This alert expired on 29 August 2026 at 23:30 UTC. It is kept here as a record.
It is the 4th strongest of the 17 detections recorded within 20 km of this point since 21 July 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 29 at 4:56PM MDT until August 29 at 5:30PM MDT by NWS Salt Lake City UT
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 61 % 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) | 22 / 100 |
| Our confidence | 61% |
| Coordinates | 37.1880, -111.3940 |
| Nearest City | Cedar City (157 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-29T22:56:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Kane, UT; San Juan, UT |
| Headline | Severe Thunderstorm Warning issued August 29 at 4:56PM MDT until August 29 at 5:30PM MDT by NWS Salt Lake City UT |
| Expires | 2026-08-29T17:30:00-06:00 |
| 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 22/100, near Cedar City (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.