A major shift in the weather pattern occurred as a strong upper level trough and associated cold front swept across the area. Deep moisture ahead of the system and strong forcing resulted in some severe thunderstorms and flash flooding across western Colorado.

Hail in MOFFAT, COLORADO
From 05-SEP-07 15:10:00 to 05-SEP-07 15:15:00 (MST-7)
Location: GREYSTONE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail was observed at Roundtop Tower Lookout in Dinosaur National  Monument.

Hail in MOFFAT, COLORADO
From 05-SEP-07 15:10:00 to 05-SEP-07 15:15:00 (MST-7)
Location: GREYSTONE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail observed at Zenobia Tower Outlook in Dinosaur National Monument.

Thunderstorm Wind in MOFFAT, COLORADO
From 05-SEP-07 15:25:00 to 05-SEP-07 15:25:00 (MST-7)
Location: MAYBELL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in RIO BLANCO, COLORADO
From 05-SEP-07 16:23:00 to 05-SEP-07 16:23:00 (MST-7)
Location: RANGELY ARPT
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in RIO BLANCO, COLORADO
From 05-SEP-07 16:35:00 to 05-SEP-07 16:35:00 (MST-7)
Location: MEEKER ARPT
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Hail in MOFFAT, COLORADO
From 05-SEP-07 14:14:00 to 05-SEP-07 14:19:00 (MST-7)
Location: DINOSAUR
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Nickel size hail occurred at Dinosaur National Monument Headquarters.

Heavy Rain in RIO BLANCO, COLORADO
From 05-SEP-07 13:02:00 to 05-SEP-07 13:22:00 (MST-7)
Location: RANGELY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Rainfall of .60 inches fell in 20 minutes.

Heavy Rain in MESA, COLORADO
From 05-SEP-07 11:50:00 to 05-SEP-07 12:15:00 (MST-7)
Location: GATEWAY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Rainfall of 1.00 inch fell in 25 minutes.

Thunderstorm Wind in MOFFAT, COLORADO
From 05-SEP-07 12:45:00 to 05-SEP-07 13:36:00 (MST-7)
Location: CRAIG
Magnitude: 43.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Strong gusty winds and heavy rain buffeted Craig causing power outages throughout town and minor street flooding.

Hail in MOFFAT, COLORADO
From 05-SEP-07 13:25:00 to 05-SEP-07 13:35:00 (MST-7)
Location: CRAIG
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail covered the ground to a depth of two inches. The hail stones ranged from pea-size to penny-size diameter.

Flash Flood in RIO BLANCO, COLORADO
From 05-SEP-07 14:25:00 to 05-SEP-07 15:25:00 (MST-7)
Location: MEEKER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Runoff from heavy rain producing thunderstorms caused mud and debris to flow across Highway 64 in 4 different locations 10 to 12 miles west of Meeker. Mud, rocks, trees, and other vegetation were deposited on the roadway, up to 4 feet deep in places. Some of the rocks were 3 to 4 feet in diameter. Many culverts along the highway became plugged with debris. Two semi trucks became stuck in the debris.

Hail in MOFFAT, COLORADO
From 05-SEP-07 15:20:00 to 05-SEP-07 15:28:00 (MST-7)
Location: MAYBELL
Magnitude: 1.00 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail from 3/4 inch to 1 inch diameter occurred. The hail broke windows on some homes. The hail came down with such force in one area that it punched holes in a 5 gallon plastic bucket.

Hail in MOFFAT, COLORADO
From 05-SEP-07 14:19:00 to 05-SEP-07 14:24:00 (MST-7)
Location: DINOSAUR
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Hail covered the ground.