A long-track supercell moved southwest from Nebraska into western Kansas, eastern Colorado and ultimately New Mexico.  Large damaging hail fell in eastern Colorado, breaking windows in homes and piling hail into two foot drifts on the north side of homes.  When the storm crossed Interstate 70 just east of Burlington, Colorado, numerous cars received broken windows and windshields.

Hail in YUMA, COLORADO
From 17-JUL-09 13:20:00 to 17-JUL-09 13:20:00 (MST-7)
Location: CLARKVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in KIT CARSON, COLORADO
From 17-JUL-09 14:08:00 to 17-JUL-09 14:08:00 (MST-7)
Location: SEIBERT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in KIT CARSON, COLORADO
From 17-JUL-09 14:14:00 to 17-JUL-09 14:14:00 (MST-7)
Location: PECONIC
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KIT CARSON, COLORADO
From 17-JUL-09 14:14:00 to 17-JUL-09 14:14:00 (MST-7)
Location: SEIBERT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KIT CARSON, COLORADO
From 17-JUL-09 14:31:00 to 17-JUL-09 14:31:00 (MST-7)
Location: PECONIC
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in YUMA, COLORADO
From 17-JUL-09 16:33:00 to 17-JUL-09 16:33:00 (MST-7)
Location: YUMA
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in YUMA, COLORADO
From 17-JUL-09 16:49:00 to 17-JUL-09 16:49:00 (MST-7)
Location: ECKLEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in YUMA, COLORADO
From 17-JUL-09 17:02:00 to 17-JUL-09 17:02:00 (MST-7)
Location: ROBB
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in YUMA, COLORADO
From 17-JUL-09 18:19:00 to 17-JUL-09 18:19:00 (MST-7)
Location: WRAY MUNI ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in YUMA, COLORADO
From 17-JUL-09 18:24:00 to 17-JUL-09 18:24:00 (MST-7)
Location: WRAY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in KIT CARSON, COLORADO
From 17-JUL-09 15:04:00 to 17-JUL-09 15:04:00 (MST-7)
Location: SEIBERT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KIT CARSON, COLORADO
From 17-JUL-09 15:13:00 to 17-JUL-09 15:13:00 (MST-7)
Location: BURLINGTON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in KIT CARSON, COLORADO
From 17-JUL-09 15:19:00 to 17-JUL-09 15:19:00 (MST-7)
Location: BURLINGTON
Magnitude: 2.75 
Property damage: 12.50K
Crop damage: 0.00K
Reported by: Trained Spotter

Multiple vehicles received severe hail damage as wind-driven hail moved across Hwy 385 south of Burlington. One person received minor injuries. Hail was reported to have covered the ground.

Thunderstorm Wind in CHEYENNE, COLORADO
From 17-JUL-09 15:25:00 to 17-JUL-09 15:25:00 (MST-7)
Location: CHEYENNE WELLS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Spotter estimated wind gusts at 60 mph.

Hail in CHEYENNE, COLORADO
From 17-JUL-09 15:28:00 to 17-JUL-09 15:28:00 (MST-7)
Location: CHEYENNE WELLS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CHEYENNE, COLORADO
From 17-JUL-09 15:35:00 to 17-JUL-09 15:35:00 (MST-7)
Location: CHEYENNE WELLS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KIT CARSON, COLORADO
From 17-JUL-09 14:30:00 to 17-JUL-09 14:30:00 (MST-7)
Location: PECONIC
Magnitude: 1.75 
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Large hail of unknown size (estimated at 1.75 in diameter based on nearby reports), and driven by strong winds, broke through windows of numerous vehicles on Interstate 70.