A southward moving cold front and an upper level trough combined to aid in the development of a line of severe thunderstorms that primarily affected locations east of Interstate 35. Damaging winds up to 60 mph were the main hazard with this event, but there were also several reports of hail up to the size of golfballs. The damage associated with the high winds was primarily to trees and power lines.

Hail in COOKE, TEXAS
From 18-SEP-11 15:41:00 to 18-SEP-11 15:41:00 (CST-6)
Location: WOODBINE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Penny-sized hail was reported in Oak Ridge.

Hail in COOKE, TEXAS
From 18-SEP-11 15:40:00 to 18-SEP-11 15:40:00 (CST-6)
Location: CALLISBURG
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Nickel-sized hail was reported in Callisburg.

Hail in COOKE, TEXAS
From 18-SEP-11 15:58:00 to 18-SEP-11 15:58:00 (CST-6)
Location: WOODBINE
Magnitude: 1.75 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Quarter to golfball-sized hail fell in Oak Ridge.

Hail in COMANCHE, TEXAS
From 18-SEP-11 16:33:00 to 18-SEP-11 16:33:00 (CST-6)
Location: RUCKER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Nickel-sized hail was reported 3 miles south of Gorman.

Hail in GRAYSON, TEXAS
From 18-SEP-11 16:15:00 to 18-SEP-11 16:15:00 (CST-6)
Location: POTTSBORO
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in GRAYSON, TEXAS
From 18-SEP-11 17:02:00 to 18-SEP-11 17:02:00 (CST-6)
Location: AMBROSE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Several trees were blown down in Ambrose due to high winds.

Hail in DALLAS, TEXAS
From 18-SEP-11 19:45:00 to 18-SEP-11 19:45:00 (CST-6)
Location: BOUCHARD
Magnitude: 1.75 
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golfball-sized hail fell at the intersection of Interstate 635 and Royal Lane.

Thunderstorm Wind in HOPKINS, TEXAS
From 18-SEP-11 19:55:00 to 18-SEP-11 19:55:00 (CST-6)
Location: SULPHUR SPGS
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Powerlines and a large tree blocked a highway about 4 miles southwest of Sulphur Springs.

Thunderstorm Wind in VAN ZANDT, TEXAS
From 18-SEP-11 20:15:00 to 18-SEP-11 20:15:00 (CST-6)
Location: WILLS PT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Large tree limbs were blown down due to high winds.

Thunderstorm Wind in DALLAS, TEXAS
From 18-SEP-11 20:20:00 to 18-SEP-11 20:20:00 (CST-6)
Location: FLORENCE HILL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A 60 MPH wind gust was reported near Joe Pool Lake.

Thunderstorm Wind in DALLAS, TEXAS
From 18-SEP-11 20:22:00 to 18-SEP-11 20:22:00 (CST-6)
Location: SEAGOVILLE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A 70 MPH wind gust was reported in Seagoville.

Hail in GRAYSON, TEXAS
From 18-SEP-11 17:20:00 to 18-SEP-11 17:20:00 (CST-6)
Location: HOWE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GRAYSON, TEXAS
From 18-SEP-11 17:50:00 to 18-SEP-11 17:50:00 (CST-6)
Location: VAN ALSTYNE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in COLLIN, TEXAS
From 18-SEP-11 18:05:00 to 18-SEP-11 18:05:00 (CST-6)
Location: PROSPER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in RAINS, TEXAS
From 18-SEP-11 18:32:00 to 18-SEP-11 18:32:00 (CST-6)
Location: POINT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in COLLIN, TEXAS
From 18-SEP-11 18:38:00 to 18-SEP-11 18:38:00 (CST-6)
Location: MCKINNEY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in HOPKINS, TEXAS
From 18-SEP-11 18:25:00 to 18-SEP-11 18:25:00 (CST-6)
Location: CUMBY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DALLAS, TEXAS
From 18-SEP-11 20:35:00 to 18-SEP-11 20:35:00 (CST-6)
Location: DESOTO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in ELLIS, TEXAS
From 18-SEP-11 21:25:00 to 18-SEP-11 21:25:00 (CST-6)
Location: MAYPEARL
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: COOP Observer

Large tree branches and power lines were blown down due to high winds.

Thunderstorm Wind in HILL, TEXAS
From 18-SEP-11 21:30:00 to 18-SEP-11 21:30:00 (CST-6)
Location: OSCEOLA
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A large tree was blown down along County Road 1450 WSW of Itasca.

Thunderstorm Wind in HILL, TEXAS
From 18-SEP-11 21:40:00 to 18-SEP-11 21:40:00 (CST-6)
Location: SINGISER
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A large tree was blown down along County Road 4247 south of Itasca.

Hail in NAVARRO, TEXAS
From 18-SEP-11 22:15:00 to 18-SEP-11 22:15:00 (CST-6)
Location: BARRY
Magnitude: 1.75 
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Post Office

Thunderstorm Wind in FALLS, TEXAS
From 18-SEP-11 23:30:00 to 18-SEP-11 23:30:00 (CST-6)
Location: MARLIN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A large tree was blown down east of Marlin.

Thunderstorm Wind in COLLIN, TEXAS
From 18-SEP-11 19:10:00 to 18-SEP-11 19:10:00 (CST-6)
Location: MURPHY
Magnitude: 61.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Severe thunderstorm winds knocked down large trees and large tree branches in Murphy. Also, several power poles were either snapped or leaning in the city.

Hail in COLLIN, TEXAS
From 18-SEP-11 19:01:00 to 18-SEP-11 19:01:00 (CST-6)
Location: PLANO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter-sized hail fell at the intersection of Highway 75 and Park Blvd.

Thunderstorm Wind in HOPKINS, TEXAS
From 18-SEP-11 19:15:00 to 18-SEP-11 19:15:00 (CST-6)
Location: EMBLEM
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds gusted up to 60 MPH.

Hail in DALLAS, TEXAS
From 18-SEP-11 19:31:00 to 18-SEP-11 19:31:00 (CST-6)
Location: BOUCHARD
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Half dollar-sized hail fell at the intersection of Interstate 635 and Royal Lane.

Hail in DALLAS, TEXAS
From 18-SEP-11 19:37:00 to 18-SEP-11 19:37:00 (CST-6)
Location: REINHARDT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter-sized hail fell at the intersection of Interstate 635 and Highway 86.

Thunderstorm Wind in HOPKINS, TEXAS
From 18-SEP-11 19:38:00 to 18-SEP-11 19:38:00 (CST-6)
Location: MILLER GROVE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Multiple trees were blown down due to high winds about 5 miles south of Cumby.

Hail in DALLAS, TEXAS
From 18-SEP-11 19:42:00 to 18-SEP-11 19:42:00 (CST-6)
Location: GARLAND
Magnitude: 2.00 
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in COLLIN, TEXAS
From 18-SEP-11 18:45:00 to 18-SEP-11 18:45:00 (CST-6)
Location: WESTMINSTER
Magnitude: 52.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Power lines were blown down and outbuildings were damaged in Allen due to high winds.

Thunderstorm Wind in ELLIS, TEXAS
From 18-SEP-11 20:35:00 to 18-SEP-11 20:35:00 (CST-6)
Location: MIDLOTHIAN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A large tree was split at the base due to high winds.

Hail in ELLIS, TEXAS
From 18-SEP-11 20:44:00 to 18-SEP-11 20:44:00 (CST-6)
Location: FERRIS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in BOSQUE, TEXAS
From 18-SEP-11 21:00:00 to 18-SEP-11 21:00:00 (CST-6)
Location: CLIFTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A large tree was blown down along Farm-to-Market Road 1991 east of Clifton.

Thunderstorm Wind in ELLIS, TEXAS
From 18-SEP-11 21:03:00 to 18-SEP-11 21:03:00 (CST-6)
Location: WAXAHACHIE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds were estimated to be near 60 MPH. Power outages were also reported.

Thunderstorm Wind in HENDERSON, TEXAS
From 18-SEP-11 21:15:00 to 18-SEP-11 21:15:00 (CST-6)
Location: CEDAR CREEK RES NORT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Large tree limbs were blown down in residential areas of Gun Barrel City.

Thunderstorm Wind in HILL, TEXAS
From 18-SEP-11 21:05:00 to 18-SEP-11 21:05:00 (CST-6)
Location: BLUM
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Large tree limbs were blown down on County Road 1114 near the Johnson County line.

Hail in COLLIN, TEXAS
From 18-SEP-11 18:25:00 to 18-SEP-11 18:25:00 (CST-6)
Location: MCKINNEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Thunderstorm Wind in DALLAS, TEXAS
From 18-SEP-11 20:35:00 to 18-SEP-11 20:35:00 (CST-6)
Location: DE SOTO CARROLL ARPT
Magnitude: 61.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The roof and door of a large barn along Duncanville Road in Cedar Hill was torn off by severe thunderstorm winds. Trees in the area were also knocked down. Another home in the area also received extensive wind damage. Officials reported about 2 dozen barns and homes in the area has some type of wind damage.