Severe thunderstorms produced large hail, from quarter to tennis ball size over Adams, Lincoln and Weld counties.  The hail damaged trees and property, including multiple vehicles. One tornado touched down briefly in open country.

Hail in WELD, COLORADO
From 04-AUG-20 17:20:00 to 04-AUG-20 17:20:00 (MST-7)
Location: DACONO
Magnitude: 1.75 
Reported by: Public

Hail in WELD, COLORADO
From 04-AUG-20 15:28:00 to 04-AUG-20 15:28:00 (MST-7)
Location: LUCERNE
Magnitude: 1.50 
Reported by: Trained Spotter

Thunderstorm Wind in LINCOLN, COLORADO
From 04-AUG-20 18:43:00 to 04-AUG-20 18:43:00 (MST-7)
Location: PUNKIN CENTER
Magnitude: 52.00 MG
Reported by: Trained Spotter

Penny size hail was also reported.

Hail in WELD, COLORADO
From 04-AUG-20 15:35:00 to 04-AUG-20 15:35:00 (MST-7)
Location: EVANS
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 04-AUG-20 15:35:00 to 04-AUG-20 15:35:00 (MST-7)
Location: GREELEY ARPT
Magnitude: 2.00 
Reported by: Trained Spotter

Hail in ADAMS, COLORADO
From 04-AUG-20 15:58:00 to 04-AUG-20 15:58:00 (MST-7)
Location: SHAMROCK
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 04-AUG-20 16:16:00 to 04-AUG-20 16:16:00 (MST-7)
Location: GROVER
Magnitude: 1.75 
Reported by: Public

Hail in WELD, COLORADO
From 04-AUG-20 16:21:00 to 04-AUG-20 16:21:00 (MST-7)
Location: NUNN
Magnitude: 1.25 
Reported by: Storm Chaser

Hail in WELD, COLORADO
From 04-AUG-20 16:24:00 to 04-AUG-20 16:24:00 (MST-7)
Location: GARDEN CITY
Magnitude: 1.00 
Reported by: Public

Hail in WELD, COLORADO
From 04-AUG-20 17:14:00 to 04-AUG-20 17:14:00 (MST-7)
Location: FIRESTONE
Magnitude: 1.25 
Reported by: NWS Employee

Hail in WELD, COLORADO
From 04-AUG-20 17:15:00 to 04-AUG-20 17:15:00 (MST-7)
Location: FREDERICK
Magnitude: 1.75 
Reported by: Public

Hail in WELD, COLORADO
From 04-AUG-20 17:27:00 to 04-AUG-20 17:27:00 (MST-7)
Location: DACONO
Magnitude: 1.25 
Reported by: Storm Chaser

Hail in WELD, COLORADO
From 04-AUG-20 14:25:00 to 04-AUG-20 14:25:00 (MST-7)
Location: GALETON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 04-AUG-20 15:01:00 to 04-AUG-20 15:01:00 (MST-7)
Location: AULT
Magnitude: 1.75 
Reported by: Public

Hail in WELD, COLORADO
From 04-AUG-20 15:07:00 to 04-AUG-20 15:07:00 (MST-7)
Location: EATON
Magnitude: 1.00 
Reported by: Public

Hail in WELD, COLORADO
From 04-AUG-20 15:08:00 to 04-AUG-20 15:08:00 (MST-7)
Location: EATON
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 04-AUG-20 15:21:00 to 04-AUG-20 15:21:00 (MST-7)
Location: LUCERNE
Magnitude: 2.00 
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 04-AUG-20 15:22:00 to 04-AUG-20 15:22:00 (MST-7)
Location: LUCERNE
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 04-AUG-20 15:22:00 to 04-AUG-20 15:22:00 (MST-7)
Location: EATON
Magnitude: 1.75 
Reported by: Public

Hail in WELD, COLORADO
From 04-AUG-20 15:22:00 to 04-AUG-20 15:22:00 (MST-7)
Location: ROCKPORT
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 04-AUG-20 15:48:00 to 04-AUG-20 15:48:00 (MST-7)
Location: HARDIN
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in WELD, COLORADO
From 04-AUG-20 14:20:00 to 04-AUG-20 14:20:00 (MST-7)
Location: CARR
Magnitude: 2.00 
Reported by: Public

Hail in WELD, COLORADO
From 04-AUG-20 14:51:00 to 04-AUG-20 14:51:00 (MST-7)
Location: ROCKPORT
Magnitude: 2.00 
Reported by: Storm Chaser

Hail in WELD, COLORADO
From 04-AUG-20 17:20:00 to 04-AUG-20 17:20:00 (MST-7)
Location: DACONO
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in LINCOLN, COLORADO
From 04-AUG-20 18:48:00 to 04-AUG-20 18:48:00 (MST-7)
Location: PUNKIN CENTER
Magnitude: 2.50 
Reported by: Storm Chaser

Tornado in LINCOLN, COLORADO
From 04-AUG-20 18:56:00 to 04-AUG-20 18:57:00 (MST-7)
Location: PUNKIN CENTER
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.

Hail in LARIMER, COLORADO
From 04-AUG-20 19:18:00 to 04-AUG-20 19:18:00 (MST-7)
Location: GLENDEVEY
Magnitude: 1.75 
Reported by: Trained Spotter