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 8 August 2026 at 21:15 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 15 April 2026 — 6 others scored the same. The last comparable one was on 7 August 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 8 at 3:35PM CDT until August 8 at 4:15PM CDT by NWS Norman OK
An estimated 81,103 people live within 50 km of this point.
Nearby, since 15 April 2026
- May 27, 2026 · score 39 · 15.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 79 % 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) | 39 / 100 |
| Our confidence | 79% |
| Coordinates | 33.7665, -96.5008 |
| Nearest City | Denison (4 km) |
| Population Exposed | 81.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-08T20:35:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.b8aed29b9b50ce620ae54544ea6e4738 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Carter, OK; Murray, OK; Delta, TX; Hopkins, TX; Hunt, TX |
| Headline | Severe Thunderstorm Warning issued August 8 at 3:35PM CDT until August 8 at 4:15PM CDT by NWS Norman OK |
| Expires | 2026-08-08T16:15:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b8aed29b9b50ce620ae54544ea6e473835a502df.001.1","noaa_urn:oid:2.49.0.1.840.0.bb6db40e169a843a05b764ee228a98bd87be09af.001.1"] |
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.
Want to know when something happens near Denison?
Calamity.live data shows a weather event with CalamityScore 39/100, near Denison (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.