This alert expired on 5 July 2026 at 20:00 UTC. It is kept here as a record.
No stronger detection stands among the 27 recorded within 20 km of this point since 18 April 2026 — 11 others scored the same. The last comparable one was on 19 June 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 5 at 2:15PM CDT until July 5 at 3:00PM CDT by NWS Norman OK
An estimated 224,596 people live within 50 km of this point.
Nearby, since 18 April 2026
- June 12, 2026 · score 37 · 3.4 km
- August 8, 2026 · score 43 · 16.4 km
- May 21, 2026 · score 43 · 17.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 84 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 84% |
| Coordinates | 34.2333, -98.1742 |
| Nearest City | Duncan (36 km) |
| Population Exposed | 224.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-05T19:15:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.52729d53c132c81bbbc0b527afa0d18e |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Clay, TX; Wichita, TX; Grady, OK; Stephens, OK |
| Headline | Severe Thunderstorm Warning issued July 5 at 2:15PM CDT until July 5 at 3:00PM CDT by NWS Norman OK |
| Expires | 2026-07-05T15:00:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.52729d53c132c81bbbc0b527afa0d18ebfe69200.001.1","noaa_urn:oid:2.49.0.1.840.0.f4070bfb386379000919909235a02715032d8a85.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 1 SW Marlow |
| Iem County | Stephens |
| Iem State | OK |
| Iem Wfo | OUN |
| Iem Remark | MPING report. |
| MergedSources | [{"id":"iem_H_34.640_-97.980_1783276680000","source":"iem","severity":"low","severityValue":25,"timestamp":1783276680000,"latitude":34.64,"longitude":-97.98}] |
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 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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.