Tornadoes and Hail in Oklahoma, May 10, 2010

The hail was reported on the northwest side of town.

The hail broke numerous winds at several businesses. The report was relayed by NWS Tulsa.

Tornado #A1. A brief tornado was observed southwest of SH-132 and SH-11 by several storm chasers. No known damage occurred.

This is the Grant County portion of tornado #A2. This tornado developed as a multiple-vortex tornado along State Highway 11 southwest of Wakita. The tornado initially moved east and southeast continuing to affect State Highway 11 before beginning an east-northeast movement across Grant County. The tornado was a large and occasionally multiple-vortex tornado as it moved northwest and north of Medford and was embedded within a larger scale circulation that was strong enough to produce damage along a wide area around the tornado path. The tornado caused significant structural damage about 5 miles northwest of Medford and 5 miles east of Renfrow, and many areas of tree and power pole damage. This tornado moved into Kay County.

While the large multiple-vortex tornado (see entry for tornado A2 in Grant County) was developing southwest of Wakita, a storm chaser documented a satellite tornado that formed to the southeast of the primary tornado and moved northeast. This tornado persisted for about 30 seconds. No known damage occurred. Note: Although this tornado is the third tornado produced by supercell A, this tornado will be labeled as tornado A7 due to the late addition of this report and to preserve the continuity of labels of the other tornadoes produced by this supercell.

Tornado #A3. A brief tornado was observed southwest of the main tornado moving through Grant County. No damage was reported and the location is estimated.

This is the Grant County portion of tornado #A4. A tornado developed and moved east-northeast a few minutes behind Tornado #A2 along a nearly parallel path to the south. This tornado produced significant tree damage and snapped power poles in Grant County before moving into Kay County.

The hail dented the siding and broke the windows of several cars. Monetary damage estimates were not available.

Tornado #A5. Another tornado developed and moved a few minutes ahead of tornado #A2 and a couple of miles to the south. The tornado caused significant tree damage along the entire path. Just west of Interstate 35, a house suffered significant roof damage, although it was somewhat protected by a number of large trees just west of the house. Two semi trucks was blown over as this tornado crossed Interstate 35 two miles south of the Kansas state line.

This is the Kay County portion of tornado #A2. The tornado crossed into Kay County from Grant County and continued to produce significant damage. One home was destroyed and another significantly damaged between the Grant County line and U.S. Highway 177. After the tornado crossed US-177, an anchored mobile home was destroyed and blown to the east, and a tri-level home was destroyed with the top floor blown about 50 yards northeast into some trees, and the ground floor pivoted and was displaced to the northwest exposing the basement where one minor injury occurred. The tornado continued to produce significant tree damage as it moved east-northeast, and blew semi trucks over along Interstate 35 at the Kansas state line. This tornado crossed into Sumner County Kansas. See documentation from the NWS Wichita KS for additional information.

Tornado #A6. An anticyclonic tornado snapped a power pole and damaged trees as it moved east-northeast.

Kay County portion of tornado #A4. This tornado moved into Kay County from Grant County and continued to produce tree damage before dissipating about one mile inside Kay County.

Tornado #C1. A tornado was observed and photographed by broadcast media and numerous citizens southwest of Yukon. No damage was reported and the path was estimated.

Canadian County portion of tornado #H1. An outbuilding was significantly damaged just south of the Kingfisher County line and east of Piedmont Road. The storm then moved into Kingfisher County.

Kingfisher County portion of Tornado #H1. This tornado moved into Kingfisher County from Canadian County and moved northeast damaging outbuildings, trees and power lines across the southeastern portion of Kingfisher County. The tornado moved into Logan County just southeast of Cashion.

Tornado #B1. Storm chasers reported a brief tornado north-northeast of Red Rock. No damage was reported and the location is estimated.

Logan County portion of tornado #H1. The tornado moved into Logan County from Kingfisher County just southeast of Cashion. The tornado moved northeast another half of a mile damaging tree limbs and an antenna.

The hail was reported approximately 8 miles south of Ponca City.

Tornado #B2. Storm chasers observed this tornado developing east of US-177. It quickly became rain-wrapped and moved across rural northeastern Noble County. A house was damaged 12.5 miles east of Marland just before the tornado crossed the Arkansas River into Osage County. See documentation from the NWS Tulsa OK for information about the tornado in Osage County.

Tornado #B3. Storm chasers observed this anticyclonic tornado. Roof damage was reported a mile west of US-177, and some damage occurred at a casino as the tornado crossed US-177.

The hail was reported on Highway 53 at Corum Road.

A barn was destroyed.

Tornado #D1. A tornado developed within the town of Hastings and moved northeast, seriously damaging a home. The tornado continued northeast over Waurika Lake and dissipated near the east shore of the lake.

Tornado #C2. An Oklahoma City police officer observed a tornado touch down briefly near Memorial Road and Pennsylvania Avenue. No damage was reported.

The anticyclonic tornado moved from northeast Stephens County into southeast Grady County. Damage was reported to fences, trees, and around 20 power poles, and several structures were damaged. Minor damage to mobile homes was also reported. Monetary damages were estimated. This tornado is labeled #G1.

This tornado is labeled I1. This long-tracked and devastating tornado developed west of I-35, northwest of Max Westheimer airport. Widespread tree, power line/pole damage was reported from near I-35 to the east side of Stanley Draper Lake. Several homes also sustained damage, mainly with mostly roofs receiving significant damage, and some siding was ripped off. Several fences were also knocked down as the tornado moved northeast. From the east side of Lake Stanley Draper, near Hiwassee Road and SE 89th Street, to just south of Harrah, the damage path became more severe and focused. The tree damage became more severe, breaking at various heights of the tree or being uprooted. Walls of homes collapsed, and debris from the homes scattered in all directions. Several 2x4's punctured roofs and ceilings over numerous structures. A few mobile homes in this area were also completely destroyed. Where the tornado crossed I-40, a gas station and drive-in restaurant sustained up to EF3 damage. The most severe damage, one of the two EF4 tornadoes of the day, occurred in the Deerfield West Subdivision. A well-built residence here was completely destroyed, with most exterior and interior walls collapsing. The tornado finally lifted 2 miles south of Harrah. In addition to the incredible damage, one person lost their life while trying to flee the tornado.

The hail was reported near 116th Street and Coyle Road.

This tornado is labeled #G1.This anticyclonic tornado continued from northeast Stephens County into southeast Grady County. Damage was reported to fences, trees, and around 20 power poles, and several structures were damaged. Minor damage to mobile homes was also reported. Monetary damages were estimated.

Tornado #I2. Power poles and a house were damaged near and just east of Broadway Street and Eastern Avenue in the southern portion of Moore. As the tornado moved northeast, most of the roof was removed from a mobile home and trees were damaged west of Sunnylane Road north of NE 12th Street, and shingle damage occurred on a house just east of Sunnylane Road.

Photographic evidence showed numerous hail stones at least softball size, with one picture showing a measured stone of 4.6. Other hail stones were reportedly up to 5 in diameter. Some of the hail either embedded in roof tops, or punctured their way through. Significant damage to automobiles was also reported throughout the town of Moore.

Tornado #I3. Roof damage occurred at a restaurant near SE 34th Street and Sooner Road in southeast Moore. The tornado moved east-northeast across Sooner Road into a neighborhood, producing tree and roof damage before dissipating.

Tree damage was also reported with the hail.

This tornado is labeled #J1, and moved into Pottawatomie County near state highway 9. The tornado a few hundred yards east of the National Weather Center in Norman, Oklahoma. The damage intensity increased gradually along the path with significant damage beginning as the tornado approached Lake Thunderbird. This tornado crossed Lake Thunderbird, severely damaging two campgrounds and the marina where about 300 boats were docked. The most severe damage occurred from the Little Axe School to the Cleveland/Pottawatomie county line. Trees were stripped of some bark and branches. Large objects were thrown considerable distances, including some concrete pillars. The metal bleachers near the school were tossed or rolled several hundred yards. Some appliances were also lofted as a dryer was found about 50 feet up in a tree. Considerable structural damage also occurred, as some foundation homes were mostly destroyed. In addition to the damage, one person lost their life as a result of the tornado.

A 56 knot wind gust was measured at the National Weather Center as the tornado moved south of the building.

Tornado #J2. This anticyclonic tornado developed in the southern portion of Norman south of State Highway 9 near Chautauqua Avenue and to the southwest of tornado #J1. The tornado moved east-northeast causing roof, tree and fence damage to neighborhoods along Cedar Lane, especially after crossing U.S. Highway 77. The tornado continued to produce tree damage as it moved east and east-northeast. It crossed State Highway 9 to the east of SE 48th Avenue and moved into a neighborhood to the northwest of SE 60th Avenue and Highway 9 a few minutes after tornado #J1 had caused damage in this same neighborhood. The tornado dissipated near SE 60th Avenue.

This tornado is a continuation of the tornado that began in Cleveland County, labeled #I1. This long-tracked and devastating tornado developed west of I-35, northwest of Max Westheimer airport. Widespread tree, power line/pole damage was reported from near I-35 to the east side of Stanley Draper Lake. Several homes also sustained damage, mainly with mostly roofs receiving significant damage, and some siding was ripped off. Several fences were also knocked down as the tornado moved northeast. From the east side of Lake Stanley Draper, near Hiwassee Road and SE 89th Street, to just south of Harrah, the damage path became more severe and focused. The tree damage became more severe, breaking at various heights of the tree or being uprooted. Walls of homes collapsed, and debris from the homes scattered in all directions. Several 2x4's punctured roofs and ceilings over numerous structures. A few mobile homes in this area were also completely destroyed. Where the tornado crossed I-40, a gas station and drive-in restaurant sustained up to EF3 damage. The most severe damage, one of the two EF4 tornadoes of the day, occurred in the Deerfield West Subdivision. A well-built residence here was completely destroyed, with most exterior and interior walls collapsing. The tornado finally lifted 2 miles south of Harrah. In addition to the incredible damage, two people lost their lives as a result of the tornado.

The anticyclonic tornado occurred over southern McClain county. The most significant damage occurred at the Mid America Technology Center. Some AC units were blown off of the roof and some of the doors were blown in. This tornado is labeled #G2. Monetary damages were estimated.

This brief tornado produced minor damage to a shed. This tornado is labeled #G3. Monetary damages were estimated.

Cleveland County portion of tornado #J3. The tornado developed west of SE 120th Avenue between Maguire Road and Cemetary Road. The tornado moved through a mobile home park northeast of SE 120th Avenue and Maguire Road causing significant damage to a number of the mobile homes and injuring 2 people. The tornado continue to cause tree damage as it moved northeast, then heavily damaged the Country Boy IGA grocery store and service station on State Highway 9 to the east of Lake Thunderbird. The tornado began to move east-northeast and moved into Pottawatomie County along State Highway 9 about one minute before tornado #J1 also crossed into Pottawatomie County at about the same location.

Tornado #E1. A tornado was observed moving through pastureland to the west-southwest of Cornish. No damage was reported.

This tornado is labeled #L1. The tornado developed near the junction of Walker and Ingram Roads, causing major damage to home and damaging several trees. The tornado crossed to the east side of the lake, downing high tension power lines and another residence. The tornado grew to its widest near Highway 102. Another home, a mobile home, and barn were severely damaged just east of the highway. Metal poles that were embedded in concrete at the barn were ripped out of the ground with the concrete still attached. A 80,000 pound box car was rolled about 300 yards. A few trees that were damaged were debarked. The tornado lifted south of Interstate 40.

Tornado #D2. A tornado was observed and photographed by storm spotters to the east of Loco which damaged a barn and a few trees. The path of the tornado is estimated.

Pottawatomie County portion of Tornado #J3. The tornado moved into Pottawatomie County from Cleveland County and was generally about one mile northeast of tornado #J1 in Pottawatomie County. This tornado continued north of State Highway 9 causing tree and roof damage on the west side of State Highway 102 before dissipating.

Pottawatomie County portion of tornado #J1. This tornado crossed into Pottawatomie County from Cleveland County near State Highway 9. The tornado crossed the path of tornado #J3 and remained south of State Highway 9 in Pottawatomie County, causing tree damage along State Highway 102 before dissipating.

This tornado lasted for at least 30 miles and continued into Seminole and Okfuskee counties, with significant damage along almost its entire path. At times, the tornado damage path widened up to a mile. The most significant damage was located north and northeast of Earlsboro near the Pottawatomie/Seminole county border. Here a two story home was destroyed except for a few interior walls. A pick-up truck was also lofted approximately a quarter of a mile, and a semi-trailer was lofted or rolled approximately 200 yards. Farther east along its path, seven high tension towers were downed. Significant tree damage was reported along the entire track of the tornado, some of them debarked and stripped off all their branches. This tornado is labeled #J4.

This tornado moved into Seminole County.

Tornado #E2. Mobile homes were destroyed and seriously damaged and significant tree damage occurred as a tornado moved from 4 miles south-southwest of Healdton to 2 miles north-northwest of Wilson.

This tornado continued from Pottawatomie county, moved through Seminole county and continued into Okfuskee County just east of Cromwell. This tornado lasted at least 30 miles, with significant damage along its entire path. At times, the tornado damage path widened up to a mile. The most significant damage was located north and northeast of Earlsboro near the Pottawatomie/Seminole county border. Here a two story home was destroyed except for a few interior walls. A pick-up truck was also lofted approximately a quarter of a mile, and a semi-trailer was lofted or rolled approximately 200 yards. Farther east along its path, seven high tension towers were downed. Several hangers were destroyed at the Seminole Municipal Airport north of Seminole, and one small aircraft was flipped onto one of the destroyed hangers. Two mobile homes were destroyed near the airport and one resident suffered a broken arm. Significant tree damage was reported along the entire track of the tornado, some of them debarked and stripped off all their branches. See the documentation by the NWS Tulsa office for information of this tornado in Okfuskee County. This tornado is labeled #J4.

At least 4 mobile homes and 1 foundation home were destroyed by a large tornado. Other homes and outbuildings sustained minor to moderate damage. Widespread tree and power line damage was also noted along its track, and some high tension lines were downed. This tornado is labeled #E3. Monetary damages were estimated.

Tornado #E4. A tornado was observed and videotaped just outside the Ardmore city limits. The time and location of this tornado were estimated.

The hail was reported at the National Weather Center.

The report was relayed by the NWS Amarillo.

The hail was reported at the Lake Murry Marina.

Tornado #M1. This tornado moved east in eastern Cleveland County just north of State Highway 39 damaging trees. No structural damage was reported.

Lots of trees were damaged along the tornadoes path. At beginning of the path, a local store sustained EF1 damage. Other minor damage to structures was reported along its track. This tornado is labeled #K1. Monetary damages were estimated.

Roof damage was reported to a business just north of Wanette near the intersection of State Highway 39 and State Highway 102.

Tornado #K2. This tornado was observed by spotters near Lebanon. No damage was reported and the location is estimated.

Tornado #K3. A second tornado was observed by spotters near Lebanon. No damage was reported and the location is estimated.

Minor roof damage and downed tree limbs were also reported at this location.

The hail was reported along Highway 77.

Tornado #N1. Johnston County Emergency Management reported a tornado southwest and south of Mill Creek. No damage was reported and the location is estimated.

This tornado is labeled #N2. The tornado developed about a mile south-southeast of Coleman and moved southeast another mile, eventually traveling just into Atoka county. Several buildings, including a home, sustained major damage. Four other homes sustained at least partial damage. The U Cross Arena and Pavilion was heavily damaged, with part of the roof moved removed, steal beams on the outside of the building knocked down, and a section of the building completely destroyed. The tornado continued across the Atoka county border.

This tornado moved into Atoka County.

Atoka County portion of tornado #N2. The tornado that created damage near Coleman in Johnson County moved into Atoka County producing light damage.

No damage was reported with the wind gust.