Right now
The most recent data we hold from NOAA arrived 6 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 10 May 2026 at 04:45 UTC. It is kept here as a record.
It is the 3rd strongest of the 13 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 9 May 2026. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 9 at 11:03PM CDT until May 9 at 11:45PM CDT by NWS Norman OK
An estimated 23,231 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 9, 2026 · score 58 · 9.1 km
- September 2, 2026 · score 28 · 16.5 km
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 91 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 91% |
| Coordinates | 34.3410, -97.7784 |
| Nearest City | Duncan (24 km) |
| Population Exposed | 23.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-10T04:03:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.35852521a93db90fac1c601f095adc44 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Carter, OK; Jefferson, OK; Love, OK; Marshall, OK; Clay, TX; Carter, OK; Cotton, OK; Jefferson, OK; Love, OK; Stephens, OK; Clay, TX; Caddo, OK; Grady, OK |
| Headline | Severe Thunderstorm Warning issued May 9 at 11:03PM CDT until May 9 at 11:45PM CDT by NWS Norman OK |
| Expires | 2026-05-09T23:45:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.35852521a93db90fac1c601f095adc44350bda7a.001.1","noaa_urn:oid:2.49.0.1.840.0.5dab5c203af1b8563150576764e36876a3c76a82.001.1","noaa_urn:oid:2.49.0.1.840.0.ffad68f61aef722ca9f60f7f7d1fa9ffd8cfbee2.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1.25 |
| Iem Unit | Inch |
| Iem City | 1 NE Elgin |
| Iem County | Comanche |
| Iem State | OK |
| Iem Wfo | OUN |
| Iem Remark | Report from mPING: Half Dollar (1.25 in.). Time adjusted from radar. |
| MergedSources | [{"id":"iem_D_34.720_-98.280_1778379480000","source":"iem","severity":"low","severityValue":25,"timestamp":1778379480000,"latitude":34.72,"longitude":-98.28},{"id":"iem_D_34.650_-98.190_1778380500000","source":"iem","severity":"low","severityValue":25,"timestamp":1778380500000,"latitude":34.65,"longitude":-98.19},{"id":"iem_H_34.790_-98.350_1778379000000","source":"iem","severity":"low","severityValue":25,"timestamp":1778379000000,"latitude":34.79,"longitude":-98.35},{"id":"iem_G_34.660_-98.170_1778380560000","source":"iem","severity":"low","severityValue":25,"timestamp":1778380560000,"latitude":34.66,"longitude":-98.17},{"id":"iem_H_34.790_-98.280_1778379300000","source":"iem","severity":"low","severityValue":25,"timestamp":1778379300000,"latitude":34.79,"longitude":-98.28}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 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.
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