Thunderstorms initiated over the central Texas Panhandle during the late afternoon hours of the 26th. This activity organized into a derecho, or long-lived extreme wind event, as it moved south across portions of the west Texas South Plains and the Permian Basin.
On the South Plains, areas of Yoakum, Terry, and Lynn Counties were hit particularly hard. A thunderstorm wind gust up to 81 mph was measured in western Yoakum County. Damage to utility poles and trees was widespread, but winds up to 75 mph and small hail combined to damage or destroy 20,000 acres of cotton in Lynn County. Fortunately, no reports of structural damage were received and no injuries were reported. Total losses to electrical co-ops and agricultural interests, however, exceeded $1.5 million.

Thunderstorm Wind in TERRY, TEXAS
From 26-JUN-07 21:18:00 to 26-JUN-07 21:20:00 (CST-6)
Location: BROWNFIELD
Magnitude: 54.00 MG
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Mesonet

A swath of severe winds accompanied a bowing line-shaped convective complex as it moved southward over portions of Yoakum and Terry Counties during the late evening hours of the 26th. Severe winds impacted areas near Brownfield around 21:20 CST. A 62 mph gust was measured by the Texas Tech University West Texas Mesonet site just south of the city. In addition, the public estimated gusts up to 60 mph in the city. Newspaper articles reported that up to one hundred utility poles were downed during the storm, and that electrical services were knocked out to most of the city through the late evening hours. In addition, many trees suffered damage. No significant structural damage was reported.

Thunderstorm Wind in LYNN, TEXAS
From 26-JUN-07 21:35:00 to 26-JUN-07 22:50:00 (CST-6)
Location: TAHOKA
Magnitude: 65.00 MG
Property damage: 0.00K
Crop damage: 1.00M
Reported by: Mesonet

A combination of extreme thunderstorm winds, small hail, and very heavy rains damaged or destroyed an estimated 20,000 acres of cotton in western and southern Lynn County during the late evening of the 26th. Thunderstorms associated with a derecho that impacted the southern west Texas South Plains and the Permian Basin began to impact the area along U.S. Highway 380 west of Tahoka shortly after 21:30 CST. These winds spread southeastward, and were measured up to 75 mph by the Texas Tech University West Texas Mesonet near O'Donnell. Wind-driven small hail and torrential rains caused a variety of damages to cotton plants that were already behind schedule and immature.
No structural damage was reported, but agricultural damages were estimated to approach $1 million.

Thunderstorm Wind in YOAKUM, TEXAS
From 26-JUN-07 20:45:00 to 26-JUN-07 21:15:00 (CST-6)
Location: PLAINS
Magnitude: 70.00 MG
Property damage: 200.00K
Crop damage: 75.00K
Reported by: Law Enforcement

A swath of extreme winds accompanied a bowing line-shaped convective complex as it moved southward over portions of Yoakum and Terry Counties during the late evening hours of the 26th. Severe winds initiated over central Yoakum County as measured by the Texas Tech University West Texas Mesonet site near Plains where a 62 mph gust was recorded at 20:45 CST. A cattle feed lot located on the New Mexico and Texas state line in western Yoakum County measured a peak gust of 81 mph according to newspaper accounts.
Damage to utility poles, lines, and trees was widespread. Numerous power poles were snapped along Farm to Market Road 213. Some minor crop damage occurred due to sandblasting. No significant structural damage was reported.
Law enforcement officials reported damage in and near Denver City when the winds spread south across southern Yoakum County. Winds estimated up to 70 mph reportedly occurred in the city between 21:10 and 21:15 CST. A number of power poles were snapped by the winds.

Thunderstorm Wind in SWISHER, TEXAS
From 26-JUN-07 17:54:00 to 26-JUN-07 17:54:00 (CST-6)
Location: HAPPY
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A 58 mph thunderstorm wind gust was measured by a local broadcast media schoolnet in Happy. No damage was reported.

Hail in BAILEY, TEXAS
From 26-JUN-07 18:48:00 to 26-JUN-07 19:36:00 (CST-6)
Location: MULESHOE
Magnitude: 1.75 
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous law enforcement officials reported large hail that ranged in size from pennies to golf balls near Muleshoe between 18:48 and 19:36 CST. Initial reports indicated golf ball size hail northwest of the city along U.S. Highway 84. A police cruiser was damaged by the hail. By 19:09 CST penny size hail was reported in Muleshoe.

High Wind in YOAKUM, TEXAS
From 26-JUN-07 21:50:00 to 26-JUN-07 22:45:00 (CST-6)
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Texas Tech University West Texas Mesonet sites near Denver City and Plains sampled severe gradient winds associated with a meso-high and wake low couplet accompanying the passing derecho. The winds, measured at a peak of 62 mph, occurred well behind the convective complex as radar imagery indicated subsidence and drying overspreading the area.