday appeared first on Wildfire Today.
Firefighters on the Bighorn Fire near Tucson prepare for Red Flag conditions Sunday and Monday

Bill Gabbert
Bill Gabbert is the Editor at Wildfire Today and Fire Aviation. www.wildfiretoday.com - www.fireaviation.com
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