Thunderstorm Wind, Stephens
- When
- August 23, 7:00 PM CST
- Where
- Stephens County, Duncan
- Property damage
- $500
- Reported by
- NEWSPAPER
- Coordinates
- 34.520, -97.950
Hail and Damaging Winds in Oklahoma, August 23, 1999
Scattered thunderstorms formed over portions of central and southern Oklahoma during the evening of the 23rd, producing isolated wind damage, large hail, and lightning strikes. Across Hughes County 3 miles west of Wetumka, several window panes were blown out; trees were uprooted; roofs were blown off of several outbuildings, and 2 barns were destroyed, while in Wewoka in Seminole County,…
Where it happened
Every event with a place to put it; 2 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
- $126,000
- Crop damage
- None recorded
- Events
- 11
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 thunderstorms formed over portions of central and southern Oklahoma during the evening of the 23rd, producing isolated wind damage, large hail, and lightning strikes. Across Hughes County 3 miles west of Wetumka, several window panes were blown out; trees were uprooted; roofs were blown off of several outbuildings, and 2 barns were destroyed, while in Wewoka in Seminole County, numerous trees and powerlines were blown down; several roofs and the wall of a building were damaged; and lightning struck an occupied house, igniting a fire which completely destroyed the house. Lightning also struck several power lines throughout Wewoka. Seven power poles were downed 5 miles south of Walters in Cotton County; 4 power poles were downed 1 miles north of Grandfield in Tillman County; large tree limbs were downed 4 miles north of Devol in Cotton County, and lightning struck a power pole in Corum in Stephens County. Also in Stephens County, large tree limbs and power lines were downed in Duncan.
The radar
The national radar mosaic for the moment the first event began.
Event by event
7 thunderstorm wind, 2 lightning, 2 hail. Local standard time, as filed.
Thunderstorm Wind, Hughes
- When
- August 23, 7:25 PM CST
- Where
- Hughes County, 3 mi W of Wetumka
- Property damage
- $12,000
- Reported by
- NEWSPAPER
- Coordinates
- 35.230, -96.300
Thunderstorm Wind, Tillman
- When
- August 23, 7:30 PM CST
- Where
- Tillman County, 1 mi N of Grandfield
- Property damage
- $1,000
- Reported by
- GENERAL PUBLIC
- Coordinates
- 34.250, -98.680
Thunderstorm Wind, Cotton
- When
- August 23, 7:30 PM CST
- Where
- Cotton County, 5 mi S of Walters
- Property damage
- $2,000
- Reported by
- GENERAL PUBLIC
- Coordinates
- 34.280, -98.300
Lightning, Stephens
- When
- August 23, 7:30 PM CST
- Where
- Stephens County, Corum
- Property damage
- $200
- Reported by
- GENERAL PUBLIC
- Coordinates
- 34.486, -97.851 (the zone’s center; the record gives no point)
Hail, Seminole
- When
- August 23, 8:15 PM CST
- Where
- Seminole County, Wewoka
- Measured
- 0.88 in hail
- Reported by
- FIRE DEPT/RESCUE SQUAD
- Coordinates
- 35.150, -96.480
Thunderstorm Wind, Hughes
- When
- August 23, 8:15 PM CST
- Where
- Hughes County, Holdenville
- Measured
- 55 kt (63 mph)
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 35.080, -96.400
Thunderstorm Wind, Seminole
- When
- August 23, 8:15 PM CST
- Where
- Seminole County, Wewoka
- Property damage
- $10,000
- Reported by
- NEWSPAPER
- Coordinates
- 35.150, -96.480
Lightning, Seminole
- When
- August 23, 8:30 PM CST
- Where
- Seminole County, Wewoka
- Property damage
- $100,000
- Reported by
- NEWSPAPER
- Coordinates
- 35.168, -96.615 (the zone’s center; the record gives no point)
Hail, Cotton
- When
- August 23, 8:40 PM CST
- Where
- Cotton County, 4 mi N of Devol
- Measured
- 0.88 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 34.230, -98.580
Thunderstorm Wind, Cotton
- When
- August 23, 8:40 PM CST
- Where
- Cotton County, 4 mi N of Devol
- Property damage
- $10
- Reported by
- GENERAL PUBLIC
- Coordinates
- 34.230, -98.580
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.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Hail and Damaging Winds in Oklahoma, August 23, 1999
- Flash Flooding in Puerto Rico, August 23, 1999
- Wildfire in California, August 23 to 31, 1999
- Flash Flood in Colorado, August 23, 1999
- Hail and Damaging Winds in Illinois, August 23, 1999
- Tornadoes and Flash Flooding in Texas, August 23 to 24, 1999
- Wildfire in California, August 23 to 29, 1999
- Wildfire in California, August 23 to 29, 1999
- Lightning Strike in Maine, August 23, 1999
- Flood and Damaging Winds in Illinois, August 23, 1999
- Flash Flooding and Hail in Virginia, August 23, 1999
- Flooding and Hail in Iowa, August 23, 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: 5714976, 5714972, 5714973, 5714974, 5714975, 5714966, 5714967, 5714971, 5714970, 5714968, 5714969.