A westward moving outflow boundary, formed from a dying Mesoscale Convective System, collided with a dryline across West Central Texas beneath a highly sheared storm environment.  This resulted in the development of a long tracked isolated supercell that produced large hail and damaging winds in addition to the tornadoes.

Hail in TAYLOR, TEXAS
From 30-MAY-12 16:28:00 to 30-MAY-12 16:38:00 (CST-6)
Location: SHEP
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Quarter to baseball size hail was reported at Coronado Camp at the Junction of U.S.  Highway 277 and Farm to Market Road 89.

Hail in RUNNELS, TEXAS
From 30-MAY-12 16:15:00 to 30-MAY-12 16:19:00 (CST-6)
Location: WINGATE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in TAYLOR, TEXAS
From 30-MAY-12 16:31:00 to 30-MAY-12 16:35:00 (CST-6)
Location: MULBERRY CANYON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in RUNNELS, TEXAS
From 30-MAY-12 17:08:00 to 30-MAY-12 17:12:00 (CST-6)
Location: BALLINGER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in RUNNELS, TEXAS
From 30-MAY-12 17:00:00 to 30-MAY-12 17:04:00 (CST-6)
Location: BALLINGER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in TAYLOR, TEXAS
From 30-MAY-12 17:10:00 to 30-MAY-12 17:14:00 (CST-6)
Location: TUSCOLA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Pea to quarter size hail was reported in Tuscola.

Hail in TAYLOR, TEXAS
From 30-MAY-12 17:25:00 to 30-MAY-12 17:29:00 (CST-6)
Location: TUSCOLA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in TAYLOR, TEXAS
From 30-MAY-12 17:27:00 to 30-MAY-12 17:31:00 (CST-6)
Location: LAWN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in RUNNELS, TEXAS
From 30-MAY-12 17:05:00 to 30-MAY-12 17:09:00 (CST-6)
Location: BALLINGER
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in TAYLOR, TEXAS
From 30-MAY-12 17:33:00 to 30-MAY-12 17:37:00 (CST-6)
Location: LAWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Dime to quarter size hail was reported near Lawn.

Hail in RUNNELS, TEXAS
From 30-MAY-12 16:30:00 to 30-MAY-12 16:34:00 (CST-6)
Location: NORTON
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Lightning in RUNNELS, TEXAS
From 30-MAY-12 17:15:00 to 30-MAY-12 17:15:00 (CST-6)
Location: BALLINGER
Property damage: 45.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A lightning strike knocked out the Runnels County dispatch communications system.

Hail in CONCHO, TEXAS
From 30-MAY-12 18:00:00 to 30-MAY-12 18:04:00 (CST-6)
Location: CONCHO
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Nickel to baseball size hail was reported near the Rural Road 1929 bridge.

Hail in CONCHO, TEXAS
From 30-MAY-12 18:17:00 to 30-MAY-12 18:21:00 (CST-6)
Location: MILLERSVIEW
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CONCHO, TEXAS
From 30-MAY-12 18:30:00 to 30-MAY-12 18:34:00 (CST-6)
Location: MILLERSVIEW
Magnitude: 4.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported broken skylights and snapped 1 to 2 inch pecan limbs.

Hail in MCCULLOCH, TEXAS
From 30-MAY-12 19:05:00 to 30-MAY-12 19:09:00 (CST-6)
Location: MELVIN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A wall cloud and golf ball size hail were reported.

Hail in THROCKMORTON, TEXAS
From 30-MAY-12 19:45:00 to 30-MAY-12 19:49:00 (CST-6)
Location: SPRING CREEK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Quarter size hail was reported along Highway 183 near the Throckmorton and Baylor County Line.

Hail in HASKELL, TEXAS
From 30-MAY-12 20:00:00 to 30-MAY-12 20:04:00 (CST-6)
Location: ROCHESTER
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MCCULLOCH, TEXAS
From 30-MAY-12 20:00:00 to 30-MAY-12 20:04:00 (CST-6)
Location: CALF CREEK
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Golf ball to tennis ball size hail was reported near the intersection of U.S. highway 190 and Ranch Road 1311.

Hail in MASON, TEXAS
From 30-MAY-12 20:43:00 to 30-MAY-12 20:47:00 (CST-6)
Location: KOOCKVILLE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in MASON, TEXAS
From 30-MAY-12 21:00:00 to 30-MAY-12 21:04:00 (CST-6)
Location: GRIT
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in CONCHO, TEXAS
From 30-MAY-12 18:20:00 to 30-MAY-12 18:24:00 (CST-6)
Location: MILLERSVIEW
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported several road signs blown over in the Millersview area.

Thunderstorm Wind in HASKELL, TEXAS
From 30-MAY-12 20:25:00 to 30-MAY-12 20:29:00 (CST-6)
Location: HASKELL
Magnitude: 67.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Haskell mesonet station measured a 77 MPH wind gust.

Hail in MCCULLOCH, TEXAS
From 30-MAY-12 19:30:00 to 30-MAY-12 19:34:00 (CST-6)
Location: MELVIN
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Wind driven baseball size hail produced extensive damage in Melvin. Several residences reported their east facing windows were blown out.

Hail in MCCULLOCH, TEXAS
From 30-MAY-12 19:32:00 to 30-MAY-12 19:36:00 (CST-6)
Location: MELVIN
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported stripped corn crops.

Thunderstorm Wind in CONCHO, TEXAS
From 30-MAY-12 17:56:00 to 30-MAY-12 18:00:00 (CST-6)
Location: PAINT ROCK
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

An amateur radio operator estimated 60 MPH winds.

Thunderstorm Wind in MCCULLOCH, TEXAS
From 30-MAY-12 19:30:00 to 30-MAY-12 19:34:00 (CST-6)
Location: MARCO
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

An amateur radio operator reported roof damage to at least one residence near Melvin. The damage occurred just east of Ranch Road 2028, approximately 3 miles south of Melvin.

Hail in TAYLOR, TEXAS
From 30-MAY-12 17:00:00 to 30-MAY-12 17:04:00 (CST-6)
Location: BUFFALO GAP
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Golf ball size hail was reported at Abilene State Park.