This alert expired on 31 August 2026 at 19:15 UTC. It is kept here as a record.
Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 31 at 11:26AM PDT until August 31 at 12:15PM PDT by NWS Las Vegas NV
An estimated 130,193 people live within 50 km of this point.
Nearby, since 17 July 2026
- August 31, 2026 · score 37 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 out of 100, at 81 % 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) | 37 / 100 |
| Our confidence | 81% |
| Coordinates | 36.9529, -113.5381 |
| Nearest City | Saint George (17 km) |
| Population Exposed | 130.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-31T18:26:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.f47e3001f4a974a1bfa5bc5a58856369f61c7adf.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Mohave, AZ; Clark, NV; Washington, UT |
| Headline | Severe Thunderstorm Warning issued August 31 at 11:26AM PDT until August 31 at 12:15PM PDT by NWS Las Vegas NV |
| Expires | 2026-08-31T12:15:00-07:00 |
| SenderName | NWS Las Vegas NV |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f47e3001f4a974a1bfa5bc5a58856369f61c7adf.001.1","noaa_urn:oid:2.49.0.1.840.0.2bb89b0ec6fa86cb20d170f99277eb3ff1b38dea.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 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.
Calamity.live data shows a weather event with CalamityScore 37/100, near Saint George (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.