This alert expired on 11 March 2026 at 00:45 UTC. It is kept here as a record.
It is the strongest of the 40 detections recorded within 20 km of this point since 11 March 2026.
What the source measured
NOAA reported: Tornado Warning issued March 10 at 7:28PM CDT until March 10 at 7:45PM CDT by NWS Norman OK
An estimated 1,135,887 people live within 50 km of this point.
Nearby, since 11 March 2026
- August 7, 2026 · score 52 · 5.6 km
- June 27, 2026 · score 52 · 9.0 km
- June 22, 2026 · score 52 · 11.2 km
How we know
Confirmed by 14 independent sources, including NOAA.
Our own score for this event is 76 out of 100, at 88 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 76 / 100 |
| Our confidence | 88% |
| Coordinates | 35.4980, -97.3230 |
| Nearest City | Midwest City (9 km) |
| Population Exposed | 1.1M within 50 km |
| Impact Tier | catastrophic |
| Timestamp | 2026-03-11T00:28:00.000Z |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Oklahoma, OK; Lincoln, OK; Oklahoma, OK; Pottawatomie, OK |
| Headline | Tornado Warning issued March 10 at 7:28PM CDT until March 10 at 7:45PM CDT by NWS Norman OK |
| Expires | 2026-03-10T19:45:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.684ffc6b6032f494de533447e80ce6e74b3bec13.001.1","noaa_urn:oid:2.49.0.1.840.0.5d8274c6c1eb3b6474148c77d4c82eb51d56e677.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 175 |
| Spc Location | The Village |
| Spc County | Oklahoma |
| Spc State | OK |
| Spc Comments | (OUN) |
| MergedSources | [{"id":"spc_hail_35.38_-97.88_72","source":"spc","severity":"high","severityValue":65,"timestamp":1773189169059,"latitude":35.38,"longitude":-97.88},{"id":"spc_hail_35.43_-97.85_99","source":"spc","severity":"high","severityValue":65,"timestamp":1773189169059,"latitude":35.43,"longitude":-97.85},{"id":"spc_hail_35.46_-97.73_126","source":"spc","severity":"high","severityValue":65,"timestamp":1773189169059,"latitude":35.46,"longitude":-97.73},{"id":"spc_hail_35.51_-97.73_131","source":"spc","severity":"high","severityValue":65,"timestamp":1773189169059,"latitude":35.51,"longitude":-97.73},{"id":"spc_hail_35.46_-97.77_134","source":"spc","severity":"high","severityValue":65,"timestamp":1773189169059,"latitude":35.46,"longitude":-97.77},{"id":"spc_hail_35.50_-97.74_135","source":"spc","severity":"high","severityValue":65,"timestamp":1773189169059,"latitude":35.5,"longitude":-97.74},{"id":"spc_hail_35.50_-97.65_142","source":"spc","severity":"high","severityValue":65,"timestamp":1773187380000,"latitude":35.5,"longitude":-97.65},{"id":"spc_hail_35.54_-97.62_150","source":"spc","severity":"high","severityValue":65,"timestamp":1773187860000,"latitude":35.54,"longitude":-97.62},{"id":"spc_hail_35.54_-97.58_151","source":"spc","severity":"high","severityValue":65,"timestamp":1773187920000,"latitude":35.54,"longitude":-97.58},{"id":"spc_hail_35.54_-97.62_152","source":"spc","severity":"high","severityValue":65,"timestamp":1773187980000,"latitude":35.54,"longitude":-97.62},{"id":"spc_hail_35.54_-97.59_155","source":"spc","severity":"high","severityValue":65,"timestamp":1773188100000,"latitude":35.54,"longitude":-97.59},{"id":"spc_hail_35.53_-97.58_157","source":"spc","severity":"high","severityValue":65,"timestamp":1773188160000,"latitude":35.53,"longitude":-97.58},{"id":"spc_hail_35.57_-97.55_159","source":"spc","severity":"high","severityValue":65,"timestamp":1773188400000,"latitude":35.57,"longitude":-97.55}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a weather event with CalamityScore 76/100, near Midwest City (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.