Oklahoma, 1999Hail and Damaging Winds in Oklahoma, May 9 to 10, 1999
May 9 to 10, 1999 · NWS OUN · 34 events in 23 counties and zones
Severe thunderstorms affected a large part of western Oklahoma and a small portion of central Oklahoma from late afternoon through the evening of the 9th. In addition to numerous reports of 60 mph winds and large hail, a mobile home was blown over 4 miles east-southeast of Erick in Beckham County; the roof of a mobile home was blown off 7 miles southwest of Erick, also in Beckham County; the…
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- Deaths
- 0
- Injuries
- 0
- Property damage
- $75,000
- Crop damage
- None recorded
- Events
- 34
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.
Severe thunderstorms affected a large part of western Oklahoma and a small portion of central Oklahoma from late afternoon through the evening of the 9th. In addition to numerous reports of 60 mph winds and large hail, a mobile home was blown over 4 miles east-southeast of Erick in Beckham County; the roof of a mobile home was blown off 7 miles southwest of Erick, also in Beckham County; the steeple was blown off of Canton Christian Church in Canton in Blaine County; and large tree limbs were downed 5 miles east of Arnett in Ellis County. The final report of damage came from Alfalfa County where a roof was ripped off a mobile home, a storage trailer was blown over, and signs were downed.
Thunderstorm Wind, Beckham
- When
- May 9, 4:55 PM CST
- Where
- Beckham County, 4 mi ESE of Erick
- Measured
- 58 kt (67 mph)
- Property damage
- $15,000
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 35.200, -99.800
Thunderstorm Wind, Ellis
- When
- May 9, 5:08 PM CST
- Where
- Ellis County, 5 mi E of Arnett
- Property damage
- $10
- Reported by
- STORM CHASER
- Coordinates
- 36.130, -99.680
Winds were estimated between 60 mph and 80 mph.
Hail, Washita
- When
- May 9, 5:25 PM CST
- Where
- Washita County, 3 mi W of Canute
- Measured
- 0.75 in hail
- Reported by
- STORM CHASER
- Coordinates
- 35.420, -99.330
Thunderstorm Wind, Dewey
- When
- May 9, 5:25 PM CST
- Where
- Dewey County, 4 mi WNW of Camargo
- Measured
- 50 kt (58 mph)
- Reported by
- AIRPLANE PILOT
- Coordinates
- 36.030, -99.350
Thunderstorm Wind, Woodward
- When
- May 9, 5:34 PM CST
- Where
- Woodward County, Woodward
- Measured
- 55 kt (63 mph)
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 36.430, -99.400
Thunderstorm Wind, Beckham
- When
- May 9, 5:45 PM CST
- Where
- Beckham County, 7 mi SW of Elk City
- Property damage
- $15,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.350, -99.500
Thunderstorm Wind, Kiowa
- When
- May 9, 5:48 PM CST
- Where
- Kiowa County, 12 mi NW of Lone Wolf
- Measured
- 50 kt (58 mph)
- Reported by
- STORM CHASER
- Coordinates
- 35.100, -99.400
Thunderstorm Wind, Custer
- When
- May 9, 5:50 PM CST
- Where
- Custer County, 5 mi W of Custer City
- Measured
- 56 kt (64 mph)
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 35.670, -98.970
Thunderstorm Wind, Dewey
- When
- May 9, 5:50 PM CST
- Where
- Dewey County, 3 mi N of Putnam
- Measured
- 50 kt (58 mph)
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 35.900, -98.970
Thunderstorm Wind, Harper
- When
- May 9, 6:00 PM CST
- Where
- Harper County, 15 mi SE of Selman
- Measured
- 52 kt (60 mph)
- Reported by
- STORM CHASER
- Coordinates
- 36.650, -99.300
Thunderstorm Wind, Woods
- When
- May 9, 6:05 PM CST
- Where
- Woods County, Freedom
- Measured
- 54 kt (62 mph)
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 36.770, -99.120
Hail, Greer
- When
- May 9, 6:11 PM CST
- Where
- Greer County, 10 mi W of Mangum
- Measured
- 0.75 in hail
- Reported by
- STORM CHASER
- Coordinates
- 34.880, -99.680
Hail, Kiowa
- When
- May 9, 6:11 PM CST
- Where
- Kiowa County, 6 mi SSW of Lone Wolf
- Measured
- 0.75 in hail
- Reported by
- STORM CHASER
- Coordinates
- 34.900, -99.280
Thunderstorm Wind, Woodward
- When
- May 9, 6:15 PM CST
- Where
- Woodward County, 6 mi N of Mooreland
- Measured
- 52 kt (60 mph)
- Reported by
- STORM CHASER
- Coordinates
- 36.520, -99.200
Thunderstorm Wind, Blaine
- When
- May 9, 6:15 PM CST
- Where
- Blaine County, Canton
- Property damage
- $20,000
- Reported by
- NEWSPAPER
- Coordinates
- 36.070, -98.580
Thunderstorm Wind, Custer
- When
- May 9, 6:15 PM CST
- Where
- Custer County, 5 mi NE of Thomas
- Measured
- 52 kt (60 mph)
- Reported by
- STORM CHASER
- Coordinates
- 35.800, -98.680
Thunderstorm Wind, Blaine
- When
- May 9, 6:15 PM CST
- Where
- Blaine County, Watonga
- Measured
- 52 kt (60 mph)
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 35.850, -98.420
Hail, Kiowa
- When
- May 9, 6:27 PM CST
- Where
- Kiowa County, 3 mi SE of Cooperton
- Measured
- 0.88 in hail
- Reported by
- STORM CHASER
- Coordinates
- 34.830, -98.830
Hail, Kiowa
- When
- May 9, 6:41 PM CST
- Where
- Kiowa County, Gotebo
- Measured
- 0.75 in hail
- Reported by
- STORM CHASER
- Coordinates
- 35.070, -98.880
Thunderstorm Wind, Alfalfa
- When
- May 9, 6:50 PM CST
- Where
- Alfalfa County, Ingersoll
- Property damage
- $25,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.800, -98.380
Hail, Major
- When
- May 9, 6:53 PM CST
- Where
- Major County, 4 mi S of Ringwood
- Measured
- 0.75 in hail
- Reported by
- STORM CHASER
- Coordinates
- 36.330, -98.250
Thunderstorm Wind, Jackson
- When
- May 9, 7:14 PM CST
- Where
- Jackson County, 9 mi S of Altus
- Measured
- 50 kt (58 mph)
- Reported by
- STORM CHASER
- Coordinates
- 34.500, -99.330
Thunderstorm Wind, Tillman
- When
- May 9, 7:25 PM CST
- Where
- Tillman County, 4 mi S of Tipton
- Measured
- 59 kt (68 mph)
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 34.450, -99.130
Hail, Kiowa
- When
- May 9, 7:30 PM CST
- Where
- Kiowa County, Roosevelt
- Measured
- 0.75 in hail
- Reported by
- STORM CHASER
- Coordinates
- 34.850, -99.020
Hail, Caddo
- When
- May 9, 8:00 PM CST
- Where
- Caddo County, 8 mi S of Carnegie
- Measured
- 0.75 in hail
- Reported by
- STORM CHASER
- Coordinates
- 34.980, -98.600
Hail, Comanche
- When
- May 9, 8:34 PM CST
- Where
- Comanche County, Fletcher
- Measured
- 1 in hail
- Reported by
- STORM CHASER
- Coordinates
- 34.820, -98.230
Hail, Caddo
- When
- May 9, 8:36 PM CST
- Where
- Caddo County, 1 mi NE of Cyril
- Measured
- 1 in hail
- Reported by
- STORM CHASER
- Coordinates
- 34.900, -98.180
Hail, Grady
- When
- May 9, 8:40 PM CST
- Where
- Grady County, 8 mi N of Verden
- Measured
- 1 in hail
- Reported by
- STORM CHASER
- Coordinates
- 35.200, -98.080
Thunderstorm Wind, Tillman
- When
- May 9, 8:55 PM CST
- Where
- Tillman County, 3 mi WNW of Grandfield
- Measured
- 59 kt (68 mph)
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 34.250, -98.730
Thunderstorm Wind, Stephens
- When
- May 9, 9:05 PM CST
- Where
- Stephens County, 2 mi NE of Marlow
- Measured
- 63 kt (72 mph)
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 34.670, -97.930
Hail, Cleveland
- When
- May 9, 9:35 PM CST
- Where
- Cleveland County, Norman
- Measured
- 0.88 in hail
- Reported by
- NWS EMPLOYEE(OFF DUTY)
- Coordinates
- 35.220, -97.450
Hail was reported near the intersection of NE 12th and Rock Creek.
Hail, Johnston
- When
- May 9, 11:39 PM CST
- Where
- Johnston County, Tishomingo
- Measured
- 0.88 in hail
- Reported by
- STORM CHASER
- Coordinates
- 34.230, -96.670
Hail, Atoka
- When
- May 10, 12:15 AM CST
- Where
- Atoka County, 5 mi E of Stringtown
- Measured
- 0.88 in hail
- Reported by
- STORM CHASER
- Coordinates
- 34.470, -95.970
Hail, Bryan
- When
- May 10, 1:10 AM CST
- Where
- Bryan County, Colbert
- Measured
- 0.75 in hail
- Reported by
- STORM CHASER
- Coordinates
- 33.850, -96.500
- 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.
- 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.
- Tornadoes and Flash Flood in Texas, May 9, 1999$172,000 · F0 · 29 events
- Damaging Winds in Iowa, May 9, 1999$102,000 · 65 kt wind · 2 events
- Tornadoes and Flash Flooding in South Dakota, May 9 to 26, 19991 injured · F0 · 38 events
- Hail and Damaging Winds in Tennessee, May 9 to 23, 19994 injured · 1.75 in hail · 13 events
- Tornado and Hail in Oklahoma, May 9 to 10, 1999$34,000 · F0 · 13 events
- Damaging Wind in Texas, May 9, 1999$50,000 · 55 kt wind · 1 event
- Tornado and Flash Flood in Texas, May 9, 19991 injured · $3,000 · F0 · 8 events
- Hail in Florida, May 9, 19991.75 in hail · 13 events
- Tornado and Hail in South Dakota, May 9, 1999F0 · 13 events
- Hail and Damaging Wind in Texas, May 9, 19991.75 in hail · 12 events
- Flooding in South Dakota, May 9 to 31, 19996 events
- High Wind in Alaska, May 9 to 11, 199971 kt wind · 5 events
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: 5705965, 5705966, 5705968, 5705970, 5705967, 5705532, 5705973, 5705969, 5705974, 5705350, 5705352, 5705971, 5705972, 5705351, 5705353, 5705528, 5705529, 5705975, 5705976, 5705526, 5705977, 5705979, 5705527, 5705978, 5705980, 5705981, 5705982, 5705983, 5705530, 5705984, 5705985, 5705986, 5705531, 5705525.