Thunderstorm Wind, Oklahoma
- When
- August 12, 2:00 PM CST
- Where
- Oklahoma County, Choctaw
- Measured
- 54 kt (62 mph)
- Reported by
- GENERAL PUBLIC
- Coordinates
- 35.500, -97.270
Damaging Winds and Lightning Strike in Oklahoma, August 12, 1999
Scattered severe thunderstorms formed over portions of central and southwest Oklahoma during the afternoon and early evening of the 12th. Across Cleveland County in Slaughterville, a travel trailer was blown over; several house roofs received damage, and a tree was blown over onto a house, while 2 miles east of Slaughterville, large trees were uprooted.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $46,000
- Crop damage
- None recorded
- Events
- 10
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS OUN wrote it up.
Scattered severe thunderstorms formed over portions of central and southwest Oklahoma during the afternoon and early evening of the 12th. Across Cleveland County in Slaughterville, a travel trailer was blown over; several house roofs received damage, and a tree was blown over onto a house, while 2 miles east of Slaughterville, large trees were uprooted. Also across Cleveland County, a tree was blown over in Norman; large tree limbs were downed in Noble, and lightning struck a house in Lexington, causing a large fire. Trees and power lines were downed in the east side of Duncan in Stephens County, while in Lawton in Comanche County, several trees were downed, and minor roof damage occurred to several homes.
The radar
The Norman radar (KTLX), 19 km away, was scanning. The volume nearest the first event began at 19:57 UTC.
Event by event
9 thunderstorm wind, 1 lightning. Local standard time, as filed.
Thunderstorm Wind, Cleveland
- When
- August 12, 4:30 PM CST
- Where
- Cleveland County, Norman
- Property damage
- $100
- Reported by
- GENERAL PUBLIC
- Coordinates
- 35.220, -97.450
Thunderstorm Wind, McClain
- When
- August 12, 5:17 PM CST
- Where
- McClain County, 3 mi E of Washington
- Measured
- 63 kt (72 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 35.050, -97.430
Thunderstorm Wind, Stephens
- When
- August 12, 5:20 PM CST
- Where
- Stephens County, Duncan
- Property damage
- $500
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 34.520, -97.950
Thunderstorm Wind, Cleveland
- When
- August 12, 5:30 PM CST
- Where
- Cleveland County, Noble
- Property damage
- $10
- Reported by
- NWS EMPLOYEE(OFF DUTY)
- Coordinates
- 35.130, -97.400
Lightning, Cleveland
- When
- August 12, 5:30 PM CST to 5:40 PM CST
- Where
- Cleveland County, 1 mi N of Lexington
- Property damage
- $10,000
- Reported by
- AMATEUR RADIO
- Coordinates
- 35.203, -97.326 (the zone’s center; the record gives no point)
Thunderstorm Wind, Cleveland
- When
- August 12, 5:35 PM CST
- Where
- Cleveland County, 2 mi E of Slaughterville
- Property damage
- $100
- Reported by
- NWS EMPLOYEE(OFF DUTY)
- Coordinates
- 35.080, -97.300
Thunderstorm Wind, Cleveland
- When
- August 12, 5:35 PM CST
- Where
- Cleveland County, Slaughterville
- Property damage
- $20,000
- Reported by
- NEWSPAPER
- Coordinates
- 35.080, -97.330
Thunderstorm Wind, Comanche
- When
- August 12, 5:45 PM CST
- Where
- Comanche County, Lawton
- Property damage
- $15,000
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 34.620, -98.400
Thunderstorm Wind, Stephens
- When
- August 12, 6:30 PM CST
- Where
- Stephens County, 9 mi WNW of Duncan
- Measured
- 52 kt (60 mph)
- Reported by
- GENERAL PUBLIC
- Coordinates
- 34.570, -98.100
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
- Lightning
- A lightning strike that killed, injured or caused damage.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Hail and Damaging Winds in Illinois, August 12, 1999
- Lightning Strike in Florida, August 12, 1999
- Tornado and Flash Flood in Tennessee, August 12, 1999
- Damaging Wind in Missouri, August 12, 1999
- Hail and Damaging Winds in Georgia, August 12, 1999
- Tornado in Illinois, August 12, 1999
- Damaging Winds in Illinois, August 12, 1999
- Lightning Strike in South Dakota, August 12, 1999
- Damaging Wind in Florida, August 12, 1999
- Damaging Winds in Oklahoma, August 12, 1999
- Damaging Wind in Alabama, August 12, 1999
- Damaging Wind in Kentucky, August 12, 1999
More
Every storm in Oklahoma in 1999Every state in 1999This day in weather historyWarnings in Oklahoma, August 1999
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5714965, 5716506, 5714957, 5714958, 5714959, 5714960, 5714961, 5714964, 5714962, 5714963.