Severe thunderstorms produced hail, from nickel to half dollar size, across parts of Adams, Arapahoe, Douglas and Weld Counties.  Two tornadoes touched down briefly in Adams County; one destroyed a storage shed.  Later in the evening, a severe thunderstorm produced large hail, up to ping pong size, in Phillips and Sedgwick Counties.

Hail in WELD, COLORADO
From 15-MAY-15 12:52:00 to 15-MAY-15 12:52:00 (MST-7)
Location: FIRESTONE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 15-MAY-15 12:00:00 to 15-MAY-15 12:00:00 (MST-7)
Location: SMOKY HILL
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 15-MAY-15 11:52:00 to 15-MAY-15 11:52:00 (MST-7)
Location: SMOKY HILL
Magnitude: 1.25 
Reported by: Trained Spotter

Hail in DOUGLAS, COLORADO
From 15-MAY-15 11:52:00 to 15-MAY-15 11:52:00 (MST-7)
Location: PARKER
Magnitude: 1.25 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 15-MAY-15 11:44:00 to 15-MAY-15 11:44:00 (MST-7)
Location: (BKF)BUCKLEY AIR FORCE BASE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 15-MAY-15 13:30:00 to 15-MAY-15 13:30:00 (MST-7)
Location: LA SALLE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 15-MAY-15 12:20:00 to 15-MAY-15 12:20:00 (MST-7)
Location: DACONO
Magnitude: 1.25 
Reported by: NWS Employee

Tornado in ADAMS, COLORADO
From 15-MAY-15 13:03:00 to 15-MAY-15 13:03:00 (MST-7)
Location: LEADER
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A tornado briefly touched down in open country.  No damage was observed.

Tornado in ADAMS, COLORADO
From 15-MAY-15 13:51:00 to 15-MAY-15 13:55:00 (MST-7)
Location: STRASBURG
Tornado F-scale: EF1
Property damage: 15.00K
Reported by: Broadcast Media

A tornado touched down briefly and extensively damaged a storage shed.

Hail in ARAPAHOE, COLORADO
From 15-MAY-15 11:44:00 to 15-MAY-15 11:44:00 (MST-7)
Location: (BKF)BUCKLEY AIR FORCE BASE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 15-MAY-15 11:52:00 to 15-MAY-15 11:52:00 (MST-7)
Location: SMOKY HILL
Magnitude: 1.25 
Reported by: Trained Spotter

Hail in DOUGLAS, COLORADO
From 15-MAY-15 11:52:00 to 15-MAY-15 11:52:00 (MST-7)
Location: PARKER
Magnitude: 1.25 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 15-MAY-15 12:00:00 to 15-MAY-15 12:00:00 (MST-7)
Location: SMOKY HILL
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 15-MAY-15 12:20:00 to 15-MAY-15 12:20:00 (MST-7)
Location: DACONO
Magnitude: 1.25 
Reported by: NWS Employee

Hail in WELD, COLORADO
From 15-MAY-15 12:52:00 to 15-MAY-15 12:52:00 (MST-7)
Location: FIRESTONE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 15-MAY-15 13:30:00 to 15-MAY-15 13:30:00 (MST-7)
Location: LA SALLE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in SEDGWICK, COLORADO
From 15-MAY-15 17:59:00 to 15-MAY-15 17:59:00 (MST-7)
Location: JULESBURG
Magnitude: 1.00 
Reported by: Public

Hail in PHILLIPS, COLORADO
From 15-MAY-15 18:00:00 to 15-MAY-15 18:00:00 (MST-7)
Location: PAOLI
Magnitude: 1.25 
Reported by: Storm Chaser

Hail in SEDGWICK, COLORADO
From 15-MAY-15 18:27:00 to 15-MAY-15 18:27:00 (MST-7)
Location: JULESBURG
Magnitude: 1.50 
Reported by: Public