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 11 May 2026 at 01:15 UTC. It is kept here as a record.
No stronger detection stands among the 8 recorded within 20 km of this point since 11 May 2026 — 3 others scored the same. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 10 at 7:47PM CDT until May 10 at 8:15PM CDT by NWS Fort Worth TX
An estimated 33,081 people live within 50 km of this point.
Nearby, since 11 May 2026
- June 20, 2026 · score 22 · 12.0 km
- June 19, 2026 · score 34 · 12.6 km
- May 23, 2026 · score 34 · 15.7 km
How we know
Confirmed by 4 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 | 31.0495, -98.3608 |
| Nearest City | Copperas Cove (45 km) |
| Population Exposed | 33.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-11T00:47:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.6f0b54bc4bad214378a0f5bb94597104 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Coryell, TX; Mason, TX; Menard, TX; San Saba, TX; Blanco, TX; Burnet, TX; Llano, TX |
| Headline | Severe Thunderstorm Warning issued May 10 at 7:47PM CDT until May 10 at 8:15PM CDT by NWS Fort Worth TX |
| Expires | 2026-05-10T20:15:00-05:00 |
| SenderName | NWS Fort Worth TX |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.6f0b54bc4bad214378a0f5bb94597104dd95ad0f.001.1","noaa_urn:oid:2.49.0.1.840.0.96e8f1ad3afd39049197c9f45e71bac2922117f8.002.1","noaa_urn:oid:2.49.0.1.840.0.61ee52d2bad3dc7d96ca5016d81423d728f079b9.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 59 |
| Iem Unit | MPH |
| Iem City | 3 SSW Hamilton |
| Iem County | Hamilton |
| Iem State | TX |
| Iem Wfo | FWD |
| Iem Remark | AWOS station KMNZ Hamilton Muni. |
| MergedSources | [{"id":"iem_H_31.630_-97.990_1778455320000","source":"iem","severity":"low","severityValue":25,"timestamp":1778455320000,"latitude":31.63,"longitude":-97.99},{"id":"iem_H_31.460_-98.570_1778456280000","source":"iem","severity":"low","severityValue":25,"timestamp":1778456280000,"latitude":31.46,"longitude":-98.57},{"id":"iem_G_31.670_-98.150_1778454900000","source":"iem","severity":"low","severityValue":25,"timestamp":1778454900000,"latitude":31.67,"longitude":-98.15}] |
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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.