A stationary boundary across far northeast New Mexico allowed for multiple storms to generate and move southeast off Raton Mesa.  Storm activity began by the late afternoon on the 18th and continued through the evening hours as severe storms trained over similar areas. Four different rounds of hail fell in Capulin according to a COOP observer, with baseball size hail being the largest stone observed. Hayden, New Mexico also experienced baseball size hail as severe storms reached the southeast portions of Union county.  This event produced multiple reports of hail damage to cars, broken skylights and car windows.

Hail in QUAY, NEW MEXICO
From 18-AUG-15 19:30:00 to 18-AUG-15 19:33:00 (MST-7)
Location: NARA VISA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HARDING, NEW MEXICO
From 18-AUG-15 18:35:00 to 18-AUG-15 18:39:00 (MST-7)
Location: ROSEBUD
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in UNION, NEW MEXICO
From 18-AUG-15 16:58:00 to 18-AUG-15 17:04:00 (MST-7)
Location: SOFIA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Extreme winds that observer thought would uproot the grass.

Hail in UNION, NEW MEXICO
From 18-AUG-15 20:00:00 to 18-AUG-15 20:05:00 (MST-7)
Location: FOLSOM
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in UNION, NEW MEXICO
From 18-AUG-15 16:15:00 to 18-AUG-15 16:20:00 (MST-7)
Location: CAPULIN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in UNION, NEW MEXICO
From 18-AUG-15 20:30:00 to 18-AUG-15 20:33:00 (MST-7)
Location: CAPULIN
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Ping pong size hail from third storm over observer's location.

Hail in UNION, NEW MEXICO
From 18-AUG-15 18:24:00 to 18-AUG-15 18:30:00 (MST-7)
Location: HAYDEN
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in UNION, NEW MEXICO
From 18-AUG-15 16:15:00 to 18-AUG-15 16:20:00 (MST-7)
Location: CAPULIN
Magnitude: 2.50 
Property damage: 20.00K
Crop damage: 0.00K
Reported by: COOP Observer

The first storm over the observer's location produced tennis ball size hail that broke 3 skylights of a house, and dented a car and broke its windows.

Hail in UNION, NEW MEXICO
From 18-AUG-15 18:55:00 to 18-AUG-15 18:55:00 (MST-7)
Location: AMISTAD
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter to half dollar size hail.

Hail in UNION, NEW MEXICO
From 18-AUG-15 16:06:00 to 18-AUG-15 16:10:00 (MST-7)
Location: FOLSOM
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in UNION, NEW MEXICO
From 18-AUG-15 16:09:00 to 18-AUG-15 16:15:00 (MST-7)
Location: DES MOINES
Magnitude: 1.75 
Property damage: 7.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported notable vehicle dent damage due to the golf ball size hail.

Hail in UNION, NEW MEXICO
From 18-AUG-15 16:10:00 to 18-AUG-15 16:15:00 (MST-7)
Location: CAPULIN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Hail in UNION, NEW MEXICO
From 18-AUG-15 18:15:00 to 18-AUG-15 18:20:00 (MST-7)
Location: CAPULIN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The second storm over the observer's location dropped penny size hail.