This alert expired on 10 May 2026 at 08:45 UTC. It is kept here as a record.
No stronger detection stands among the 7 recorded within 20 km of this point since 28 April 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 10 at 3:04AM CDT until May 10 at 3:45AM CDT by NWS Fort Worth TX
An estimated 67,395 people live within 50 km of this point.
Nearby, since 28 April 2026
- June 12, 2026 · score 39 · 9.5 km
- May 10, 2026 · score 34 · 15.0 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 80 % 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 | 80% |
| Coordinates | 33.4969, -95.9099 |
| Nearest City | Paris (37 km) |
| Population Exposed | 67.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-10T08:04:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.2c79cd27dcd033dfdbbd3fd0cef7ada6 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Grayson, TX; Bowie, TX; Franklin, TX; Red River, TX; Titus, TX |
| Headline | Severe Thunderstorm Warning issued May 10 at 3:04AM CDT until May 10 at 3:45AM CDT by NWS Fort Worth TX |
| Expires | 2026-05-10T03:45:00-05:00 |
| SenderName | NWS Fort Worth TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2c79cd27dcd033dfdbbd3fd0cef7ada6ad5e6b42.001.1","noaa_urn:oid:2.49.0.1.840.0.6d5d0c763093deb90603ba1db3afafe7b4f9d130.001.1"] |
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 in this area?
Calamity.live data shows a weather event with CalamityScore 39/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.