Hail, Creek
- When
- May 9, 11:05 PM CST
- Where
- Creek County, Bristow
- Measured
- 0.75 in hail
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 35.830, -96.380
Tornado and Hail in Oklahoma, May 9 to 10, 1999
6 hail, 6 thunderstorm wind, 1 tornado, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. 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
- $34,000
- Crop damage
- None recorded
- Events
- 13
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.
The radar
The Tulsa radar (KINX), 83 km away, was scanning. The volume nearest the first event began at 05:06 UTC.
Event by event
6 hail, 6 thunderstorm wind, 1 tornado. Local standard time, as filed.
Hail, Okfuskee
- When
- May 9, 11:15 PM CST
- Where
- Okfuskee County, Welty
- Measured
- 0.88 in hail
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 35.620, -96.400
Hail, Okmulgee
- When
- May 9, 11:42 PM CST
- Where
- Okmulgee County, Okmulgee
- Measured
- 0.88 in hail
- Reported by
- AMATEUR RADIO
- Coordinates
- 35.630, -95.970
Thunderstorm Wind, Okmulgee
- When
- May 9, 11:50 PM CST
- Where
- Okmulgee County, Okmulgee
- Property damage
- $1,000
- Reported by
- AMATEUR RADIO
- Coordinates
- 35.630, -95.970
Tree limbs were blown down across power lines.
Hail, Pittsburg
- When
- May 9, 11:55 PM CST
- Where
- Pittsburg County, 9 mi W of Kiowa
- Measured
- 0.75 in hail
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 34.720, -96.070
Location: on the Pittsburg/Atoka county line
Thunderstorm Wind, McIntosh
- When
- May 10, 12:00 AM CST
- Where
- McIntosh County, 3 mi W of Onapa
- Measured
- 52 kt (60 mph)
- Reported by
- PARK/FOREST SERVICE
- Coordinates
- 35.400, -95.600
Location: Fountainhead State Park
Thunderstorm Wind, Tulsa
- When
- May 10, 12:00 AM CST
- Where
- Tulsa County, 3 mi SW of Broken Arrow
- Measured
- 52 kt (60 mph)
- Property damage
- $500
- Reported by
- NWS EMPLOYEE(OFF DUTY)
- Coordinates
- 36.020, -95.820
Several trees were blown down in Broken Arrow near the intersection of 91st and 129th East Avenue.
Hail, Pushmataha
- When
- May 10, 12:45 AM CST
- Where
- Pushmataha County, Clayton
- Measured
- 1 in hail
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 34.580, -95.350
Hail, Pushmataha
- When
- May 10, 1:00 AM CST
- Where
- Pushmataha County, 8 mi S of Clayton
- Measured
- 0.88 in hail
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 34.470, -95.350
Thunderstorm Wind, Tulsa
- When
- May 10, 2:00 AM CST
- Where
- Tulsa County, Collinsville
- Property damage
- $20,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 36.370, -95.830
Numerous large trees (two to three feet in diamter) were blown over. Falling trees took several fences as victims. One falling tree caused some roof damage.
Thunderstorm Wind, Washington
- When
- May 10, 2:00 AM CST
- Where
- Washington County, Vera
- Property damage
- $7,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 36.450, -95.880
A carport was damaged, and large trees were blown down
Thunderstorm Wind, Tulsa
- When
- May 10, 2:00 AM CST
- Where
- Tulsa County, 5 mi N of Skiatook
- Property damage
- $5,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 36.430, -96.000
An outbuilding was destroyed, there was shingle and siding damage to a home, and several trees were snapped off.
Tornado, Adair
- When
- May 10, 2:11 AM CST
- Where
- Adair County, 4 mi N of Proctor
- Rating
- F0
- Path length
- 0.5 mi
- Path width
- 50 yd
- Property damage
- $500
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 36.020, -94.780
There was a brief tornado touchdown north of Proctor which knocked over many trees.
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Flash Flood in Texas, May 9, 1999
- Hail and Damaging Winds in Oklahoma, May 9 to 10, 1999
- Damaging Winds in Iowa, May 9, 1999
- Tornadoes and Flash Flooding in South Dakota, May 9 to 26, 1999
- Hail and Damaging Winds in Tennessee, May 9 to 23, 1999
- Damaging Wind in Texas, May 9, 1999
- Tornado and Flash Flood in Texas, May 9, 1999
- Hail in Florida, May 9, 1999
- Tornado and Hail in South Dakota, May 9, 1999
- Hail and Damaging Wind in Texas, May 9, 1999
- Flooding in South Dakota, May 9 to 31, 1999
- High Wind in Alaska, May 9 to 11, 1999
More
Every storm in Oklahoma in 1999Every state in 1999This day in weather historyThe tornado archive for Oklahoma, 1999Warnings in Oklahoma, May 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: 5700753, 5700748, 5700746, 5700745, 5700747, 5700680, 5700755, 5700749, 5700679, 5700750, 5700751, 5700752, 5700754.