This alert expired on 30 August 2026 at 03:51 UTC. It is kept here as a record.
No stronger detection stands among the 10 recorded within 20 km of this point since 29 August 2026 — 7 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 29 at 9:41PM MDT until August 29 at 9:45PM MDT by NWS Salt Lake City UT
Nearby, since 29 August 2026
- August 30, 2026 · score 22 · 15.4 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 72 % 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 | 72% |
| Coordinates | 39.5767, -112.7133 |
| Nearest City | Payson (99 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-30T03:41:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Juab, UT; Millard, UT |
| Headline | Severe Thunderstorm Warning issued August 29 at 9:41PM MDT until August 29 at 9:45PM MDT by NWS Salt Lake City UT |
| Expires | 2026-08-29T21:51:00-06:00 |
| SenderName | NWS Salt Lake City UT |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | 60 |
| Spc Location | 1 SSE Sugarville |
| Spc County | Millard |
| Spc State | UT |
| Spc Comments | Corrects previous tstm wnd gst report from 1 SSE Sugarville. Added 1 hour to the previously reported time. Measured at the Sutherland - Agrimet SUTU site. (SLC) |
| Iem TypeSummary | G |
| Iem Magnitude | 60 |
| Iem Unit | MPH |
| Iem City | 1 SSE Sugarville |
| Iem County | Millard |
| Iem State | UT |
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 Payson (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.