A mid level circulation moved northwest into the area from central Texas during the afternoon hours of the 11th. This circulation produced a cluster of thunderstorms in the San Antonio area on the previous day and helped to generate a similar result across the Rolling Plains and eastern South Plains on the 11th. Scattered thunderstorms developed around 1800 CST and persisted until the early morning hours on the 12th. These thunderstorms created strong wind gusts over the Rolling Plains. The first thunderstorm that developed remained anchored over a portion of southern Briscoe and northern Floyd counties for several hours dumping over ten inches of rainfall. Additional thunderstorm development occurred across the southwestern Texas panhandle and northern South Plains during the early morning hours of the 12th which produced strong winds and small hail.

Thunderstorm Wind in HALL, TEXAS
From 11-JUL-11 20:40:00 to 11-JUL-11 20:40:00 (CST-6)
Location: MEMPHIS
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Texas Tech University West Texas mesonet site near Memphis measured a wind gust to 66 mph. No damage was reported in Memphis.

Hail in SWISHER, TEXAS
From 12-JUL-11 03:15:00 to 12-JUL-11 03:20:00 (CST-6)
Location: TULIA
Magnitude: 1.00 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Tulia police department reported hail ranging from nickel to quarter size in Tulia. The hail was accompanied by severe wind gusts.

Flash Flood in FLOYD, TEXAS
From 11-JUL-11 19:00:00 to 11-JUL-11 22:00:00 (CST-6)
Location: SOUTH PLAINS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Thunderstorm Wind in HALL, TEXAS
From 11-JUL-11 21:30:00 to 11-JUL-11 21:30:00 (CST-6)
Location: ESTELLINE
Magnitude: 56.00 EG
Property damage: 200.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Texas DPS reported widespread damage in Estelline. Roofs were blown off homes and numerous trees were blown down. Additionally, numerous out buildings were severely damaged. Hail also accompanied the strong winds.

Hail in HALL, TEXAS
From 11-JUL-11 21:35:00 to 11-JUL-11 21:35:00 (CST-6)
Location: ESTELLINE
Magnitude: 1.75 
Property damage: 50.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS storm survey revealed that hail to the size of golf balls fell in Estelline. The hail was accompanied by severe wind gusts.

Flash Flood in BRISCOE, TEXAS
From 11-JUL-11 19:00:00 to 11-JUL-11 22:00:00 (CST-6)
Location: SILVERTON
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 10.00K
Reported by: NWS Storm Survey

A thunderstorm developed and remained nearly stationary near Texas Highway 207 in Briscoe and Floyd Counties. This thunderstorm dumped between 10 and 11 inches of rainfall on a localized area between seven miles south of Silverton and five miles north of South Plains. A report of 10.5 of rainfall was received from a farmer who also stated that his basement flooded for the first time. This farmer lived ten miles south of Silverton along 207. Another public report was received of eight inches of rainfall around eight miles south of Silverton. The Texas Department of Transportation closed 207 at the Briscoe and Floyd County line during the evening with three feet of running water over the roadway. A NWS storm survey on the morning of the 12th revealed that one to two feet of standing water remained over the highway with one vehicle abandoned in a ditch. Additionally, area playa lakes were full but not flooded and erosion was evident where water flowed out of the fields.

Thunderstorm Wind in SWISHER, TEXAS
From 12-JUL-11 03:20:00 to 12-JUL-11 03:20:00 (CST-6)
Location: TULIA
Magnitude: 52.00 EG
Property damage: 150.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Tulia police department reported that power poles were blown down west of Tulia, causing a power outage in the city of Tulia. The strong winds were accompanied by hail.

Thunderstorm Wind in CHILDRESS, TEXAS
From 11-JUL-11 19:38:00 to 11-JUL-11 19:47:00 (CST-6)
Location: (CDS)CHILDRESS ARPT
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The ASOS at Childress Municipal Airport (KCDS) measured severe wind gusts for nine minutes. No damage was reported in Childress.

Thunderstorm Wind in CHILDRESS, TEXAS
From 11-JUL-11 20:23:00 to 11-JUL-11 20:23:00 (CST-6)
Location: (CDS)CHILDRESS ARPT
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The ASOS at Childress Municipal Airport (KCDS) measured a severe wind gust. No damage was reported in Childress.

Hail in BRISCOE, TEXAS
From 11-JUL-11 19:00:00 to 11-JUL-11 19:00:00 (CST-6)
Location: SILVERTON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public