Abundant monsoon moisture remained in place across the Western Slope. As a result, another round of widespread showers and thunderstorms developed across the area with many storms producing heavy rain. This led to several reports of flash flooding and debris flows across portions of west-central and southwest Colorado. Additionally, severe thunderstorms produced large hail in Norwood.

Hail in SAN MIGUEL, COLORADO
From 24-JUL-21 18:46:00 to 24-JUL-21 18:46:00 (MST-7)
Location: NORWOOD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Dime to quarter-sized hail accumulated in a yard on the east side of Norwood.

Debris Flow in SAN MIGUEL, COLORADO
From 24-JUL-21 15:04:00 to 24-JUL-21 15:04:00 (MST-7)
Location: NORWOOD ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

San Miguel Sheriff reported that Sanborn Park Road was impassable and closed due to mudslides from heavy rain.

Debris Flow in MONTROSE, COLORADO
From 24-JUL-21 15:00:00 to 24-JUL-21 15:00:00 (MST-7)
Location: URAVAN
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A debris flow occurred along Colorado Highway 141 between mile markers 69 through 79 as a result of heavy rains. The road was closed for several hours due to cleanup operations.

Debris Flow in MESA, COLORADO
From 24-JUL-21 15:30:00 to 24-JUL-21 15:30:00 (MST-7)
Location: GATEWAY
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Public

A normally dry arroyo erupted into a raging waterfall along Colorado Highway 141. Additionally, mud and debris flowed onto the highway.

Debris Flow in PITKIN, COLORADO
From 24-JUL-21 11:17:00 to 24-JUL-21 11:17:00 (MST-7)
Location: REDSTONE
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Department of Highways

A debris flow of mud, rocks and trees occurred along Colorado Highway 133 north of Redstone as a result of heavy rains. The road was closed for several hours due to cleanup operations.

Debris Flow in MESA, COLORADO
From 24-JUL-21 13:30:00 to 24-JUL-21 13:30:00 (MST-7)
Location: COLLBRAN
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Rocks, mud and water were found along Main Street in Collbran as a result of heavy rains. Sandbags were placed in front of certain businesses. Additionally, two trees were uprooted due to flash flooding along Highway 330.

Debris Flow in SAN MIGUEL, COLORADO
From 24-JUL-21 14:25:00 to 24-JUL-21 14:25:00 (MST-7)
Location: NORWOOD ARPT
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A debris flow of mud and rocks occurred along Colorado Highway 145 in Norwood Hill as a result of heavy rains. The road was closed for several hours due to cleanup operations.

Debris Flow in ARCHULETA, COLORADO
From 24-JUL-21 16:00:00 to 24-JUL-21 16:00:00 (MST-7)
Location: CHIMNEY ROCK
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Heavy rains led to a debris flow across sections of First Fork Road on the Pagosa Ranger District. Portions of the road were washed out. The exact time of the slide is unknown and was estimated based on surrounding observations.

Debris Flow in MESA, COLORADO
From 24-JUL-21 21:00:00 to 24-JUL-21 21:00:00 (MST-7)
Location: CASCADE
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Department of Highways

Colorado Highway 141 was closed in both directions for several hours due to a mudslide that occurred between 4.40 Road near Gateway and Desert Road in Unaweep Canyon.