This alert expired on 30 August 2026 at 01:45 UTC. It is kept here as a record.
No stronger detection stands among the 15 recorded within 20 km of this point since 15 March 2026 — 9 others scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Flood Warning issued August 29 at 5:19PM MDT until August 29 at 7:45PM MDT by NWS Salt Lake City UT
Nearby, since 15 March 2026
- May 14, 2026 · score 22 · 16.8 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 67 % 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 | 67% |
| Coordinates | 39.3333, -110.9100 |
| Nearest City | Payson (105 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-29T23:19:00.000Z |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Carbon, UT; Emery, UT; Sanpete, UT |
| Headline | Flood Warning issued August 29 at 5:19PM MDT until August 29 at 7:45PM MDT by NWS Salt Lake City UT |
| Expires | 2026-08-29T19:45:00-06:00 |
| SenderName | NWS Salt Lake City UT |
| HasExactCoords | true |
| Iem TypeSummary | E |
| Iem City | Orangeville |
| Iem County | Emery |
| Iem State | UT |
| Iem Wfo | SLC |
| Iem Remark | Broadcast media received videos of floodwaters through Welcome Park. |
| MergedSources | [{"id":"iem_E_39.230_-111.050_1788040800000","source":"iem","severity":"low","severityValue":25,"timestamp":1788040800000,"latitude":39.23,"longitude":-111.05}] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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.