Hail, Comanche
- When
- June 29, 8:51 AM CST
- Where
- Comanche County, 8 mi WSW of Meers
- Measured
- 1.5 in hail
- Reported by
- PARK/FOREST SERVICE
- Coordinates
- 34.730, -98.700
Flood and Hail in Oklahoma, June 29 to 30, 1999
Thunderstorms which produced isolated severe hail were also responsible for a lightning strike to a 2000 gallon oil tank in Daisy in Atoka County, causing a small fire, and also flooding across portions of Seminole County. Periods of heavy rain, amounting to between 3 and 5 inches, fell across much of Seminole County for a 24-hour period from mid-day of the 29th through mid-day of the 30th.
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
- $52,000
- Crop damage
- None recorded
- Events
- 7
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.
Thunderstorms which produced isolated severe hail were also responsible for a lightning strike to a 2000 gallon oil tank in Daisy in Atoka County, causing a small fire, and also flooding across portions of Seminole County. Periods of heavy rain, amounting to between 3 and 5 inches, fell across much of Seminole County for a 24-hour period from mid-day of the 29th through mid-day of the 30th. Flooding waters damaged several bridges, including the Sandcreek Bridge, washed out 2 roads, and severely damaged 2 others.
The radar
The national radar mosaic for the moment the first event began.
Event by event
5 hail, 1 flood, 1 lightning. Local standard time, as filed.
Hail, Comanche
- When
- June 29, 9:58 AM CST
- Where
- Comanche County, 3 mi NW of Medicine Park
- Measured
- 0.88 in hail
- Reported by
- PARK/FOREST SERVICE
- Coordinates
- 34.770, -98.530
Flood, Seminole
- When
- June 29, 11:00 AM CST to June 30, 11:00 AM CST
- Where
- Seminole forecast zone
- Property damage
- $50,000
- Reported by
- NEWSPAPER
- Coordinates
- 35.168, -96.615 (the zone’s center; the record gives no point)
Hail, McClain
- When
- June 29, 11:05 AM CST
- Where
- McClain County, Newcastle
- Measured
- 0.75 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.250, -97.600
Hail, Carter
- When
- June 29, 11:20 AM CST
- Where
- Carter County, 5 mi N of Ardmore
- Measured
- 1 in hail
- Reported by
- AMATEUR RADIO
- Coordinates
- 34.250, -97.130
Hail, Pottawatomie
- When
- June 29, 11:45 AM CST
- Where
- Pottawatomie County, 9 mi W of Shawnee
- Measured
- 0.75 in hail
- Reported by
- PARK/FOREST SERVICE
- Coordinates
- 35.330, -97.080
Lightning, Atoka
- When
- June 29, 3:00 PM CST
- Where
- Atoka County, Daisy
- Property damage
- $2,000
- Reported by
- NEWSPAPER
- Coordinates
- 34.374, -96.038 (the zone’s center; the record gives no point)
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
- 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
- Lightning Strike in Florida, June 29, 1999
- Flash Flooding in Georgia, June 29, 1999
- High Wind in Ohio, June 29, 1999
- Hail and Damaging Winds in Georgia, June 29, 1999
- Wildfire in California, June 29, 1999
- Tornadoes and Hail in Nebraska, June 29, 1999
- Tornadoes and Hail in Texas, June 29 to 30, 1999
- Flood and Damaging Wind in Georgia, June 29 to 30, 1999
- Flash Flood and Damaging Winds in Arkansas, June 29, 1999
- Flash Flooding and Damaging Winds in Oklahoma, June 29, 1999
- Tornadoes in Colorado, June 29, 1999
- Flash Flooding and Hail in Oklahoma, June 29 to 30, 1999
More
Every storm in Oklahoma in 1999Every state in 1999This day in weather historyWarnings in Oklahoma, June 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: 5712735, 5712815, 5712818, 5712813, 5712814, 5712816, 5712817.