This alert expired on 28 August 2026 at 22:02 UTC. It is kept here as a record.
No stronger detection stands among the 10 recorded within 20 km of this point since 16 July 2026 — 4 others scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 28 at 3:52PM MDT until August 28 at 4:00PM MDT by NWS Salt Lake City UT
An estimated 30,184 people live within 50 km of this point.
Nearby, since 16 July 2026
- July 18, 2026 · score 34 · 12.8 km
- July 16, 2026 · score 34 · 14.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 79 % 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) | 34 / 100 |
| Our confidence | 79% |
| Coordinates | 37.9480, -112.7160 |
| Nearest City | Cedar City (42 km) |
| Population Exposed | 30.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-28T21:52:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Beaver, UT; Garfield, UT; Iron, UT |
| Headline | Severe Thunderstorm Warning issued August 28 at 3:52PM MDT until August 28 at 4:00PM MDT by NWS Salt Lake City UT |
| Expires | 2026-08-28T16:02:00-06:00 |
| SenderName | NWS Salt Lake City UT |
| 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 34/100, near Cedar City (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.