Scattered showers and thunderstorms developed during the afternoon and evening hours over Northeast Texas, Southwest Arkansas, and portions of Southeast Oklahoma on May 10th, near a residual weak surface boundary draped along the Red River from showers and thunderstorms that had developed earlier in the day over Central and Southern Oklahoma. This boundary and an upper level disturbance moving in from the west during peak heating resulting in the development of multiple severe thunderstorms that produced damaging winds and isolated tornadoes. This severe weather outbreak persisted into the early morning hours of May 11th where some flash flooding also occurred across portions of the region from excessive heavy rainfall.

Flash Flood in HARRISON, TEXAS
From 11-MAY-15 01:45:00 to 11-MAY-15 04:45:00 (CST-6)
Location: WALKERS MILL
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A bridge was washed out due to flooding on Sam Hall Road north northeast of Hallsville, Texas.

Thunderstorm Wind in RUSK, TEXAS
From 11-MAY-15 01:59:00 to 11-MAY-15 01:59:00 (CST-6)
Location: HENDERSON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wind gusts estimated to near 60 mph by county Emergency Manager.

Flash Flood in GREGG, TEXAS
From 11-MAY-15 02:00:00 to 11-MAY-15 04:45:00 (CST-6)
Location: KINSLOE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Meadows Lane was closed due to flooding.

Flash Flood in HARRISON, TEXAS
From 11-MAY-15 04:25:00 to 11-MAY-15 04:45:00 (CST-6)
Location: MARSHALL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 80 west of Marshall, Texas was impassable due to flooding.

Flash Flood in HARRISON, TEXAS
From 11-MAY-15 04:25:00 to 11-MAY-15 04:45:00 (CST-6)
Location: KARNACK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 43 out of Karnack, Texas was impassible south and west towards Marshall, Texas.  Several other roads out of Karnack were flooded and closed as well.

Thunderstorm Wind in WOOD, TEXAS
From 10-MAY-15 20:20:00 to 10-MAY-15 20:20:00 (CST-6)
Location: MINEOLA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were downed across the western side of the county.

Thunderstorm Wind in WOOD, TEXAS
From 10-MAY-15 22:00:00 to 10-MAY-15 22:00:00 (CST-6)
Location: MINEOLA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were downed across the county.

Thunderstorm Wind in MARION, TEXAS
From 10-MAY-15 22:15:00 to 10-MAY-15 22:15:00 (CST-6)
Location: NORTH JEFFERSON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Numerous large limbs were downed northwest of Jefferson.

Thunderstorm Wind in WOOD, TEXAS
From 10-MAY-15 22:44:00 to 10-MAY-15 22:44:00 (CST-6)
Location: MINEOLA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Widespread trees were downed across the county.

Tornado in SMITH, TEXAS
From 10-MAY-15 20:19:00 to 10-MAY-15 20:20:00 (CST-6)
Location: GARDEN VLY
Tornado F-scale: EF1
Property damage: 125.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A damage survey performed in Smith County Texas determined that the damage in the county was consistent with that of an EF1 tornado. The most extensive damage was located along County Road 1253 and County Road 462. There were several homes that had roof damage, while several outbuildings and barns were damaged or destroyed. Other damage consisted of numerous trees snapped and/or uprooted.

Flash Flood in HARRISON, TEXAS
From 11-MAY-15 02:04:00 to 11-MAY-15 04:45:00 (CST-6)
Location: LONGVIEW HGTS
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement water rescues were ongoing from flooded vehicles on Hwy. 80 west of Hallsville, Texas.

Thunderstorm Wind in RUSK, TEXAS
From 11-MAY-15 02:10:00 to 11-MAY-15 02:10:00 (CST-6)
Location: HENDERSON
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A large tree was downed on Fordall near the Civic Center.

Flash Flood in CHEROKEE, TEXAS
From 11-MAY-15 02:30:00 to 11-MAY-15 06:15:00 (CST-6)
Location: CONCORD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 856 south of the Concord Community was flooded and closed.

Flash Flood in RUSK, TEXAS
From 11-MAY-15 02:30:00 to 11-MAY-15 06:15:00 (CST-6)
Location: TRUKTON
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several street were flooded, closed and/or washed out across Rusk County, Texas.

Tornado in SMITH, TEXAS
From 10-MAY-15 21:50:00 to 10-MAY-15 21:51:00 (CST-6)
Location: GARDEN VLY
Tornado F-scale: EF1
Property damage: 125.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A damage survey performed in Smith County Texas determined that the damage in the county was consistent with that of an EF1 tornado. The most extensive damage was located east of County Road 1253 as well as County Road 460 and County Road 458. Several outbuildings and barns were damaged or destroyed. Other damage consisted of numerous trees snapped and/or uprooted.

Flash Flood in HARRISON, TEXAS
From 11-MAY-15 02:52:00 to 11-MAY-15 04:45:00 (CST-6)
Location: MARSHALL NORTHEAST
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Portions of Hwy. 59 in Marshall, Texas were flooded and closed.

Tornado in MARION, TEXAS
From 10-MAY-15 22:25:00 to 10-MAY-15 22:27:00 (CST-6)
Location: STALLS
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A damage survey in Marion County found that a severe thunderstorms spawned an EF0 tornado northeast of Jefferson near Highway 248. The tornado snapped and uprooted several trees near Highway 248 northeast of Jefferson before lifting.

Tornado in MARION, TEXAS
From 10-MAY-15 22:28:00 to 10-MAY-15 22:30:00 (CST-6)
Location: LODI
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A damage survey completed in Marion and Cass counties determined that a severe thunderstorm spawned an EF0 tornado along Highway 248 just south of the Cass County line in northern Marion County. This tornado touched down along Highway 248 just south of the community of Lodi and remained on the ground before crossing over into Cass County. The damage consisted of numerous trees snapped and uprooted.

Thunderstorm Wind in PANOLA, TEXAS
From 11-MAY-15 02:57:00 to 11-MAY-15 02:57:00 (CST-6)
Location: BECKVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was downed at FM. 959 near FM. 124 in Beckville, Texas.

Thunderstorm Wind in SHELBY, TEXAS
From 11-MAY-15 03:30:00 to 11-MAY-15 03:30:00 (CST-6)
Location: CENTER
Magnitude: 61.00 EG
Property damage: 130.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An NWS Storm survey team determined that storm damage on the southwest side of Center, Texas was consistent with that of straight line wind damage.   Scattered trees were downed on mainly the west side of town near FM. 138.  Five homes suffered moderate to major damage.

Tornado in CASS, TEXAS
From 10-MAY-15 22:30:00 to 10-MAY-15 22:32:00 (CST-6)
Location: KILDARE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This is a continuation of the tornado that originally touched down in northern Marion County. The tornado remained on the ground along Highway 248 before lifting near the intersection of Highway 248 and County Road 1780. Damage consisted of numerous trees snapped and uprooted.

Thunderstorm Wind in CAMP, TEXAS
From 10-MAY-15 23:10:00 to 10-MAY-15 23:10:00 (CST-6)
Location: PINE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was downed on FM 2254 south southeast of Pittsburg, Texas.

Thunderstorm Wind in CAMP, TEXAS
From 10-MAY-15 23:15:00 to 10-MAY-15 23:15:00 (CST-6)
Location: FAKER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was downed on a powerline on FM 993 east southeast of Pittsburg, Texas.

Thunderstorm Wind in MORRIS, TEXAS
From 10-MAY-15 23:30:00 to 10-MAY-15 23:30:00 (CST-6)
Location: DANGERFIELD
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees were downed across the county.

Thunderstorm Wind in SMITH, TEXAS
From 10-MAY-15 23:30:00 to 10-MAY-15 23:30:00 (CST-6)
Location: TYLER
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Trees and powerlines were downed throughout the county.

Thunderstorm Wind in CHEROKEE, TEXAS
From 11-MAY-15 00:10:00 to 11-MAY-15 00:10:00 (CST-6)
Location: POMONA
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were downed on FM. 177 in the Mount Selman community.

Flash Flood in BOWIE, TEXAS
From 11-MAY-15 00:15:00 to 11-MAY-15 03:30:00 (CST-6)
Location: NEW BOSTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several roads were flooded and closed in and around the New Boston, Texas community.

Thunderstorm Wind in SMITH, TEXAS
From 11-MAY-15 00:19:00 to 11-MAY-15 00:19:00 (CST-6)
Location: LINDALE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Numerous trees were downed in and around the Lindale, Texas community.

Flash Flood in SMITH, TEXAS
From 11-MAY-15 00:30:00 to 11-MAY-15 02:45:00 (CST-6)
Location: EADS
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Several secondary roads and culverts were washed out across Smith County.

Thunderstorm Wind in MARION, TEXAS
From 11-MAY-15 00:30:00 to 11-MAY-15 00:30:00 (CST-6)
Location: BEREA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Large limbs were downed northwest of Jefferson, Texas.

Tornado in CHEROKEE, TEXAS
From 11-MAY-15 00:34:00 to 11-MAY-15 00:36:00 (CST-6)
Location: LONE STAR
Tornado F-scale: EF1
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

It was determined that storm damage east of New Summerfield, Texas was consistent with that of an EF-1 tornado.  The most extensive damage was located west of County Road 2274 between County Road 235 and County Road 4504.  The damage consisted of several trees snapped and/or uprooted.

Thunderstorm Wind in CHEROKEE, TEXAS
From 11-MAY-15 00:35:00 to 11-MAY-15 00:35:00 (CST-6)
Location: NEW SUMMERFIELD
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were downed on the west side of New Summerfield on Hwy. 79 east of the Mud Creek bridge.

Flash Flood in HARRISON, TEXAS
From 11-MAY-15 00:55:00 to 11-MAY-15 04:45:00 (CST-6)
Location: WALKERS MILL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Over 3 feet of water was reported across FM. 449 near Walkers Mill Road north northeast of Hallsville, Texas.

Flash Flood in BOWIE, TEXAS
From 11-MAY-15 00:55:00 to 11-MAY-15 03:30:00 (CST-6)
Location: WHATLEY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The intersection of Moore's Lane and Summerhill Road was flooded and closed.

Flash Flood in HARRISON, TEXAS
From 11-MAY-15 01:45:00 to 11-MAY-15 04:45:00 (CST-6)
Location: HALLSVILLE
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Widespread flooding along Hwy. 80 west of Hallsville.  Several cars were floating in water west of town.