A complex of severe thunderstorms hammered the northeast plains of Colorado.  Hail ranged in size from quarter to nearly softball size.  The largest hail was observed over eastern portions of Arapahoe and Elbert Counties, around Deer Trail and Elizabeth.  The storms continued to spread northeast across the remainder of the northeast plains.  In addition to the hail, four tornadoes touched down but no damage was observed.

Hail in DOUGLAS, COLORADO
From 10-JUN-10 16:09:00 to 10-JUN-10 16:09:00 (MST-7)
Location: PARKER
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in LINCOLN, COLORADO
From 10-JUN-10 16:10:00 to 10-JUN-10 16:10:00 (MST-7)
Location: HUGO
Magnitude: 1.00 
Reported by: Public

Hail in LINCOLN, COLORADO
From 10-JUN-10 16:12:00 to 10-JUN-10 16:12:00 (MST-7)
Location: HUGO
Magnitude: 1.75 
Reported by: Law Enforcement

Hail in DOUGLAS, COLORADO
From 10-JUN-10 16:13:00 to 10-JUN-10 16:13:00 (MST-7)
Location: PARKER
Magnitude: 1.25 
Reported by: Trained Spotter

Hail in DOUGLAS, COLORADO
From 10-JUN-10 16:20:00 to 10-JUN-10 16:20:00 (MST-7)
Location: PARKER
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 10-JUN-10 18:00:00 to 10-JUN-10 18:00:00 (MST-7)
Location: DEER TRAIL
Magnitude: 2.50 
Reported by: Amateur Radio

Hail in ARAPAHOE, COLORADO
From 10-JUN-10 17:59:00 to 10-JUN-10 17:59:00 (MST-7)
Location: DEER TRAIL
Magnitude: 3.00 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 10-JUN-10 17:56:00 to 10-JUN-10 17:56:00 (MST-7)
Location: DEER TRAIL
Magnitude: 2.50 
Reported by: Trained Spotter

Hail in ADAMS, COLORADO
From 10-JUN-10 17:56:00 to 10-JUN-10 17:56:00 (MST-7)
Location: BARR LAKE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in ADAMS, COLORADO
From 10-JUN-10 17:39:00 to 10-JUN-10 17:39:00 (MST-7)
Location: NORTHGLENN
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 10-JUN-10 16:09:00 to 10-JUN-10 16:09:00 (MST-7)
Location: AURORA CHERRY CREEK
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 10-JUN-10 17:44:00 to 10-JUN-10 17:44:00 (MST-7)
Location: BYERS
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 10-JUN-10 17:36:00 to 10-JUN-10 17:36:00 (MST-7)
Location: PEORIA
Magnitude: 2.00 
Reported by: Trained Spotter

Hail in DOUGLAS, COLORADO
From 10-JUN-10 15:58:00 to 10-JUN-10 15:58:00 (MST-7)
Location: PARKER
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in DOUGLAS, COLORADO
From 10-JUN-10 16:06:00 to 10-JUN-10 16:06:00 (MST-7)
Location: PARKER
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 10-JUN-10 17:09:00 to 10-JUN-10 17:09:00 (MST-7)
Location: GROVER
Magnitude: 1.50 
Reported by: Storm Chaser

Hail in DOUGLAS, COLORADO
From 10-JUN-10 16:15:00 to 10-JUN-10 16:15:00 (MST-7)
Location: PARKER
Magnitude: 1.25 
Reported by: Trained Spotter

Hail in DOUGLAS, COLORADO
From 10-JUN-10 16:18:00 to 10-JUN-10 16:18:00 (MST-7)
Location: PARKER
Magnitude: 1.00 
Reported by: Trained Spotter

Tornado in ARAPAHOE, COLORADO
From 10-JUN-10 17:52:00 to 10-JUN-10 18:10:00 (MST-7)
Location: DEER TRAIL
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The tornado touched down but did no damage.

Tornado in WELD, COLORADO
From 10-JUN-10 18:20:00 to 10-JUN-10 18:20:00 (MST-7)
Location: PROSPECT
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A tornado touched down briefly but did no damage.

Hail in ADAMS, COLORADO
From 10-JUN-10 19:17:00 to 10-JUN-10 19:17:00 (MST-7)
Location: STRASBURG
Magnitude: 1.75 
Reported by: Trained Spotter

Hail in ELBERT, COLORADO
From 10-JUN-10 16:40:00 to 10-JUN-10 16:40:00 (MST-7)
Location: ELIZABETH
Magnitude: 3.00 
Reported by: Trained Spotter

Hail in ELBERT, COLORADO
From 10-JUN-10 16:53:00 to 10-JUN-10 16:53:00 (MST-7)
Location: ELIZABETH
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in ADAMS, COLORADO
From 10-JUN-10 17:27:00 to 10-JUN-10 17:27:00 (MST-7)
Location: WELBY
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in ADAMS, COLORADO
From 10-JUN-10 17:32:00 to 10-JUN-10 17:32:00 (MST-7)
Location: NORTHGLENN
Magnitude: 1.00 
Reported by: Public

Hail in ARAPAHOE, COLORADO
From 10-JUN-10 17:32:00 to 10-JUN-10 17:32:00 (MST-7)
Location: BYERS
Magnitude: 2.00 
Reported by: Trained Spotter

Hail in WASHINGTON, COLORADO
From 10-JUN-10 21:56:00 to 10-JUN-10 21:56:00 (MST-7)
Location: ELBA
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in WASHINGTON, COLORADO
From 10-JUN-10 21:50:00 to 10-JUN-10 21:50:00 (MST-7)
Location: ELBA
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 10-JUN-10 17:53:00 to 10-JUN-10 17:53:00 (MST-7)
Location: DEER TRAIL
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 10-JUN-10 17:50:00 to 10-JUN-10 17:50:00 (MST-7)
Location: DEER TRAIL
Magnitude: 2.00 
Reported by: Public

Hail in ADAMS, COLORADO
From 10-JUN-10 17:25:00 to 10-JUN-10 17:25:00 (MST-7)
Location: STRASBURG
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 10-JUN-10 17:20:00 to 10-JUN-10 17:20:00 (MST-7)
Location: BYERS
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 10-JUN-10 17:52:00 to 10-JUN-10 17:52:00 (MST-7)
Location: DEER TRAIL
Magnitude: 3.50 
Reported by: Trained Spotter

Hail in ELBERT, COLORADO
From 10-JUN-10 16:14:00 to 10-JUN-10 16:14:00 (MST-7)
Location: ELIZABETH
Magnitude: 2.00 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 10-JUN-10 17:14:00 to 10-JUN-10 17:14:00 (MST-7)
Location: BYERS
Magnitude: 2.00 
Reported by: Trained Spotter

Hail in ELBERT, COLORADO
From 10-JUN-10 16:30:00 to 10-JUN-10 16:30:00 (MST-7)
Location: ELIZABETH
Magnitude: 2.00 
Reported by: Trained Spotter

Hail in WASHINGTON, COLORADO
From 10-JUN-10 18:30:00 to 10-JUN-10 18:30:00 (MST-7)
Location: LST CHNCE CHENOWETH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in WASHINGTON, COLORADO
From 10-JUN-10 20:27:00 to 10-JUN-10 20:27:00 (MST-7)
Location: AKRON
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A tornado touched down briefly but did no damage.

Hail in WASHINGTON, COLORADO
From 10-JUN-10 21:45:00 to 10-JUN-10 21:45:00 (MST-7)
Location: ELBA
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in PHILLIPS, COLORADO
From 10-JUN-10 21:31:00 to 10-JUN-10 21:31:00 (MST-7)
Location: HOLYOKE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WASHINGTON, COLORADO
From 10-JUN-10 21:19:00 to 10-JUN-10 21:19:00 (MST-7)
Location: LST CHNCE CHENOWETH
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ADAMS, COLORADO
From 10-JUN-10 20:42:00 to 10-JUN-10 20:42:00 (MST-7)
Location: STRASBURG
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 10-JUN-10 16:09:00 to 10-JUN-10 16:09:00 (MST-7)
Location: AURORA CHERRY CREEK
Magnitude: 1.75 
Reported by: Trained Spotter

Hail in WASHINGTON, COLORADO
From 10-JUN-10 19:51:00 to 10-JUN-10 19:51:00 (MST-7)
Location: ELBA
Magnitude: 1.50 
Reported by: Public

Tornado in WASHINGTON, COLORADO
From 10-JUN-10 18:46:00 to 10-JUN-10 18:46:00 (MST-7)
Location: LAST CHANCE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A tornado touched down briefly but did no damage.

Hail in WELD, COLORADO
From 10-JUN-10 18:42:00 to 10-JUN-10 18:42:00 (MST-7)
Location: PROSPECT
Magnitude: 1.75 
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 10-JUN-10 18:45:00 to 10-JUN-10 18:45:00 (MST-7)
Location: PROSPECT
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 10-JUN-10 18:30:00 to 10-JUN-10 18:30:00 (MST-7)
Location: KEENESBURG
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in ADAMS, COLORADO
From 10-JUN-10 17:23:00 to 10-JUN-10 17:23:00 (MST-7)
Location: THORNTON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 10-JUN-10 18:35:00 to 10-JUN-10 18:35:00 (MST-7)
Location: DEER TRAIL
Magnitude: 4.25 
Reported by: Storm Chaser