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Storm Events Database
Event Details
| Event | Hail |
| Magnitude | 1.00 in. |
| State | OKLAHOMA |
| County/Area | WASHITA |
| WFO | OUN |
| Begin Date | 05/23/2011 15:24:00 CST-6 |
| Begin Range | 3 |
| Begin Azimuth | E |
| Begin Location | SENTINEL |
| Begin Lat/Lon | 35.16/-99.12 |
| End Date | 05/23/2011 15:24:00 CST-6 |
| Deaths Direct/Indirect | 0/0 (fatality details below, when available...) |
| Injuries Direct/Indirect | 0/0 |
| Property Damage | 0.00K |
| Crop Damage | 0.00K |
| Episode Narrative | Widespread severe thunderstorms, including supercells, occurred over a large area of Oklahoma during the afternoon and evening hours of the 23rd. The thunderstorms were focused near two main boundaries. One was a dry line that was set up over the western third of Oklahoma. The other was a stationary front that was draped over northern Oklahoma. More numerous thunderstorms occurred over northern Oklahoma, with more scattered development to the south. A very unstable air-mass was in place, and a well-timed shortwave was rounding a trough in southwest flow toward Oklahoma and northern Texas. Storms began firing by mid afternoon over northwest Oklahoma, with several supercells developing and merging to the east. A short-lived, weak tornado occurred north of Okeene, but occurred over open terrain with no damage. Other supercell storms developed over western and southwest Oklahoma. Although strong mid-level rotation was present with the southern storms, strong low-level rotation was absent. Very large hail occurred with the storms. One supercell produced a six inch diameter hailstone, the largest in Oklahoma history. By early evening, many of the thunderstorms persisted, although with less intensity. A boundary left over from the northern Oklahoma storms was draped over central Oklahoma. The development of the low-level jet aided in the development of supercell thunderstorms with large hail. Hail around golf-ball size fell over parts of the Oklahoma City metro area, along with beneficial rainfall. By midnight, the storms had all weakened below severe limits as they moved into eastern Oklahoma. |
| Event Narrative |
All events for this episode:
| Location | County/Zone | St. | Date | Time | T.Z. | Type | Mag | Dth | Inj | PrD | CrD |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Totals: | 0 | 0 | 0.00K | 0.00K | |||||||
| FAIRVIEW | MAJOR CO. | OK | 05/23/2011 | 14:49 | CST-6 | Hail | 0.88 in. | 0 | 0 | 0.00K | 0.00K |
| FAIRVIEW | MAJOR CO. | OK | 05/23/2011 | 14:55 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| SEILING | DEWEY CO. | OK | 05/23/2011 | 14:55 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| OAKWOOD | DEWEY CO. | OK | 05/23/2011 | 15:05 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| RINGWOOD | MAJOR CO. | OK | 05/23/2011 | 15:20 | CST-6 | Hail | 2.50 in. | 0 | 0 | 0.00K | 0.00K |
| RINGWOOD | MAJOR CO. | OK | 05/23/2011 | 15:24 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| SENTINEL | WASHITA CO. | OK | 05/23/2011 | 15:24 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| RINGWOOD | MAJOR CO. | OK | 05/23/2011 | 15:24 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| OKEENE | BLAINE CO. | OK | 05/23/2011 | 15:26 | CST-6 | Tornado | EF0 | 0 | 0 | 0.00K | 0.00K |
| RINGWOOD | MAJOR CO. | OK | 05/23/2011 | 15:29 | CST-6 | Hail | 3.00 in. | 0 | 0 | 0.00K | 0.00K |
| ROCKY | WASHITA CO. | OK | 05/23/2011 | 15:33 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| SENTINEL | WASHITA CO. | OK | 05/23/2011 | 15:33 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| BRAMAN | KAY CO. | OK | 05/23/2011 | 15:35 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| BRAMAN | KAY CO. | OK | 05/23/2011 | 15:37 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| SENTINEL | WASHITA CO. | OK | 05/23/2011 | 15:45 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| ELMER | JACKSON CO. | OK | 05/23/2011 | 15:46 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| ENID | GARFIELD CO. | OK | 05/23/2011 | 15:54 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| PONCA CITY | KAY CO. | OK | 05/23/2011 | 16:01 | CST-6 | Thunderstorm Wind | 52 kts. EG | 0 | 0 | 0.00K | 0.00K |
| GOTEBO | KIOWA CO. | OK | 05/23/2011 | 16:13 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| TIPTON | TILLMAN CO. | OK | 05/23/2011 | 16:15 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| GOTEBO | KIOWA CO. | OK | 05/23/2011 | 16:18 | CST-6 | Hail | 2.50 in. | 0 | 0 | 0.00K | 0.00K |
| GOTEBO | KIOWA CO. | OK | 05/23/2011 | 16:18 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| ENID | GARFIELD CO. | OK | 05/23/2011 | 16:19 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| RENFROW | GRANT CO. | OK | 05/23/2011 | 16:21 | CST-6 | Hail | 1.25 in. | 0 | 0 | 0.00K | 0.00K |
| GOTEBO | KIOWA CO. | OK | 05/23/2011 | 16:24 | CST-6 | Hail | 3.50 in. | 0 | 0 | 0.00K | 0.00K |
| MANITOU | TILLMAN CO. | OK | 05/23/2011 | 16:29 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| GOTEBO | KIOWA CO. | OK | 05/23/2011 | 16:35 | CST-6 | Hail | 3.00 in. | 0 | 0 | 0.00K | 0.00K |
| MANITOU | TILLMAN CO. | OK | 05/23/2011 | 16:40 | CST-6 | Hail | 1.50 in. | 0 | 0 | 0.00K | 0.00K |
| MOUNTAIN VIEW | KIOWA CO. | OK | 05/23/2011 | 16:45 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| CARNEGIE | CADDO CO. | OK | 05/23/2011 | 17:00 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| OKARCHE | CANADIAN CO. | OK | 05/23/2011 | 17:07 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| CARNEGIE | CADDO CO. | OK | 05/23/2011 | 17:10 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| KINGFISHER | KINGFISHER CO. | OK | 05/23/2011 | 17:11 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| OKARCHE | CANADIAN CO. | OK | 05/23/2011 | 17:12 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| OKARCHE | CANADIAN CO. | OK | 05/23/2011 | 17:13 | CST-6 | Hail | 2.50 in. | 0 | 0 | 0.00K | 0.00K |
| INDIAHOMA | COMANCHE CO. | OK | 05/23/2011 | 17:23 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| CARNEGIE | CADDO CO. | OK | 05/23/2011 | 17:30 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| APACHE | CADDO CO. | OK | 05/23/2011 | 17:30 | CST-6 | Hail | 3.50 in. | 0 | 0 | 0.00K | 0.00K |
| OKARCHE | KINGFISHER CO. | OK | 05/23/2011 | 17:31 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| GOTEBO | KIOWA CO. | OK | 05/23/2011 | 17:32 | CST-6 | Hail | 6.00 in. | 0 | 0 | 0.00K | 0.00K |
| LAHOMA | GARFIELD CO. | OK | 05/23/2011 | 17:40 | CST-6 | Flash Flood | 0 | 0 | 0.00K | 0.00K | |
| APACHE | CADDO CO. | OK | 05/23/2011 | 17:44 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| FAIRVIEW | MAJOR CO. | OK | 05/23/2011 | 17:58 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| MULHALL | LOGAN CO. | OK | 05/23/2011 | 18:07 | CST-6 | Thunderstorm Wind | 52 kts. EG | 0 | 0 | 0.00K | 0.00K |
| CRESCENT | LOGAN CO. | OK | 05/23/2011 | 18:23 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| OKEENE | BLAINE CO. | OK | 05/23/2011 | 18:30 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| HITCHCOCK | BLAINE CO. | OK | 05/23/2011 | 18:35 | CST-6 | Hail | 1.25 in. | 0 | 0 | 0.00K | 0.00K |
| KINGFISHER | KINGFISHER CO. | OK | 05/23/2011 | 19:09 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| KINGFISHER | KINGFISHER CO. | OK | 05/23/2011 | 19:17 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| KINGFISHER | KINGFISHER CO. | OK | 05/23/2011 | 19:22 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| KINGFISHER | KINGFISHER CO. | OK | 05/23/2011 | 19:25 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| KINGFISHER | KINGFISHER CO. | OK | 05/23/2011 | 19:31 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| STILLWATER | PAYNE CO. | OK | 05/23/2011 | 19:46 | CST-6 | Thunderstorm Wind | 57 kts. MG | 0 | 0 | 0.00K | 0.00K |
| EDMOND | OKLAHOMA CO. | OK | 05/23/2011 | 20:17 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| OKARCHE | CANADIAN CO. | OK | 05/23/2011 | 20:40 | CST-6 | Hail | 1.50 in. | 0 | 0 | 0.00K | 0.00K |
| OKARCHE | CANADIAN CO. | OK | 05/23/2011 | 20:43 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| OKARCHE | CANADIAN CO. | OK | 05/23/2011 | 20:44 | CST-6 | Hail | 2.75 in. | 0 | 0 | 0.00K | 0.00K |
| OKARCHE | KINGFISHER CO. | OK | 05/23/2011 | 20:44 | CST-6 | Hail | 3.00 in. | 0 | 0 | 0.00K | 0.00K |
| PIEDMONT | CANADIAN CO. | OK | 05/23/2011 | 21:20 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| PIEDMONT | CANADIAN CO. | OK | 05/23/2011 | 21:27 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| THE VILLAGE | OKLAHOMA CO. | OK | 05/23/2011 | 21:31 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| YUKON | CANADIAN CO. | OK | 05/23/2011 | 21:45 | CST-6 | Hail | 2.50 in. | 0 | 0 | 0.00K | 0.00K |
| THE VILLAGE | OKLAHOMA CO. | OK | 05/23/2011 | 21:45 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| EDMOND | OKLAHOMA CO. | OK | 05/23/2011 | 21:55 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| EDMOND | OKLAHOMA CO. | OK | 05/23/2011 | 21:59 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| FOREST PARK | OKLAHOMA CO. | OK | 05/23/2011 | 22:00 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| Totals: | 0 | 0 | 0.00K | 0.00K |


