This alert expired on 11 August 2026 at 01:00 UTC. It is kept here as a record.
No stronger detection stands among the 44 recorded within 20 km of this point since 13 July 2026 — 40 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued August 10 at 5:50PM MDT until August 10 at 7:00PM MDT by NWS Salt Lake City UT
Nearby, since 13 July 2026
- July 14, 2026 · score 22 · 2.5 km
- July 21, 2026 · score 22 · 4.0 km
- July 24, 2026 · score 22 · 10.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 64 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 64% |
| Coordinates | 38.2600, -112.4890 |
| Nearest City | Cedar City (82 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-10T23:50:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c5498da26db35685f11fa2b1851866f55e3a6c9f.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Beaver, UT |
| Headline | Flash Flood Warning issued August 10 at 5:50PM MDT until August 10 at 7:00PM MDT by NWS Salt Lake City UT |
| Expires | 2026-08-10T19:00:00-06:00 |
| SenderName | NWS Salt Lake City UT |
| HasExactCoords | true |
| Iem TypeSummary | x |
| Iem City | 3 E Beaver |
| Iem County | Beaver |
| Iem State | UT |
| Iem Wfo | SLC |
| Iem Remark | Time shown is in when the debris was estimated to reach the Grove area. |
| MergedSources | [{"id":"iem_x_38.280_-112.590_1786401900000","source":"iem","severity":"low","severityValue":25,"timestamp":1786401900000,"latitude":38.28,"longitude":-112.59}] |
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 8 March 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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.