Flash Flood Matrix for Colorado's Burn Scars

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Welcome to the Colorado Burn Scar Flood matrix. A matrix designed to provide information on risk for flash floods on Colorado's burn scars throughout the summer months.

Tabs have been created for each burn scar of concern across the state providing more information about them and historical information on the wildfire and subsequent burn scar.

Daily Flash Flood Threat Matrix

Burn Scar Zoomable Map

Cameron Peak
East Troublesome
Alexander Mountain
Decker
Oak Ridge
Technical Discussions

Cameron Peak Burn Scar
Larimer County

Start Date	August 13, 2020
Contained Date	December 2, 2020
Acres Burned	208,913
Summary:	Cameron Peak StoryMap

Fire Perimeter Map

East Troublesome Burn Scar
Grand & Larimer Counties

Summary:

Start Date	October 14, 2020
Contained Date	December 3, 2020
Acres Burned	193,812
East Troublesome StoryMap

Fire Perimeter Map

Alexander Mountain Burn Scar
Larimer County

Start Date	July 29, 2024
Contained Date	August 17, 2024
Acres Burned	9668
Summary: The Alexander Mountain Fire started on Monday, July 29, 2024, north of US Highway 34 and west of Loveland, Colorado. Evacuations and road closures were in effect for several days. A total of 28 homes and 21 outbuildings lost in the fire. Final acreage of the fire has been mapped at 9,668 acres. US Highway 34 between Loveland and Estes Park fully reopened on August 8, 2024. All evacuation orders were lifted as of 10:48 a.m. on August 12, exactly two weeks from the time the Alexander Mountain Fire was first reported to dispatch.

Fire Perimeter Map

Decker Burn Scar
Chaffee/Fremont/Sagauche Counties

Start Date	August 8, 2019
Contained Date	October 24, 2019
Acres Burned	9,015
Summary:

Fire Perimeter Map

Oak Ridge Burn Scar
Pueblo County

Start Date	June 22, 2024
Contained Date	July 24, 2024
Acres Burned	1,310
Summary:

Fire Perimeter Map

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

NWS Boulder

NWS Pueblo