Right now
The most recent data we hold from NOAA arrived 1 minute 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 05:00 UTC. It is kept here as a record.
It is the 19th strongest of the 162 detections recorded within 20 km of this point since 10 March 2026. Another comparable one was recorded here earlier the same day. 27 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued May 9 at 9:40PM CDT until May 10 at 12:00AM CDT by NWS Norman OK
An estimated 1,089,769 people live within 50 km of this point.
Nearby, since 10 March 2026
- August 7, 2026 · score 52 · 0.0 km
- July 12, 2026 · score 52 · 0.0 km
- July 11, 2026 · score 52 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 81 % 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) | 52 / 100 |
| Our confidence | 81% |
| Coordinates | 35.5000, -97.1000 |
| Nearest City | Shawnee (24 km) |
| Population Exposed | 1.1M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-10T02:40:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Watch_noaa_urn:oid:2.49.0.1.840.0.3a177bc38616a43a4838fb6e79cfca57 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Alfalfa, OK; Beckham, OK; Blaine, OK; Caddo, OK; Canadian, OK; Comanche, OK; Cotton, OK; Custer, OK; Dewey, OK; Grady, OK; Greer, OK; Harmon, OK; Jackson, OK; Kingfisher, OK; Kiowa, OK; Major, OK; Roger Mills, OK; Stephens, OK; Tillman, OK; Washita, OK; Archer, TX; Clay, TX; Wichita, TX; Carter, OK; Garvin, OK; Jefferson, OK; Johnston, OK; Love, OK; Marshall, OK; Murray, OK; Pontotoc, OK |
| Headline | Severe Thunderstorm Watch issued May 9 at 9:40PM CDT until May 10 at 12:00AM CDT by NWS Norman OK |
| Expires | 2026-05-10T00:00:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | false |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3a177bc38616a43a4838fb6e79cfca5782bdcdaf.003.1","noaa_urn:oid:2.49.0.1.840.0.3a177bc38616a43a4838fb6e79cfca5782bdcdaf.002.1"] |
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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