This alert expired on 9 August 2026 at 22:16 UTC. It is kept here as a record.
It is the strongest of the 25 detections recorded within 20 km of this point since 13 May 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Immediate Evacuation Ordered for West Henefer
An estimated 1,061,918 people live within 50 km of this point.
Nearby, since 13 May 2026
- August 10, 2026 · score 54 · 6.1 km
- August 10, 2026 · score 54 · 6.7 km
- July 20, 2026 · score 46 · 7.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 58 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | high |
| Calamity Score (ours) | 58 / 100 |
| Our confidence | 80% |
| Coordinates | 40.9740, -111.5450 |
| Nearest City | Centerville (28 km) |
| Population Exposed | 1.1M within 50 km |
| Impact Tier | severe |
| Date | 2026-08-09 — time not reported by the source |
Score Breakdown
Technical Details
| Event | Evacuation Immediate |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Summit County, Utah |
| Headline | Immediate Evacuation Ordered for West Henefer |
| Expires | 2026-08-09T15:16:01-07:00 |
| SenderName | 201529,Summit County Citizen Alert,Summit County Emergency Mgt |
| 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 58/100, near Centerville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.