A stationary front was located across the Mid-South during the day on June 12th, 2009. During the early morning hours, a mesoscale convective system developed over Eastern Oklahoma and tracked east into the Mid-South during the afternoon and evening hours. A derecho tracked across the Mid-South producing numerous reports of damaging winds, large hail and flash flooding. Wind speeds were reported as high as 80 mph. Isolated tornadoes occurred along the bow echo. In addition, scattered thunderstorms developed over ahead of the bow echo and produced large hail, damaging winds and flash flooding as well.

Flash Flood in PONTOTOC, MISSISSIPPI
From 12-JUN-09 16:45:00 to 12-JUN-09 18:45:00 (CST-6)
Location: ECRU
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rain produced street flooding in Ecru.

Thunderstorm Wind in COAHOMA, MISSISSIPPI
From 12-JUN-09 15:50:00 to 12-JUN-09 16:00:00 (CST-6)
Location: CLARKSDALE
Magnitude: 50.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Newspaper

Straight line winds snapped six power poles in Clarksdale. Several trees and power lines were knocked down as well.

Thunderstorm Wind in TIPPAH, MISSISSIPPI
From 12-JUN-09 16:45:00 to 12-JUN-09 16:50:00 (CST-6)
Location: FALKNER
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Winds were estimated at 70 mph near Falkner. Small to medium branches were snapped off several trees.

Thunderstorm Wind in DE SOTO, MISSISSIPPI
From 12-JUN-09 15:59:00 to 12-JUN-09 15:59:00 (CST-6)
Location: OLIVE BRANCH
Magnitude: 68.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Winds were measured at 78 mph at an observation site located in Olive Branch City Park.

Thunderstorm Wind in LAFAYETTE, MISSISSIPPI
From 12-JUN-09 16:15:00 to 12-JUN-09 16:35:00 (CST-6)
Location: BURGESS
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Straight line winds produced county wide damage across LaFayette County. Numerous trees and power lines were knocked down. Two homes were severely damaged in the county. In the city of Oxford, three additional homes received damage. Two trees fell down on vehicles on the Thacker Loop in Oxford.

Thunderstorm Wind in DE SOTO, MISSISSIPPI
From 12-JUN-09 15:45:00 to 12-JUN-09 15:50:00 (CST-6)
Location: ALDENS
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Straight line winds blew numerous trees down Southaven. Some trees fell on cars.

Hail in DE SOTO, MISSISSIPPI
From 12-JUN-09 15:50:00 to 12-JUN-09 15:58:00 (CST-6)
Location: OLIVE BRANCH
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in COAHOMA, MISSISSIPPI
From 12-JUN-09 15:50:00 to 12-JUN-09 15:55:00 (CST-6)
Location: LYON
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in DE SOTO, MISSISSIPPI
From 12-JUN-09 15:50:00 to 12-JUN-09 15:58:00 (CST-6)
Location: OLIVE BRANCH
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Straight line winds blew numerous trees and power lines down across Olive Branch.

Thunderstorm Wind in DE SOTO, MISSISSIPPI
From 12-JUN-09 15:37:00 to 12-JUN-09 15:42:00 (CST-6)
Location: HERNANDO
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Straight line winds blew numerous trees down in and around Hernando.

Thunderstorm Wind in DE SOTO, MISSISSIPPI
From 12-JUN-09 15:37:00 to 12-JUN-09 15:42:00 (CST-6)
Location: EUDORA
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Public

Straight line winds blew several trees down in Eudora.

Thunderstorm Wind in TATE, MISSISSIPPI
From 12-JUN-09 15:40:00 to 12-JUN-09 15:45:00 (CST-6)
Location: STRAYHORN
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Straight line winds produced widespread tree damage near Strayhorn. Power lines were also knocked down in the area.

Thunderstorm Wind in DE SOTO, MISSISSIPPI
From 12-JUN-09 15:41:00 to 12-JUN-09 15:46:00 (CST-6)
Location: HORN LAKE
Magnitude: 63.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Straight line winds blew down numerous trees and power lines in and around Horn Lake. Many roofs had shingle damage as well.

Hail in PANOLA, MISSISSIPPI
From 12-JUN-09 14:50:00 to 12-JUN-09 14:55:00 (CST-6)
Location: BATESVILLE
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAFAYETTE, MISSISSIPPI
From 12-JUN-09 14:20:00 to 12-JUN-09 14:25:00 (CST-6)
Location: OXFORD
Magnitude: 0.75 
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in TUNICA, MISSISSIPPI
From 12-JUN-09 15:25:00 to 12-JUN-09 15:40:00 (CST-6)
Location: TUNICA
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Straight line winds knocked down trees and power lines county wide across Tunica County.

Hail in PANOLA, MISSISSIPPI
From 12-JUN-09 15:35:00 to 12-JUN-09 15:40:00 (CST-6)
Location: COURTLAND
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail fell 5 miles south of Batesville.

Thunderstorm Wind in MONROE, MISSISSIPPI
From 12-JUN-09 14:07:00 to 12-JUN-09 14:11:00 (CST-6)
Location: BECKER
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Straight line winds knocked down a few trees on Highway 25 South near Becker.

Hail in PANOLA, MISSISSIPPI
From 12-JUN-09 14:05:00 to 12-JUN-09 14:10:00 (CST-6)
Location: BATESVILLE
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in CALHOUN, MISSISSIPPI
From 12-JUN-09 14:10:00 to 12-JUN-09 14:15:00 (CST-6)
Location: BRUCE HASTING ARPT
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Straight line winds knocked a few trees down near the intersection of County Road 137 and County Road 141 northeast of Bruce.

Thunderstorm Wind in LAFAYETTE, MISSISSIPPI
From 12-JUN-09 14:20:00 to 12-JUN-09 14:25:00 (CST-6)
Location: OXFORD
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Straight line winds knocked down several large limbs and a few small trees on the University of Mississippi campus in Oxford.

Hail in CALHOUN, MISSISSIPPI
From 12-JUN-09 13:10:00 to 12-JUN-09 13:15:00 (CST-6)
Location: BRUCE
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CALHOUN, MISSISSIPPI
From 12-JUN-09 13:12:00 to 12-JUN-09 13:17:00 (CST-6)
Location: BRUCE
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MONROE, MISSISSIPPI
From 12-JUN-09 13:45:00 to 12-JUN-09 13:50:00 (CST-6)
Location: ABERDEEN
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in UNION, MISSISSIPPI
From 12-JUN-09 16:50:00 to 12-JUN-09 16:55:00 (CST-6)
Location: INTERPRISE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Straight line winds knocked down trees and power lines in New Albany and across the rest of Union County.

Thunderstorm Wind in PONTOTOC, MISSISSIPPI
From 12-JUN-09 16:52:00 to 12-JUN-09 17:00:00 (CST-6)
Location: ECRU
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Straight line winds damaged four houses in Ecru. Numerous trees and power lines were knocked down in the city of Pontotoc and across the rest of Pontotoc County. A few porches were damaged in the city of Pontotoc as well.

Thunderstorm Wind in TIPPAH, MISSISSIPPI
From 12-JUN-09 16:55:00 to 12-JUN-09 17:00:00 (CST-6)
Location: WALNUT
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Straight line winds knocked a tree down on a house in Dumas. Numerous trees and power lines were knocked down throughout in Tippah County. Six power poles were destroyed as well. One tree fell across a vehicle. No injuries were reported.

Thunderstorm Wind in ALCORN, MISSISSIPPI
From 12-JUN-09 17:00:00 to 12-JUN-09 17:15:00 (CST-6)
Location: CORINTH
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Straight line winds blew knocked numerous trees and power lines down across Alcorn County. Two homes sustained major roof damage. Additional homes received minor damage. One barn was damaged from the winds as well.

Thunderstorm Wind in CHICKASAW, MISSISSIPPI
From 12-JUN-09 17:20:00 to 12-JUN-09 17:25:00 (CST-6)
Location: HOUSTON
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Straight line winds blew a few trees and power lines down across Chickasaw County.

Thunderstorm Wind in TISHOMINGO, MISSISSIPPI
From 12-JUN-09 17:25:00 to 12-JUN-09 17:30:00 (CST-6)
Location: TISHOMINGO
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Straight line winds blew trees down across southern portions of the Tishomingo County including Tishomingo, Belmont, and Golden.

Thunderstorm Wind in MONROE, MISSISSIPPI
From 12-JUN-09 17:25:00 to 12-JUN-09 17:30:00 (CST-6)
Location: AMORY
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Straight line winds blew large trees down on a few roads. Power lines were also knocked down in portions of Amory causing power outages. A tree fell on a house causing damage to the roof.

Thunderstorm Wind in MONROE, MISSISSIPPI
From 12-JUN-09 17:30:00 to 12-JUN-09 17:35:00 (CST-6)
Location: HATLEY
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Straight line winds blew trees and power lines down across the north central and northeast portions of Monroe County. The roof of a baseball dug out was blown off at the Hatley School.

Thunderstorm Wind in PANOLA, MISSISSIPPI
From 12-JUN-09 15:55:00 to 12-JUN-09 16:00:00 (CST-6)
Location: BATESVILLE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Newspaper

Straight line winds knocked down power lines and power poles around Batesville.

Flash Flood in PANOLA, MISSISSIPPI
From 12-JUN-09 15:55:00 to 12-JUN-09 19:00:00 (CST-6)
Location: BATESVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rain produced flash flooding in and around Batesville. Numerous streets were flooded as a result.

Thunderstorm Wind in YALOBUSHA, MISSISSIPPI
From 12-JUN-09 16:25:00 to 12-JUN-09 16:30:00 (CST-6)
Location: WATER VLY
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Straight line winds blew a few trees and power lines down in Water Valley.

Thunderstorm Wind in BENTON, MISSISSIPPI
From 12-JUN-09 16:30:00 to 12-JUN-09 16:35:00 (CST-6)
Location: HICKORY FLAT
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Straight line winds flipped an 18-wheeler on it's side on Highway 78 at the Hickory Flat exit.

Thunderstorm Wind in LEE, MISSISSIPPI
From 12-JUN-09 17:05:00 to 12-JUN-09 17:05:00 (CST-6)
Location: (TUP)LEMONS ARPT TUP
Magnitude: 72.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Tupelo Airport registered a sustained wind of 64.2 mph with a gust of 82.4 mph as a line of thunderstorms moved over the airport.

Thunderstorm Wind in YALOBUSHA, MISSISSIPPI
From 12-JUN-09 16:35:00 to 12-JUN-09 16:40:00 (CST-6)
Location: BRUCE JCT
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Straight line winds knocked down a few large trees and power lines in Coffeeville. One tree fell on a house and caused considerable damage.

Thunderstorm Wind in CALHOUN, MISSISSIPPI
From 12-JUN-09 16:45:00 to 12-JUN-09 17:00:00 (CST-6)
Location: BANNER
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Straight line winds blew numerous trees and power lines down across the northern half of Calhoun County. Concord Baptist Church located in the northwest portion of Calhoun County sustained damage when a few trees fell onto the church.

Thunderstorm Wind in LEE, MISSISSIPPI
From 12-JUN-09 17:06:00 to 12-JUN-09 17:20:00 (CST-6)
Location: GUNTOWN
Magnitude: 70.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Straight line winds knocked down numerous trees and power lines across Lee County.

Thunderstorm Wind in PRENTISS, MISSISSIPPI
From 12-JUN-09 17:10:00 to 12-JUN-09 17:15:00 (CST-6)
Location: BOONEVILLE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Straight line winds ripped a roof off a business in Downtown Booneville. A few trees fell on a house at North Lake Street as well.

Thunderstorm Wind in ITAWAMBA, MISSISSIPPI
From 12-JUN-09 17:15:00 to 12-JUN-09 17:20:00 (CST-6)
Location: FAIRVIEW
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Straight line winds knocked down trees and power lines over the northwest half of the county between Evergreen, Dorsey and Fairview including the Highway 363 corridor.

Thunderstorm Wind in UNION, MISSISSIPPI
From 12-JUN-09 16:39:00 to 12-JUN-09 16:44:00 (CST-6)
Location: MYRTLE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Newspaper

Straight line winds knocked down trees and produced some minor damage to one home near Myrtle.

Hail in DE SOTO, MISSISSIPPI
From 12-JUN-09 15:52:00 to 12-JUN-09 15:57:00 (CST-6)
Location: CEDARVIEW
Magnitude: 0.88 
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DE SOTO, MISSISSIPPI
From 12-JUN-09 15:50:00 to 12-JUN-09 15:55:00 (CST-6)
Location: OLIVE BRANCH
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail fell at the intersection of Hacks Cross Road and Goodman Road in Olive Branch.

Thunderstorm Wind in TALLAHATCHIE, MISSISSIPPI
From 12-JUN-09 16:15:00 to 12-JUN-09 16:20:00 (CST-6)
Location: PAYNES
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Straight line winds blew numerous trees down and damaged seven structures across Tallahatchie County. The roof was torn off a mobile home. Most of the damage occurred between the Panola County line and Paynes along Highway 35.

Thunderstorm Wind in LAFAYETTE, MISSISSIPPI
From 12-JUN-09 16:15:00 to 12-JUN-09 16:20:00 (CST-6)
Location: HARMONTOWN
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Straight line winds knocked down a few trees in Harmontown.

Thunderstorm Wind in YALOBUSHA, MISSISSIPPI
From 12-JUN-09 16:15:00 to 12-JUN-09 16:20:00 (CST-6)
Location: OAKLAND
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Straight line winds blew numerous trees and power lines down in Oakland. One tree fell on a roof of a house and caused some damage. One wall of a former grocery store collapsed due to the high winds. A few sheds were damaged as well. One firefighter was injured during the clean-up.

Hail in PANOLA, MISSISSIPPI
From 12-JUN-09 15:58:00 to 12-JUN-09 16:03:00 (CST-6)
Location: BATESVILLE
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in TATE, MISSISSIPPI
From 12-JUN-09 15:58:00 to 12-JUN-09 16:03:00 (CST-6)
Location: BET
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Straight line winds destroyed a garage on Wall Hill Road east of Independence.

Flash Flood in LAFAYETTE, MISSISSIPPI
From 12-JUN-09 16:24:00 to 12-JUN-09 18:24:00 (CST-6)
Location: OXFORD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rain produced street flooding at the University of Mississippi.

Thunderstorm Wind in QUITMAN, MISSISSIPPI
From 12-JUN-09 16:00:00 to 12-JUN-09 16:05:00 (CST-6)
Location: MARKS
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Straight line winds blew trees and power lines down in Marks.

Thunderstorm Wind in DE SOTO, MISSISSIPPI
From 12-JUN-09 15:58:00 to 12-JUN-09 16:03:00 (CST-6)
Location: OLIVE BRANCH
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: NWS Employee

Straight line winds blew trees and power lines down northeast of Olive Branch.

Thunderstorm Wind in MARSHALL, MISSISSIPPI
From 12-JUN-09 16:00:00 to 12-JUN-09 16:05:00 (CST-6)
Location: BYHALIA
Magnitude: 70.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Straight line winds knocked a tree down onto a house in Byhalia. A car wash also destroyed from the wind. Several additional trees and power lines were knocked down as well. Some of the trees fell onto houses causing considerable damage.

Thunderstorm Wind in YALOBUSHA, MISSISSIPPI
From 12-JUN-09 16:10:00 to 12-JUN-09 16:15:00 (CST-6)
Location: ENID LAKE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Straight line winds blew numerous trees down at the Wallace Creek Campground on the north side of Enid Dam.

Tornado in DE SOTO, MISSISSIPPI
From 12-JUN-09 15:58:00 to 12-JUN-09 16:01:00 (CST-6)
Location: OLIVE BRANCH
Tornado F-scale: EF2
Property damage: 4.00M
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down at the truck weighing scales on Highway 78 about 1 mile southeast of Goodman Road in Olive Branch. The tornado had a non continuous track to the east-northeast for 2.9 miles and ended a few hundred yards east of Hacks Cross Road about one half mile south of Goodman Road. The maximum estimated winds were 125 mph. There was widespread damage along the tornado track in Olive Branch. Numerous trees and power lines were knocked down. Four homes were destroyed while numerous other homes suffered some degree of damage. Streets that suffered the heaviest damage included Roberta Street, College Street, Blocker Street, Chickasaw Drive, Cherokee Drive, Sequoia Lane, Seminole Drive and Magnolia Drive. Several schools and public buildings were also damaged including the Olive Branch Elementary, Middle and High Schools, the Chickasaw Elementary School, the Olive Branch Community Center and the Olive Branch City Shop. The Olive Branch Middle School alone suffered $500,000 in damage. The tornado cleanup costs totaled $350,000 for the city of Olive Branch. There was one minor injury associated with the tornado in Olive Branch.