This alert expired on 19 July 2026 at 00:45 UTC. It is kept here as a record.
No stronger detection stands among the 13 recorded within 20 km of this point since 16 July 2026 — 9 others scored the same. The last comparable one was on 17 July 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 18 at 3:44PM MDT until July 18 at 6:45PM MDT by NWS Salt Lake City UT
An estimated 30,184 people live within 50 km of this point.
Nearby, since 16 July 2026
- July 16, 2026 · score 34 · 4.0 km
- August 28, 2026 · score 34 · 12.8 km
- July 20, 2026 · score 34 · 13.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 79 % 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) | 34 / 100 |
| Our confidence | 79% |
| Coordinates | 37.8585, -112.6247 |
| Nearest City | Cedar City (43 km) |
| Population Exposed | 30.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-18T21:44:00.000Z |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Piute, UT; Sevier, UT; Kane, UT; Washington, UT |
| Headline | Flash Flood Warning issued July 18 at 3:44PM MDT until July 18 at 6:45PM MDT by NWS Salt Lake City UT |
| Expires | 2026-07-18T18:45:00-06:00 |
| SenderName | NWS Salt Lake City UT |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ec17cfdee008088bd271e2e69ec7b57689b37357.001.1","noaa_urn:oid:2.49.0.1.840.0.b48cf74366caee6ee37362c0efbd5ad2ade5646b.001.1"] |
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 34/100, near Cedar City (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.