An extremely warm and moist airmass was in place over the region on the morning of August 15th. Abundant sunshine during the morning hours led to the development of extremely high atmospheric instability by early afternoon. This environment led to numerous severe thunderstorms throughout the day, continuing into the evening hours. Numerous damaging wind reports were received, including several reports of damage caused by a strong outflow boundary that surged south across the forecast area.

Thunderstorm Wind in WINSTON, MISSISSIPPI
From 15-AUG-10 14:00:00 to 15-AUG-10 14:00:00 (CST-6)
Location: ROSS
Magnitude: 52.00 EG
Property damage: 10.00K
Reported by: Utility Company

A few trees were downed on power lines.

Thunderstorm Wind in SCOTT, MISSISSIPPI
From 15-AUG-10 15:42:00 to 15-AUG-10 15:49:00 (CST-6)
Location: FOREST MUNI ARPT
Magnitude: 55.00 EG
Property damage: 15.00K
Reported by: Public

Several trees were downed along with a few signs one to two miles south of Forest along Highway 35S. A few trees were also downed along Highway 501 east of Homewood.

Thunderstorm Wind in RANKIN, MISSISSIPPI
From 15-AUG-10 16:10:00 to 15-AUG-10 16:13:00 (CST-6)
Location: FLORENCE
Magnitude: 55.00 EG
Property damage: 25.00K
Reported by: Law Enforcement

Nine trees were downed around Florence. A barn off Cleary Road west of Florence was blown down, with parts of the tin roof scattered for over a hundred yards.

Thunderstorm Wind in MARION, MISSISSIPPI
From 15-AUG-10 18:34:00 to 15-AUG-10 18:50:00 (CST-6)
Location: COLUMBIA
Magnitude: 55.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Emergency Manager recorded a 60 mph wind gust. Also, several trees were downed along New Hope Road, as well as along Highway 587 between Morgantown and Foxworth. Numerous tree limbs were downed along with a tree across a road in the community of Sandy Hook.

Thunderstorm Wind in NESHOBA, MISSISSIPPI
From 15-AUG-10 20:55:00 to 15-AUG-10 21:03:00 (CST-6)
Location: LONGINO
Magnitude: 63.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: County Official

Numerous trees were blown down around Philadelphia. These included locations along CR 428 and 355 near Highway 485, as well as along CR 424 and Highway 21 just north of the fairgrounds.

Thunderstorm Wind in SCOTT, MISSISSIPPI
From 15-AUG-10 21:48:00 to 15-AUG-10 21:48:00 (CST-6)
Location: KALEM
Magnitude: 50.00 EG
Reported by: Public

Multiple trees were blown down along Kalem Road between Morton and Forest.

Thunderstorm Wind in CHOCTAW, MISSISSIPPI
From 15-AUG-10 15:20:00 to 15-AUG-10 15:20:00 (CST-6)
Location: WEIR
Magnitude: 43.00 EG
Property damage: 5.00K
Reported by: County Official

A large oak tree fell on a deck and damaged the deck.

Thunderstorm Wind in FORREST, MISSISSIPPI
From 15-AUG-10 15:58:00 to 15-AUG-10 15:58:00 (CST-6)
Location: BROOKLYN
Magnitude: 53.00 EG
Property damage: 10.00K
Reported by: Law Enforcement

Several trees were downed in the area. A few were on power lines, and one was down across Highway 49.

Thunderstorm Wind in SMITH, MISSISSIPPI
From 15-AUG-10 16:02:00 to 15-AUG-10 16:02:00 (CST-6)
Location: TRENTON
Magnitude: 53.00 EG
Property damage: 5.00K
Reported by: Emergency Manager

Trees downed along County Road 563 as well as Highway 481.

Thunderstorm Wind in FORREST, MISSISSIPPI
From 15-AUG-10 16:25:00 to 15-AUG-10 16:25:00 (CST-6)
Location: RAWLS SPGS
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: Emergency Manager

A tree and a power line were downed in the area.

Thunderstorm Wind in SMITH, MISSISSIPPI
From 15-AUG-10 16:25:00 to 15-AUG-10 16:25:00 (CST-6)
Location: RALEIGH
Magnitude: 55.00 EG
Property damage: 50.00K
Reported by: Emergency Manager

Several trees were downed along Highway 18 in the city of Raleigh. Many utility customers were without power for up to 8 hours.

Thunderstorm Wind in LOWNDES, MISSISSIPPI
From 15-AUG-10 18:50:00 to 15-AUG-10 18:50:00 (CST-6)
Location: INTERSTATE CITY
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Lowndes 911 reported several trees downed in the city.

Thunderstorm Wind in LAWRENCE, MISSISSIPPI
From 15-AUG-10 18:25:00 to 15-AUG-10 18:25:00 (CST-6)
Location: JAYESS
Magnitude: 50.00 EG
Reported by: Law Enforcement

A few trees were reported down in Jayess.

Thunderstorm Wind in LEAKE, MISSISSIPPI
From 15-AUG-10 19:35:00 to 15-AUG-10 19:35:00 (CST-6)
Location: TUSCOLA
Magnitude: 50.00 EG
Reported by: Emergency Manager

A couple trees were blown down in the area.

Thunderstorm Wind in SCOTT, MISSISSIPPI
From 15-AUG-10 20:15:00 to 15-AUG-10 20:25:00 (CST-6)
Location: HILLSBORO
Magnitude: 55.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were downed along Highway 35 in and around Hillsboro. Numerous trees were also downed around Forest and along Highway 35 just north of the town. A couple trees were downed just west of Morton as well.

Thunderstorm Wind in NESHOBA, MISSISSIPPI
From 15-AUG-10 20:37:00 to 15-AUG-10 20:37:00 (CST-6)
Location: SPRING CREEK
Magnitude: 55.00 EG
Reported by: Law Enforcement

Several trees were downed along CR 577 and 832.

Thunderstorm Wind in SIMPSON, MISSISSIPPI
From 15-AUG-10 16:30:00 to 15-AUG-10 16:33:00 (CST-6)
Location: HARRISVILLE
Magnitude: 57.00 EG
Property damage: 20.00K
Reported by: Public

Several trees and power lines were downed across northwest Simpson County.

Thunderstorm Wind in COPIAH, MISSISSIPPI
From 15-AUG-10 16:45:00 to 15-AUG-10 16:45:00 (CST-6)
Location: GEORGETOWN
Magnitude: 50.00 EG
Reported by: Emergency Manager

Trees were downed along Brushy Creek Road.

Thunderstorm Wind in WINSTON, MISSISSIPPI
From 15-AUG-10 21:52:00 to 15-AUG-10 21:52:00 (CST-6)
Location: MC MILLAN
Magnitude: 53.00 EG
Reported by: Law Enforcement

Trees were downed along Highway 14 just west of Louisville near Whitehall Church.

Thunderstorm Wind in CLARKE, MISSISSIPPI
From 15-AUG-10 16:43:00 to 15-AUG-10 16:43:00 (CST-6)
Location: PACHUTA
Magnitude: 50.00 EG
Reported by: Utility Company

A few trees were downed off Highway 18 just southeast of Pachuta.

Thunderstorm Wind in SIMPSON, MISSISSIPPI
From 15-AUG-10 16:47:00 to 15-AUG-10 16:47:00 (CST-6)
Location: BRAXTON
Magnitude: 55.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines downed in the area.

Thunderstorm Wind in COPIAH, MISSISSIPPI
From 15-AUG-10 16:50:00 to 15-AUG-10 16:50:00 (CST-6)
Location: CRYSTAL SPGS
Magnitude: 53.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Power lines and trees downed in Crystal Springs.

Thunderstorm Wind in SIMPSON, MISSISSIPPI
From 15-AUG-10 16:52:00 to 15-AUG-10 16:55:00 (CST-6)
Location: MENDENHALL
Magnitude: 55.00 EG
Property damage: 25.00K
Reported by: Law Enforcement

Trees were blown down along Merit Road near D'Lo, along Cooper Road south of Mendenhall, and trees and power lines were downed in the town of Mendenhall.

Thunderstorm Wind in LAMAR, MISSISSIPPI
From 15-AUG-10 17:07:00 to 15-AUG-10 17:07:00 (CST-6)
Location: TALOWAH
Magnitude: 50.00 EG
Reported by: Emergency Manager

A couple trees were blown down in the area.

Thunderstorm Wind in SIMPSON, MISSISSIPPI
From 15-AUG-10 17:15:00 to 15-AUG-10 17:15:00 (CST-6)
Location: PINOLA
Magnitude: 55.00 EG
Property damage: 15.00K
Reported by: Public

A few power lines were downed in town.

Thunderstorm Wind in COPIAH, MISSISSIPPI
From 15-AUG-10 17:30:00 to 15-AUG-10 17:30:00 (CST-6)
Location: GLANCY
Magnitude: 50.00 EG
Property damage: 10.00K
Reported by: Utility Company

A couple trees, as well as 2 power lines, were downed in the Glancy community.

Thunderstorm Wind in LAWRENCE, MISSISSIPPI
From 15-AUG-10 17:48:00 to 15-AUG-10 17:48:00 (CST-6)
Location: SILVER CREEK
Magnitude: 50.00 EG
Reported by: Law Enforcement

A few trees were downed in the area.

Thunderstorm Wind in JEFFERSON DAVIS, MISSISSIPPI
From 15-AUG-10 17:47:00 to 15-AUG-10 17:47:00 (CST-6)
Location: PRENTISS
Magnitude: 50.00 EG
Reported by: Emergency Manager

Trees were downed in Prentiss.

Thunderstorm Wind in MARION, MISSISSIPPI
From 15-AUG-10 18:11:00 to 15-AUG-10 18:11:00 (CST-6)
Location: CHERAW
Magnitude: 50.00 EG
Reported by: Public

Several tree limbs downed southeast of Columbia.

Thunderstorm Wind in NESHOBA, MISSISSIPPI
From 15-AUG-10 14:45:00 to 15-AUG-10 14:45:00 (CST-6)
Location: LONGINO
Magnitude: 52.00 EG
Property damage: 20.00K
Reported by: Emergency Manager

Several trees down in the area including a 36 inch diameter tree that was blown onto a house. Also, lightning struck a house northwest of Philadelphia.

Thunderstorm Wind in LAUDERDALE, MISSISSIPPI
From 15-AUG-10 15:25:00 to 15-AUG-10 15:25:00 (CST-6)
Location: SUQUALENA
Magnitude: 56.00 EG
Property damage: 20.00K
Reported by: Utility Company

Trees and power lines were downed in the area.

Thunderstorm Wind in JEFFERSON DAVIS, MISSISSIPPI
From 15-AUG-10 18:10:00 to 15-AUG-10 18:10:00 (CST-6)
Location: CARSON
Magnitude: 50.00 EG
Reported by: Emergency Manager

Trees were reported down in the area.

Thunderstorm Wind in LOWNDES, MISSISSIPPI
From 15-AUG-10 18:30:00 to 15-AUG-10 18:30:00 (CST-6)
Location: STEENS
Magnitude: 50.00 EG
Property damage: 25.00K
Reported by: County Official

Trees and power lines were downed off Highway 373 and a few trees were downed along Highway 12 northeast of Columbus.

Thunderstorm Wind in ATTALA, MISSISSIPPI
From 15-AUG-10 19:15:00 to 15-AUG-10 19:15:00 (CST-6)
Location: NEWPORT
Magnitude: 50.00 EG
Reported by: Law Enforcement

A few trees were downed in the area.

Thunderstorm Wind in LAUDERDALE, MISSISSIPPI
From 15-AUG-10 19:22:00 to 15-AUG-10 19:22:00 (CST-6)
Location: LAUDERDALE
Magnitude: 50.00 EG
Reported by: Law Enforcement

Several trees were blown down in the community of Lauderdale.

Thunderstorm Wind in NOXUBEE, MISSISSIPPI
From 15-AUG-10 19:24:00 to 15-AUG-10 19:24:00 (CST-6)
Location: BIGBEE VLY
Magnitude: 50.00 EG
Reported by: Trained Spotter

Numerous large tree limbs were downed in the area. Highway 368 was partially blocked for a short while.

Thunderstorm Wind in LEAKE, MISSISSIPPI
From 15-AUG-10 19:25:00 to 15-AUG-10 19:25:00 (CST-6)
Location: THOMASTOWN
Magnitude: 50.00 EG
Reported by: Emergency Manager

A few trees were downed in the area.

Thunderstorm Wind in LEAKE, MISSISSIPPI
From 15-AUG-10 19:26:00 to 15-AUG-10 19:26:00 (CST-6)
Location: EDINBURG
Magnitude: 50.00 EG
Property damage: 30.00K
Reported by: Emergency Manager

A few trees and power lines were downed along Highway 427 at Ebenezer Road.

Thunderstorm Wind in KEMPER, MISSISSIPPI
From 15-AUG-10 15:21:00 to 15-AUG-10 15:21:00 (CST-6)
Location: KLONDIKE
Magnitude: 43.00 EG
Property damage: 5.00K
Reported by: Utility Company

One tree fell on a power line.

Thunderstorm Wind in WEBSTER, MISSISSIPPI
From 15-AUG-10 19:40:00 to 15-AUG-10 19:40:00 (CST-6)
Location: CADARETTA
Magnitude: 50.00 EG
Reported by: Law Enforcement

A few trees were downed across Highway 404 blocking the road.

Thunderstorm Wind in WEBSTER, MISSISSIPPI
From 15-AUG-10 20:55:00 to 15-AUG-10 20:55:00 (CST-6)
Location: EUPORA
Magnitude: 50.00 EG
Reported by: Law Enforcement

Three trees were downed in Eupora and one of the trees was across a road.

Lightning in NESHOBA, MISSISSIPPI
From 15-AUG-10 14:40:00 to 15-AUG-10 14:40:00 (CST-6)
Location: PHILADELPHIA
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Lightning struck a home and caused minor damage.

Flash Flood in MARION, MISSISSIPPI
From 15-AUG-10 19:10:00 to 15-AUG-10 19:45:00 (CST-6)
Location: FORTENBERRY
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several inches of water were flowing across a road 5 miles southeast of Columbia. A few streets were flooded around the town of Columbia as well.

Thunderstorm Wind in COVINGTON, MISSISSIPPI
From 15-AUG-10 17:20:00 to 15-AUG-10 17:20:00 (CST-6)
Location: MT OLIVE
Magnitude: 53.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees downed onto power lines in the town of Mount Olive.

Thunderstorm Wind in LINCOLN, MISSISSIPPI
From 15-AUG-10 18:09:00 to 15-AUG-10 18:09:00 (CST-6)
Location: CAM
Magnitude: 50.00 EG
Property damage: 13.00K
Crop damage: 0.00K
Reported by: Utility Company

A few trees and some power lines were downed between Brookhaven and Ruth. Exact location is unknown.

Thunderstorm Wind in LEAKE, MISSISSIPPI
From 15-AUG-10 21:55:00 to 15-AUG-10 21:55:00 (CST-6)
Location: THOMASTOWN
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Several trees were downed along old Pickens Road and Highway 429.