This alert expired on 31 August 2026 at 18:30 UTC. It is kept here as a record.
It is the 2nd strongest of the 6 detections recorded within 20 km of this point since 17 July 2026. The last comparable one was on 13 August 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 31 at 10:43AM PDT until August 31 at 11:30AM PDT by NWS Las Vegas NV
An estimated 112,697 people live within 50 km of this point.
Nearby, since 17 July 2026
- August 31, 2026 · score 37 · 9.1 km
- August 31, 2026 · score 37 · 21.4 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 | 36.9080, -113.4520 |
| Nearest City | Saint George (24 km) |
| Population Exposed | 112.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-31T17:43:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.c0b7552895664671feabf8fbca39d682cf5483e9.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Mohave, AZ |
| Headline | Severe Thunderstorm Warning issued August 31 at 10:43AM PDT until August 31 at 11:30AM PDT by NWS Las Vegas NV |
| Expires | 2026-08-31T11:30:00-07:00 |
| SenderName | NWS Las Vegas NV |
| HasExactCoords | true |
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.