An unseasonably warm and moist airmass was in place across the region ahead of a powerful upper wave moving out of the 4 corners region. This led to the development of numerous severe thunderstorms across Oklahoma and Texas during the afternoon and evening of the 10th. Several tornadoes were reported, along with hail larger than baseballs that impacted Norman, OK for the second time in six months, leading to millions of dollars in damages once again to homes, cars, and businesses.

Thunderstorm Wind in BRYAN, OKLAHOMA
From 10-OCT-21 21:00:00 to 10-OCT-21 21:00:00 (CST-6)
Location: COBB
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees downed on houses.

Hail in CLEVELAND, OKLAHOMA
From 10-OCT-21 19:06:00 to 10-OCT-21 19:06:00 (CST-6)
Location: NORMAN
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in BRYAN, OKLAHOMA
From 10-OCT-21 21:00:00 to 10-OCT-21 21:00:00 (CST-6)
Location: MEAD
Magnitude: 61.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees downed, barn damaged, fence knocked over, and a carport was destroyed.

Tornado in OKLAHOMA, OKLAHOMA
From 10-OCT-21 19:21:00 to 10-OCT-21 19:25:00 (CST-6)
Location: HARRAH
Tornado F-scale: EF0
Property damage: 20.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado developed just southwest of Northeast 63rd Street and Dobbs Road to the north-northwest of Harrah. One mobile home sustained roof damage, otherwise the observed damage was generally confined to trees. The tornado crossed into Lincoln County at Britton Road.

Tornado in POTTAWATOMIE, OKLAHOMA
From 10-OCT-21 19:41:00 to 10-OCT-21 19:43:00 (CST-6)
Location: DALE
Tornado F-scale: EF0
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado developed approximately 1.5 miles south-southwest of Dale as indicated by a Tornado Debris Signature in this location, although this area was not accessible to the survey team. The tornado moved north-northeast damaging trees and a service station canopy just north of Interstate 40. A barn west of Dale was also damaged.

Tornado in POTTAWATOMIE, OKLAHOMA
From 10-OCT-21 19:54:00 to 10-OCT-21 19:58:00 (CST-6)
Location: JOHNSON
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

This tornado initially developed about 2 miles west-southwest of Johnson, likely in the North Canadian River valley as evidenced by the development of a Tornado Debris Signature on radar. The tornado moved northeast producing mainly tree damage, including a tree damaging the roof of a house along Garretts Lake Road. Much of the path of this tornado was estimated being in inaccessible areas.

Tornado in PONTOTOC, OKLAHOMA
From 10-OCT-21 20:26:00 to 10-OCT-21 20:36:00 (CST-6)
Location: ADA
Tornado F-scale: EF1
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This tornado developed west of Ada southwest of County Roads 1540 and 3530. The tornado produced damage to barns along County Road 3350 and then EF1 damage to metal buildings at a tractor dealer just before crossing State Highway 19. It continued to produce tree damage in areas northwest and north of Ada. A few homes received roof or garage door or patio damage east of US-377 between Ada and Byng, and in the southeast portion of Byng. The tornado dissipated just east of the city limits of Byng.

Hail in JACKSON, OKLAHOMA
From 10-OCT-21 16:16:00 to 10-OCT-21 16:16:00 (CST-6)
Location: ELMER
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Hail in JACKSON, OKLAHOMA
From 10-OCT-21 16:27:00 to 10-OCT-21 16:27:00 (CST-6)
Location: (LTS)ALTUS AFB
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in JACKSON, OKLAHOMA
From 10-OCT-21 16:45:00 to 10-OCT-21 16:45:00 (CST-6)
Location: ALTUS
Magnitude: 69.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in KIOWA, OKLAHOMA
From 10-OCT-21 17:08:00 to 10-OCT-21 17:08:00 (CST-6)
Location: COOPERTON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Estimated severe wind gusts in rear flank downdraft.

Hail in KIOWA, OKLAHOMA
From 10-OCT-21 17:15:00 to 10-OCT-21 17:15:00 (CST-6)
Location: ROOSEVELT
Magnitude: 2.00 
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Significant damage reported to cars and windows of buildings due to wind-driven hail.

Thunderstorm Wind in GRADY, OKLAHOMA
From 10-OCT-21 18:00:00 to 10-OCT-21 18:00:00 (CST-6)
Location: CHICKASHA ARPT
Magnitude: 71.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorm Wind in GRADY, OKLAHOMA
From 10-OCT-21 18:13:00 to 10-OCT-21 18:13:00 (CST-6)
Location: NINNEKAH
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Tree damage reported.

Thunderstorm Wind in LOGAN, OKLAHOMA
From 10-OCT-21 18:20:00 to 10-OCT-21 18:20:00 (CST-6)
Location: CRESCENT
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Damage to power lines.

Hail in MCCLAIN, OKLAHOMA
From 10-OCT-21 18:40:00 to 10-OCT-21 18:40:00 (CST-6)
Location: NEWCASTLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in TILLMAN, OKLAHOMA
From 10-OCT-21 17:50:00 to 10-OCT-21 17:50:00 (CST-6)
Location: GRANDFIELD
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CANADIAN, OKLAHOMA
From 10-OCT-21 18:15:00 to 10-OCT-21 18:15:00 (CST-6)
Location: EL RENO
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorm Wind in CANADIAN, OKLAHOMA
From 10-OCT-21 18:30:00 to 10-OCT-21 18:30:00 (CST-6)
Location: YUKON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Large trees downed.

Thunderstorm Wind in GRADY, OKLAHOMA
From 10-OCT-21 18:35:00 to 10-OCT-21 18:35:00 (CST-6)
Location: CHICKASHA ARPT
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Hail in MCCLAIN, OKLAHOMA
From 10-OCT-21 18:40:00 to 10-OCT-21 18:40:00 (CST-6)
Location: DIBBLE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MCCLAIN, OKLAHOMA
From 10-OCT-21 18:51:00 to 10-OCT-21 18:51:00 (CST-6)
Location: GOLDSBY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in CLEVELAND, OKLAHOMA
From 10-OCT-21 19:02:00 to 10-OCT-21 19:02:00 (CST-6)
Location: NOBLE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in BRYAN, OKLAHOMA
From 10-OCT-21 21:00:00 to 10-OCT-21 21:00:00 (CST-6)
Location: CALERA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Power lines downed and damage reported along highway 70.

Hail in MCCLAIN, OKLAHOMA
From 10-OCT-21 18:48:00 to 10-OCT-21 18:48:00 (CST-6)
Location: NEWCASTLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CLEVELAND, OKLAHOMA
From 10-OCT-21 19:04:00 to 10-OCT-21 19:04:00 (CST-6)
Location: NORMAN
Magnitude: 3.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in CLEVELAND, OKLAHOMA
From 10-OCT-21 19:05:00 to 10-OCT-21 19:05:00 (CST-6)
Location: (OUN)NORMAN WESTHEIMER ARPT
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in CANADIAN, OKLAHOMA
From 10-OCT-21 18:54:00 to 10-OCT-21 18:54:00 (CST-6)
Location: PIEDMONT
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Hail in MCCLAIN, OKLAHOMA
From 10-OCT-21 18:57:00 to 10-OCT-21 18:57:00 (CST-6)
Location: GOLDSBY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in LINCOLN, OKLAHOMA
From 10-OCT-21 19:41:00 to 10-OCT-21 19:42:00 (CST-6)
Location: WARWICK
Tornado F-scale: EF0
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tornado from a QLCS (quasi-linear convective system) touched down just southwest of Warwick and moved north through the west edge of Warwick. A barn was destroyed along Route 66 near the beginning of the path, and trees were damaged along the path, including at Hurst Park in Warwick. The tornado was reported to have crossed the Turner Turnpike before dissipating.

Thunderstorm Wind in JACKSON, OKLAHOMA
From 10-OCT-21 16:59:00 to 10-OCT-21 16:59:00 (CST-6)
Location: (LTS)ALTUS AFB
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Flash Flood in OKLAHOMA, OKLAHOMA
From 10-OCT-21 19:01:00 to 10-OCT-21 22:01:00 (CST-6)
Location: WARR ACRES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Vehicle stalled in high water.

Thunderstorm Wind in CADDO, OKLAHOMA
From 10-OCT-21 17:40:00 to 10-OCT-21 17:40:00 (CST-6)
Location: STECKER
Magnitude: 65.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees downed and outbuildings damaged.

Thunderstorm Wind in GRADY, OKLAHOMA
From 10-OCT-21 18:15:00 to 10-OCT-21 18:15:00 (CST-6)
Location: POCASSET
Magnitude: 64.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

An outbuilding was damaged.

Tornado in GRADY, OKLAHOMA
From 10-OCT-21 18:16:00 to 10-OCT-21 18:16:00 (CST-6)
Location: CHICKASHA ARPT
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A storm chaser observed a tornado estimated to be approximately 3 miles north of Chickasha. No damage was reported in the immediate area of the tornado, although the storm was producing wind damage about three miles farther north.

Thunderstorm Wind in STEPHENS, OKLAHOMA
From 10-OCT-21 19:17:00 to 10-OCT-21 19:17:00 (CST-6)
Location: VELMA
Magnitude: 70.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Significant tree damage was observed on a ranch northeast of Velma.

Tornado in LINCOLN, OKLAHOMA
From 10-OCT-21 19:25:00 to 10-OCT-21 19:26:00 (CST-6)
Location: JACKTOWN
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This tornado moved into Lincoln County from Oklahoma County at Britton Road (E 1000 Road) and continued to move northeast a short distance creating tree damage.

Tornado in KIOWA, OKLAHOMA
From 10-OCT-21 17:13:00 to 10-OCT-21 17:18:00 (CST-6)
Location: COOPERTON
Tornado F-scale: EF1
Property damage: 30.00K
Crop damage: 0.00K
Reported by: NWS Employee

This tornado was initially observed by storm chasers including an off-duty meteorologist from the Storm Prediction Center and was visible for a couple of minutes before becoming wrapped in rain. The rain-wrapped tornado likely continued generally east-southeast and destroyed a trailer and damaged trees at the Saddle Mountain cemetery.

Tornado in CADDO, OKLAHOMA
From 10-OCT-21 17:45:00 to 10-OCT-21 17:59:00 (CST-6)
Location: ANADARKO
Tornado F-scale: EF2
Property damage: 60.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Storm chasers initially observed a tornado develop southwest of Anadarko and move east-northeast. Damage was reported to a hangar at the Anadarko airport just south of town. The most significant damage was about 5 miles east of Anadarko where a roof was removed from a home. Although the tornado itself passed just south of Anadarko, the storm produced widespread wind damage within the town of Anadarko (see separate entry).

Tornado in KIOWA, OKLAHOMA
From 10-OCT-21 16:59:00 to 10-OCT-21 16:59:00 (CST-6)
Location: COOPERTON
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A number of storm chasers observed a brief tornado approximately 4 miles south-southwest of Cooperton. No damage was reported and the location is estimated.

Tornado in CADDO, OKLAHOMA
From 10-OCT-21 17:20:00 to 10-OCT-21 17:25:00 (CST-6)
Location: BOONE
Tornado F-scale: EF1
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Numerous storm chasers observed a tornado that developed about 9 miles west of Boone near the Kiowa-Caddo County line. The tornado moved northeast crossing State Highways 58 and 19 causing significant roof damage to a home and breaking power poles. Although this tornado became wrapped in rain and was generally not visible after crossing the highway, additional tree damage was reported east of the highway, and it is believed to have continued northeast approximately three miles.

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 10-OCT-21 17:38:00 to 10-OCT-21 17:38:00 (CST-6)
Location: MEERS
Magnitude: 70.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Trained Spotter

An outbuilding was destroyed near SH-115 and North Drive to the northwest of Meers.

Thunderstorm Wind in GRADY, OKLAHOMA
From 10-OCT-21 18:12:00 to 10-OCT-21 18:12:00 (CST-6)
Location: POCASSET
Magnitude: 65.00 EG
Property damage: 7.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Damage was noted along US-81 about three miles south of Pocasset. Power lines, an outbuilding and fences were damaged.

Thunderstorm Wind in GRADY, OKLAHOMA
From 10-OCT-21 18:23:00 to 10-OCT-21 18:23:00 (CST-6)
Location: AMBER
Magnitude: 70.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds damaged a school and at least one home on the east side of Amber.

Tornado in GRADY, OKLAHOMA
From 10-OCT-21 18:04:00 to 10-OCT-21 18:05:00 (CST-6)
Location: VERDEN
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Storm chasers observed a tornado which initially developed in Caddo County approximately 3 miles southwest of Verden and moved east-northeast crossing into Grady County about 1.5 mile south of Verden and to a point approximately 1 mile south-southeast of Verden. The tornado path was estimated as no damage was reported along the tornado path. Despite no known damage from the tornado, the storm did produce wind damage in and north of the town of Verden (see separate entry for this wind damage).

Thunderstorm Wind in CADDO, OKLAHOMA
From 10-OCT-21 17:30:00 to 10-OCT-21 17:30:00 (CST-6)
Location: BOONE
Magnitude: 74.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A number of power poles were downed near N2550 and E1410 Roads just southwest of Broxton.

Thunderstorm Wind in CLEVELAND, OKLAHOMA
From 10-OCT-21 18:55:00 to 10-OCT-21 18:55:00 (CST-6)
Location: (OUN)NORMAN WESTHEIMER ARPT
Magnitude: 65.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Employee

Power poles were damaged near Interstate 35 and Tecumseh Road in Norman. A tool shed was also reported blown into an adjacent property near 36th Avenue NW and Robinson Street.

Hail in CLEVELAND, OKLAHOMA
From 10-OCT-21 18:57:00 to 10-OCT-21 18:57:00 (CST-6)
Location: NOBLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in CADDO, OKLAHOMA
From 10-OCT-21 18:00:00 to 10-OCT-21 18:00:00 (CST-6)
Location: STECKER
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CADDO, OKLAHOMA
From 10-OCT-21 17:52:00 to 10-OCT-21 17:52:00 (CST-6)
Location: ANADARKO
Magnitude: 78.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Trained Spotter

While a tornado was occurring just south of Anadarko, thunderstorm winds were also causing damage in Anadarko. The most concentrated area of damage was in the vicinity of Oklahoma Avenue, Broadway Avenue and Main Street near the railroad tracks, or just northeast of the intersection of US-281 and SH-8. A few buildings were damaged including the loss of the brick facade of one building. Trees, power poles and fences were also damaged in the area.

Thunderstorm Wind in GRADY, OKLAHOMA
From 10-OCT-21 18:04:00 to 10-OCT-21 18:04:00 (CST-6)
Location: VERDEN
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

While a tornado was occurring just south of Verden, strong thunderstorm winds produced damage in Verden including tree damage and the collapse of walls of an abandoned building on the north side of Verden.

Thunderstorm Wind in GRADY, OKLAHOMA
From 10-OCT-21 18:10:00 to 10-OCT-21 18:10:00 (CST-6)
Location: CHICKASHA ARPT
Magnitude: 64.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Part of the roof of an outbuilding was blown off.

Thunderstorm Wind in CANADIAN, OKLAHOMA
From 10-OCT-21 18:24:00 to 10-OCT-21 18:24:00 (CST-6)
Location: MUSTANG
Magnitude: 78.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds created significant roof damage to at least one home near Southwest 44th Street and Cemetery Road.

Tornado in CADDO, OKLAHOMA
From 10-OCT-21 18:02:00 to 10-OCT-21 18:04:00 (CST-6)
Location: LAKE CHICKASHA DAM
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Storm chasers observed a tornado that developed about 3 miles southwest of Verden and moved east-northeast, crossing into Grady County about 1.5 miles south of Verden. No damage was reported along the path of this tornado and the path was estimated.

Thunderstorm Wind in GRADY, OKLAHOMA
From 10-OCT-21 18:15:00 to 10-OCT-21 18:15:00 (CST-6)
Location: NORGE
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in OKLAHOMA, OKLAHOMA
From 10-OCT-21 18:42:00 to 10-OCT-21 18:42:00 (CST-6)
Location: (PWA)WILEY POST APT
Magnitude: 57.00 MG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: ASOS

Hangars were damaged at Wiley Post Airport.