The combination of a strong surface pressure gradient behind a cold front and strong winds aloft mixing to the surface, which caused a period of high winds across the southwestern Texas Panhandle during the afternoon of the 23rd. In Oldham County, a semi-tractor trailer on Interstate 40 east of the town of Wildorado (Oldham County) was blown over by an estimated non-thunderstorm wind gust of 65 MPH. In Deaf Smith County, several observations sites reported sustained winds of 45 MPH with the highest gust of 67 mph occurring at the West Texas Mesonet site at Bootleg (Deaf Smith County). These high winds blew a roof off of a mobile home in the southern part of the town of Hereford (Deaf Smith County), and the roof was blown into power lines causing several residents to lose power.  In Randall County, an estimated wind gust of 60 mph downed small tree limbs and knocked out power for a portion of southwest Amarillo (Randall County). Also the KVII Schoolnet weather station at Lakeview Elementary in Timbercreek Canyon (Randall County) observed a 58 mph non-thunderstorm wind gust.  In Potter County, high winds flipped a wooden shed in Bushland (Potter County) and blew a roof off of a trailer on the northwest side of Amarillo (Potter County). The Bushland KVII Schoolnet site reported a non-thunderstorm wind gust of 64 MPH, and a trained spotter measured a 61 MPH non-thunderstorm winds gust on the west side of Amarillo (Potter County).  By 6 PM CDT, the surface pressure gradient had decreased sufficiently to bring an end to high winds for the southwestern Texas Panhandle.
The following is a list of the highest non-thunderstorm wind gusts reported: 11 miles west northwest of Bootleg (Deaf Smith County) 67 MPH; 1 mile north northwest of Hereford (Deaf Smith County) 59 MPH; 2 miles west northwest of Hereford (Deaf Smith County) 61 MPH; 1 mile east of Wildorado (Oldham County) 65 MPH; 5 miles west southwest of Amarillo (Randall County) 60 MPH; 2 miles north of Canyon (Randall County) 59 MPH; 5 miles east northeast Hereford (Deaf Smith County) 59 MPH; 1 east Bushland (Potter County) 64 MPH; 5 miles west of Timbercreek Canyon (Randall County) 58 MPH; 4 miles west northwest of Amarillo (Potter County) 58 MPH; 7 miles north of Bootleg (Deaf Smith County) 60 MPH; and 4 miles west of Amarillo (Potter County) 61 MPH.

High Wind in DEAF SMITH, TEXAS
From 23-MAR-13 15:30:00 to 23-MAR-13 18:20:00 (CST-6)
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The West Texas Mesonet site 11 miles west northwest of Bootleg reported a 67 mph non-thunderstorm wind gust.

High Wind in DEAF SMITH, TEXAS
From 23-MAR-13 15:30:00 to 23-MAR-13 18:20:00 (CST-6)
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The KVII Schoolnet site 1 mile north northwest of Hereford reported a 59 mph non-thunderstorm wind gust.

High Wind in OLDHAM, TEXAS
From 23-MAR-13 15:30:00 to 23-MAR-13 18:20:00 (CST-6)
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Oldham Emergency Manager reported a semi tractor trailer was blown over on Interstate 40. The non-thunderstorm wind gust was estimated to be 65 mph based on radar.

High Wind in POTTER, TEXAS
From 23-MAR-13 15:30:00 to 23-MAR-13 18:20:00 (CST-6)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The KVII Schoolnet site 1 mile east of Bushland reported a 64 mph non-thunderstorm wind gust.

High Wind in RANDALL, TEXAS
From 23-MAR-13 15:30:00 to 23-MAR-13 18:20:00 (CST-6)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The KVII Schoolnet site 5 miles west of Timbercreek Canyon reported a 58 mph non-thunderstorm wind gust.

High Wind in DEAF SMITH, TEXAS
From 23-MAR-13 15:30:00 to 23-MAR-13 18:20:00 (CST-6)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The KVII Schoolnet site 7 miles north of Bootleg reported a 60 mph non-thunderstorm wind gust.

High Wind in POTTER, TEXAS
From 23-MAR-13 15:30:00 to 23-MAR-13 18:20:00 (CST-6)
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The KVII Schoolnet site 4 miles west of Amarillo reported a 61 mph non-thunderstorm wind gust.

High Wind in DEAF SMITH, TEXAS
From 23-MAR-13 15:30:00 to 23-MAR-13 18:20:00 (CST-6)
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The West Texas Mesonet site 2 miles west northwest of Hereford reported a 61 mph non-thunderstorm wind gust.

High Wind in RANDALL, TEXAS
From 23-MAR-13 15:30:00 to 23-MAR-13 18:20:00 (CST-6)
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A member of the public reported downed tree limbs and knocked out power on the west southwest side of the city. The winds were estimated to be 60 mph.

High Wind in DEAF SMITH, TEXAS
From 23-MAR-13 15:30:00 to 23-MAR-13 18:20:00 (CST-6)
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The AWOS 5 miles east northeast of Hereford reported a 59 mph non-thunderstorm wind gust.

High Wind in POTTER, TEXAS
From 23-MAR-13 15:30:00 to 23-MAR-13 18:20:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A member of the broadcast media 4 miles west northwest of Amarillo reported a 58 mph non-thunderstorm wind gust.