This alert is in force until 31 August 2026, 05:15 UTC.
No stronger detection stands among the 14 recorded within 20 km of this point since 17 July 2026 — 11 others scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Flash Flood Warning issued August 30 at 3:30PM MST until August 30 at 10:15PM MST by NWS Flagstaff AZ
Nearby, since 17 July 2026
- August 9, 2026 · score 22 · 10.1 km
- July 26, 2026 · score 22 · 16.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 61 % 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 | 61% |
| Coordinates | 37.5951, -111.3184 |
| Nearest City | Cedar City (154 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-30T22:30:00.000Z |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coconino, AZ; Wayne, UT; Kane, UT and 3 more areas |
| Headline | Flash Flood Warning issued August 30 at 3:30PM MST until August 30 at 10:15PM MST by NWS Flagstaff AZ |
| Expires | 2026-08-30T22:15:00-07:00 |
| SenderName | NWS Flagstaff AZ |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a6915903528d9932cb5a29a69a64669396e9c3a4.001.1","noaa_urn:oid:2.49.0.1.840.0.38c682c614fa857acede7db6f3790a999ca1e6ef.001.1","noaa_urn:oid:2.49.0.1.840.0.dc37a73ab365a51e6ef9e362906b26eecdcd84ce.001.1","noaa_urn:oid:2.49.0.1.840.0.7d26fe0e6ddb92d2b3c1b7e6708e239d3a6b4ad0.001.1","noaa_urn:oid:2.49.0.1.840.0.c7827d6ce071904a15d0a364eed9d0561f0dfd49.001.1","noaa_urn:oid:2.49.0.1.840.0.8254274e13d5c9e44445e7d383bd237bd7b7e537.001.1","noaa_urn:oid:2.49.0.1.840.0.62d41bcf611aa5094be867f40eec04af7ccae95c.001.1","noaa_urn:oid:2.49.0.1.840.0.8d5b6b5fcd2641f6693688df92fc36c4ba8f27e6.001.1"] |
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 22/100, near Cedar City (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.