During the morning hours of the 17th, an organized convective complex moved southeastward over the extreme southern Texas panhandle and the west Texas South Plains and Rolling Plains causing hail and widespread damaging winds. Numerous reports of large hail were received, with several cities deploying snow plows to remove accumulated hail on roadways. The most significant impacts were in the Floydada vicinity of Floyd County, where several buildings were damaged and a couple of trucks were overturned by thunderstorm winds measured as high as 84mph. In addition, several utility poles and trees were downed. Minor street flooding also was reported around the area.
Total economic damages were estimated to exceed $155,000.

Thunderstorm Wind in FLOYD, TEXAS
From 17-MAY-10 08:35:00 to 17-MAY-10 08:40:00 (CST-6)
Location: FLOYDADA
Magnitude: 73.00 MG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Mesonet

The Texas Tech University West Texas Mesonet station at Floydada measured a wind gust to 84 mph. There were several reports of storm damage in Floydada. The roof was damaged to the Floyd County Historical Museum as well as a gas station. Also, the building sustained water damage with several inches of standing water inside the building. A couple of semi-trailers were blown over in addition to several large tree limbs and power poles downed in Floydada. Snow plows were additionally deployed in Floydada to remove wind-blown and drifting small hail that covered roadways.

Thunderstorm Wind in DICKENS, TEXAS
From 17-MAY-10 09:45:00 to 17-MAY-10 09:55:00 (CST-6)
Location: SPUR
Magnitude: 53.00 MG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Mesonet

The Texas Tech University West Texas Mesonet station at Dickens measured a wind gust to 61 mph. There were reports of numerous large trees blown over as well as utility poles snapped in Dickens.

Thunderstorm Wind in STONEWALL, TEXAS
From 17-MAY-10 11:15:00 to 17-MAY-10 11:15:00 (CST-6)
Location: ASPERMONT
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A Texas Tech University West Texas mesonet station at Aspermont measured a gust to 60 mph. The winds were at times accompanied by large hail. No wind damage was reported.

Thunderstorm Wind in CASTRO, TEXAS
From 17-MAY-10 06:16:00 to 17-MAY-10 06:16:00 (CST-6)
Location: HART
Magnitude: 52.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Thunderstorm winds, accompanied by quarter size hail, destroyed a center pivot irrigation system southeast of Hart.

Hail in CASTRO, TEXAS
From 17-MAY-10 06:16:00 to 17-MAY-10 06:16:00 (CST-6)
Location: HART
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained weather spotters reported quarter size hail in Hart. The hail was additionally accompanied by damaging thunderstorm winds.

Hail in SWISHER, TEXAS
From 17-MAY-10 06:35:00 to 17-MAY-10 06:35:00 (CST-6)
Location: KRESS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Thunderstorm Wind in HALE, TEXAS
From 17-MAY-10 07:28:00 to 17-MAY-10 07:28:00 (CST-6)
Location: (PVW)HALE CO ARPT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The Automated Weather Observing System at Plainview measured a wind gust to 58 mph. No damage was reported.

Heavy Rain in DICKENS, TEXAS
From 17-MAY-10 10:00:00 to 17-MAY-10 12:00:00 (CST-6)
Location: DICKENS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement officials reported standing water over several roads from heavy rainfall in the town of Dickens.

Hail in STONEWALL, TEXAS
From 17-MAY-10 11:18:00 to 17-MAY-10 11:18:00 (CST-6)
Location: ASPERMONT
Magnitude: 1.75 
Property damage: 2.50K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball size hail was reported at the Texas State Highway Department in Aspermont. The Texas Tech University West Texas mesonet station in Aspermont sustained damage from wind-blown hail. At the mesonet station, all of the radiation shields were smashed, a 4 inch plastic rain gauge was broken, and the rim of a metal rain gauge was bent.

Heavy Rain in HALE, TEXAS
From 17-MAY-10 07:15:00 to 17-MAY-10 09:15:00 (CST-6)
Location: PLAINVIEW
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A storm chaser reported one to three inches of water over the intersection of US 70 and Interstate 27 in Plainview. One inch of rain had fallen during the previous hour at the Texas Tech University West Texas Mesonet site at Plainview.

Heavy Rain in FLOYD, TEXAS
From 17-MAY-10 09:00:00 to 17-MAY-10 11:00:00 (CST-6)
Location: FLOYDADA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The emergency manager in Floydada reported widespread minor flooding in the city of Floydada. Several city streets had become impassable. The Texas Tech University West Texas Mesonet site near Floydada reported over two inches of rainfall in less than two hours.

Hail in DICKENS, TEXAS
From 17-MAY-10 09:55:00 to 17-MAY-10 09:55:00 (CST-6)
Location: DICKENS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained weather spotters measured hail up to the size of quarters in Dickens. Nickel to quarter size hail also was accumulated two inches deep covering the road near the post office in Dickens.