An upper level ridge had become flattened over the region as a result of an upper level disturbance that was over the Texas panhandle.  A surface trough, which provided lift, was across Southeast New Mexico and far West Texas. There was plentiful low-level moisture and instability across the area.  These ingredients allowed severe thunderstorms to develop across the Davis Mountains, Big Bend area, Upper Trans Pecos, and Southeast New Mexico.

Flash Flood in BREWSTER, TEXAS
From 21-JUN-13 17:30:00 to 21-JUN-13 17:45:00 (CST-6)
Location: ALPINE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Heavy rain moved across Brewster County and produced flash flooding in Alpine.  Six to ten inches of water was running over the streets in downtown Alpine.  Since there was no damage reported, the cost of damage is assumed to be zero.

Thunderstorm Wind in BREWSTER, TEXAS
From 21-JUN-13 17:35:00 to 21-JUN-13 17:40:00 (CST-6)
Location: ALPINE
Magnitude: 56.00 EG
Property damage: 5.00K
Reported by: Public

A thunderstorm moved across Brewster County and produced an estimated 65 mph wind gust in Alpine.  A tree fell on a vehicle.  The size of the tree and damage to the vehicle are unknown.  The cost of damage is a rough estimate.

Hail in WINKLER, TEXAS
From 21-JUN-13 18:00:00 to 21-JUN-13 18:05:00 (CST-6)
Location: WINK
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in BREWSTER, TEXAS
From 21-JUN-13 18:05:00 to 21-JUN-13 18:10:00 (CST-6)
Location: ALPINE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in PRESIDIO, TEXAS
From 21-JUN-13 21:05:00 to 21-JUN-13 21:10:00 (CST-6)
Location: PRESIDIO BIG BEND AR
Magnitude: 0.88 
Reported by: Public

Hail in BREWSTER, TEXAS
From 21-JUN-13 17:37:00 to 21-JUN-13 17:42:00 (CST-6)
Location: ALPINE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in BREWSTER, TEXAS
From 21-JUN-13 17:45:00 to 21-JUN-13 17:50:00 (CST-6)
Location: ALPINE
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in WINKLER, TEXAS
From 21-JUN-13 18:06:00 to 21-JUN-13 18:11:00 (CST-6)
Location: WINK
Magnitude: 1.75 
Reported by: Law Enforcement

Hail in PRESIDIO, TEXAS
From 21-JUN-13 21:20:00 to 21-JUN-13 21:30:00 (CST-6)
Location: PRESIDIO BIG BEND AR
Magnitude: 2.75 
Property damage: 5.00K
Reported by: Public

A thunderstorm moved across Presidio County and produced tennis ball to baseball sized hail at Big Bend Ranch State Park.  The hail broke a sideview mirror on a vehicle and broke a skylight on a camper.  The cost of damage is a very rough estimate.

Hail in BREWSTER, TEXAS
From 21-JUN-13 17:35:00 to 21-JUN-13 17:45:00 (CST-6)
Location: ALPINE
Magnitude: 1.50 
Property damage: 0.20K
Reported by: Public

A thunderstorm moved across Brewster County and produced pingpong ball sized hail in Alpine.  Trees were stripped of leaves, and flower gardens were destroyed.  The cost of damage is a rough estimate.

Thunderstorm Wind in PRESIDIO, TEXAS
From 21-JUN-13 18:35:00 to 21-JUN-13 18:37:00 (CST-6)
Location: MARFA
Magnitude: 52.00 EG
Property damage: 0.30K
Reported by: Public

A thunderstorm moved across Presidio County and produced 50 to 60 mph wind gusts in Marfa.  Four inch diameter tree limbs were knocked down as a result of these winds.  The cost of damage is a rough estimate.