UPDATE: Flat Line Fire activity slows

May 22, 2022, 7:37 PM | Updated: May 23, 2022, 12:36 pm

The Flat Line Fire started in Wasatch County Sunday evening. Photo Credit: Utah Fire Info.

Digital Content Producer

UPDATE: May 23, 7:20 a.m.

On Sunday, Utah Fire Info said the Flat Line Fire’s activity had slowed. It reported the fire as being at 5% containment.

Additionally, Utah Fire Info confirmed that the fire was human-caused and was under investigation.

Fire personnel was left overnight to keep the perimeter of the fire secured.

Our previous coverage:

WASATCH COUNTY, Utah — UPDATE: Utah Fire Info says that the Flat Line Fire has grown to an estimated 85 acres.

Additionally, it reports that SR 40 will close while a heavy air tanker assists with ground resources. The roadway will close as the tanker drops retardant.

#FlatLineFire update: The fire is estimated at 85 acres. A heavy air tanker is on scene to assist with ground resources. SR-40 will closed while the tanker makes its retardant drops. Please use alternative routes & avoid the area.

— Utah Fire Info (@UtahWildfire) May 23, 2022

ORIGINAL COVERAGE: A brush fire, called the Flat Line Fire, broke out in Wasatch County north of Midway Sunday evening.

New 🔥 Start: The #FlatLineFire is located in Wasatch Co. 1-1/2 miles west of SR-40 & north of Midway. Resources are on scene. The fire is burning in grass & oak in steep, inaccessible terrain & estimated at 15 acres—no threats at this time. pic.twitter.com/YLHFeSHq5S

— Utah Fire Info (@UtahWildfire) May 22, 2022

According to the Wasatch County Sheriff’s Office, the fire is near State Route 40 Mile Post 11.

Wasatch Fire estimates the blaze to be 50 acres in size. Additionally, it said it is believed to be human-caused.

The brush fire does not currently threaten any structures but is having an effect on SR 40, two miles north of Heber, in both directions. The roadway remains open at this time.

#FlatLineFire is estimated at 50 acres. Winds have shifted & smoke is impacting SR-40. Please use extra caution when traveling in the area. pic.twitter.com/lGLcfcmVIJ

— Utah Fire Info (@UtahWildfire) May 23, 2022

The Wasatch County Sheriff’s Office is advising that people avoid the area.

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