A boundary extendeding from Breckenridge to Duncanville to Tyler served as a focus for thunderstorm development as temperatures rose to 90 degrees. Severe thunderstorms developed and produced up to ping pong size hail and several downbursts, mainly south of Interstate 20.

Hail in ELLIS, TEXAS
From 17-MAY-10 13:39:00 to 17-MAY-10 13:39:00 (CST-6)
Location: GARRETT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail size increased to ping pong balls 4 miles north of the city of Ennis.

Thunderstorm Wind in ROBERTSON, TEXAS
From 17-MAY-10 18:10:00 to 17-MAY-10 18:10:00 (CST-6)
Location: CALVERT
Magnitude: 55.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were blown down in the city of Calvert.

Thunderstorm Wind in ROBERTSON, TEXAS
From 17-MAY-10 18:20:00 to 17-MAY-10 18:20:00 (CST-6)
Location: HEARNE
Magnitude: 52.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several large trees were blown down by thunderstorm gusts in the city of Hearne. Power was also out for most of the city.

Thunderstorm Wind in BELL, TEXAS
From 17-MAY-10 15:53:00 to 17-MAY-10 15:53:00 (CST-6)
Location: KILLEEN MUNI ARPT
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

Four large trees were blown down off of Stagecoach Rd in the city of Killeen.

Hail in PALO PINTO, TEXAS
From 17-MAY-10 14:02:00 to 17-MAY-10 14:02:00 (CST-6)
Location: METCALF GAP
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Quarter size hail fell at the intersection of Highway 180 and Farm-to-Market Road 919 west of the city of Palo Pinto.

Hail in DALLAS, TEXAS
From 17-MAY-10 14:10:00 to 17-MAY-10 14:10:00 (CST-6)
Location: SEAGOVILLE
Magnitude: 1.75 
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Quarter to Golfball size hail fell in the city of Seagoville.

Hail in BELL, TEXAS
From 17-MAY-10 15:53:00 to 17-MAY-10 15:53:00 (CST-6)
Location: SIMMONSVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Penny size hail fell at Ellison High School in the city of Killeen.

Flash Flood in TARRANT, TEXAS
From 17-MAY-10 16:45:00 to 17-MAY-10 17:10:00 (CST-6)
Location: FOREST HILL
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Several high water rescues were conducted at intersections in south Arlington due to heavy rainfall.

Thunderstorm Wind in MCLENNAN, TEXAS
From 17-MAY-10 17:00:00 to 17-MAY-10 17:00:00 (CST-6)
Location: MCGREGOR
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree was uprooted by a thunderstorm wind gust in McGregor. Numerous power outages were also reported around the city.

Thunderstorm Wind in MCLENNAN, TEXAS
From 17-MAY-10 17:00:00 to 17-MAY-10 17:00:00 (CST-6)
Location: ATCO
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A trained spotter measured a 62 mph wind gust at the intersection of Spring Valley Rd and Old Lorena Rd west of the city of Hewitt.

Thunderstorm Wind in MCLENNAN, TEXAS
From 17-MAY-10 17:00:00 to 17-MAY-10 17:00:00 (CST-6)
Location: MOODY
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A building in the 500 block of Avenue D in downtown Moody sustained damage to its brick facade.

Hail in EASTLAND, TEXAS
From 17-MAY-10 13:16:00 to 17-MAY-10 13:16:00 (CST-6)
Location: TIFFIN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Nickel hail fell near the intersection of Interstate 20 and Highway 16 east of Ranger.

Hail in EASTLAND, TEXAS
From 17-MAY-10 13:18:00 to 17-MAY-10 13:18:00 (CST-6)
Location: TIFFIN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Quarter size hail fell 2 miles east of the city of Ranger.

Hail in ELLIS, TEXAS
From 17-MAY-10 13:27:00 to 17-MAY-10 13:27:00 (CST-6)
Location: ENNIS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny size hail fell between Ennis and Garrett.

Hail in ELLIS, TEXAS
From 17-MAY-10 13:31:00 to 17-MAY-10 13:31:00 (CST-6)
Location: GARRETT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous penny to quarter size hail stones fell 4 miles north of Ennis. The largest hailstone was the size of a half-dollar.

Thunderstorm Wind in BELL, TEXAS
From 17-MAY-10 17:10:00 to 17-MAY-10 17:10:00 (CST-6)
Location: MOFFAT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Four to five inch diameter limbs from a cedar tree were blown down in the city of Morgan's Point.

Thunderstorm Wind in BELL, TEXAS
From 17-MAY-10 17:17:00 to 17-MAY-10 17:17:00 (CST-6)
Location: TEMPLE
Magnitude: 52.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous tree limbs were blown down across the city of Temple.

Thunderstorm Wind in BELL, TEXAS
From 17-MAY-10 17:17:00 to 17-MAY-10 17:17:00 (CST-6)
Location: TEMPLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated a 60 mph wind gust in the city of Temple.

Thunderstorm Wind in DALLAS, TEXAS
From 17-MAY-10 14:10:00 to 17-MAY-10 14:10:00 (CST-6)
Location: BOBWYN
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Public

Power poles were bent over and 10 grain houses suffered damage in the city of Seagoville. Tree damage was also reported around the city.