Four tornadoes touched down, one over southern Weld county, one over northeastern Weld County and 2 across western Morgan county. The most significant tornado traveled from just south of I-76 over Weld county across Empire Reservoir and then to the west of Orchard. Several campers were destroyed at Empire Reservoir along with two minor injuries. There was a few areas of EF2 damage but most was in the EF1 category. The path length was just over 8 miles with a maximum width of 1620 yards.  In addition, severe thunderstorm produced destructive hail, ranging from quarter to tennis ball size, and damaging thunderstorm winds.  A woman was also injured by a lightning strike.

Hail in ELBERT, COLORADO
From 07-MAY-16 12:09:00 to 07-MAY-16 12:09:00 (MST-7)
Location: KIOWA
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in ARAPAHOE, COLORADO
From 07-MAY-16 12:50:00 to 07-MAY-16 12:50:00 (MST-7)
Location: BYERS
Magnitude: 1.75 
Reported by: Trained Spotter

Hail in ADAMS, COLORADO
From 07-MAY-16 13:00:00 to 07-MAY-16 13:00:00 (MST-7)
Location: STRASBURG
Magnitude: 1.50 
Reported by: Trained Spotter

The spotter also measured a peak wind gust to 55 mph.

Hail in ARAPAHOE, COLORADO
From 07-MAY-16 13:00:00 to 07-MAY-16 13:00:00 (MST-7)
Location: BYERS
Magnitude: 1.75 
Reported by: Storm Chaser

Hail in ADAMS, COLORADO
From 07-MAY-16 13:02:00 to 07-MAY-16 13:02:00 (MST-7)
Location: STRASBURG
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in ADAMS, COLORADO
From 07-MAY-16 13:10:00 to 07-MAY-16 13:10:00 (MST-7)
Location: STRASBURG
Magnitude: 2.50 
Reported by: Trained Spotter

Hail in PHILLIPS, COLORADO
From 07-MAY-16 18:15:00 to 07-MAY-16 18:15:00 (MST-7)
Location: HOLYOKE ARPT
Magnitude: 1.75 
Reported by: Emergency Manager

Thunderstorm Wind in PHILLIPS, COLORADO
From 07-MAY-16 18:00:00 to 07-MAY-16 18:00:00 (MST-7)
Location: HOLYOKE
Magnitude: 70.00 EG
Reported by: Department of Highways

Intense thunderstorm winds knocked down power line south of Holyoke along US 385.  The highway was closed in both directions between Holyoke and Wray.

Tornado in WELD, COLORADO
From 07-MAY-16 13:55:00 to 07-MAY-16 14:10:00 (MST-7)
Location: MASTERS
Tornado F-scale: EF2
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Storm chaser confirmed a multi-vortex tornado near Interstate 76.  The tornado continue to track northeast and crossed over Empire Reservoir along the Weld/Morgan county line.  At least a dozen trailers were damaged or destroyed. Two campers suffered minor injuries.  Many power poles and trees were knocked down.    Approximately 10 irrigation pivots were destroyed.

Tornado in MORGAN, COLORADO
From 07-MAY-16 14:35:00 to 07-MAY-16 14:35:00 (MST-7)
Location: FT MORGAN ARPT
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

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

Tornado in MORGAN, COLORADO
From 07-MAY-16 13:20:00 to 07-MAY-16 13:20:00 (MST-7)
Location: GOODRICH
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

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

Tornado in WELD, COLORADO
From 07-MAY-16 13:25:00 to 07-MAY-16 13:25:00 (MST-7)
Location: BUCKINGHAM
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

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

Lightning in LARIMER, COLORADO
From 07-MAY-16 13:00:00 to 07-MAY-16 13:00:00 (MST-7)
Location: FT COLLINS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A woman was struck by lightning while attending a memorial service for her nephew. in Colorado.  The woman had her hand on her sister's car when a bolt of lightning hit a transformer and she felt a burning sensation in her left arm.  The bolt hit about 30 feet away and is believed to have traveled through the ground and up her left leg.  She stayed overnight at a burn unit in Greeley for further treatment.