Right now
The most recent data we hold from NOAA arrived 54 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 9 May 2026 at 02:15 UTC. It is kept here as a record.
It is the 4th strongest of the 12 detections recorded within 20 km of this point since 25 April 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 8 at 8:46PM CDT until May 8 at 9:15PM CDT by NWS Norman OK
An estimated 23,231 people live within 50 km of this point.
Nearby, since 25 April 2026
- May 9, 2026 · score 58 · 6.5 km
- September 2, 2026 · score 28 · 20.2 km
- May 10, 2026 · score 43 · 25.2 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 90 % 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 | 90% |
| Coordinates | 34.3994, -97.8086 |
| Nearest City | Duncan (18 km) |
| Population Exposed | 23.2K within 50 km |
| Impact Tier | significant |
| Date | 2026-05-09 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.d88aa315ec88717c00ae8d0ad87e419c |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Comanche, OK; Cotton, OK; Tillman, OK; Carter, OK; Comanche, OK; Cotton, OK; Jefferson, OK; Stephens, OK; Coal, OK; Garvin, OK; Johnston, OK; Murray, OK; Pontotoc, OK |
| Headline | Severe Thunderstorm Warning issued May 8 at 8:46PM CDT until May 8 at 9:15PM CDT by NWS Norman OK |
| Expires | 2026-05-08T21:15:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d88aa315ec88717c00ae8d0ad87e419c45f470ea.001.1","noaa_urn:oid:2.49.0.1.840.0.74e703f9ebb8188179390fc468abab886eadf6f0.001.1","noaa_urn:oid:2.49.0.1.840.0.b31f27ad83ced78a849874c878bef471f77c3ef0.001.1","noaa_urn:oid:2.49.0.1.840.0.d6583b92309b85ad44880ca1e8102e3c7567d30a.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1.5 |
| Iem Unit | Inch |
| Iem City | 2 NE Elgin |
| Iem County | Comanche |
| Iem State | OK |
| Iem Wfo | OUN |
| MergedSources | [{"id":"iem_H_34.780_-98.280_1778287920000","source":"iem","severity":"low","severityValue":25,"timestamp":1778287920000,"latitude":34.78,"longitude":-98.28},{"id":"iem_H_34.810_-98.290_1778287800000","source":"iem","severity":"low","severityValue":25,"timestamp":1778287800000,"latitude":34.81,"longitude":-98.29},{"id":"iem_H_34.780_-98.240_1778288100000","source":"iem","severity":"low","severityValue":25,"timestamp":1778288100000,"latitude":34.78,"longitude":-98.24},{"id":"iem_H_34.800_-98.270_1778287740000","source":"iem","severity":"low","severityValue":25,"timestamp":1778287740000,"latitude":34.8,"longitude":-98.27}] |
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.
Want to know when something happens near Duncan?
Calamity.live data shows a weather event with CalamityScore 34/100, near Duncan (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.