This alert is in force until 31 August 2026, 21:15 UTC.
It is the 46th strongest of the 56 detections recorded within 20 km of this point since 21 July 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Flash Flood Warning issued August 31 at 6:17AM MST until August 31 at 2:15PM MST by NWS Flagstaff AZ
Nearby, since 21 July 2026
- July 30, 2026 · score 22 · 5.9 km
- July 30, 2026 · score 22 · 12.7 km
- August 31, 2026 · score 28 · 13.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 62 % 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) | 16 / 100 |
| Our confidence | 62% |
| Coordinates | 36.9931, -111.8487 |
| Nearest City | Hurricane (130 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-31T13:17:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.942aea99b212d7600b85e4e8bfcc70f25a9033ff.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coconino, AZ; Kane, UT |
| Headline | Flash Flood Warning issued August 31 at 6:17AM MST until August 31 at 2:15PM MST by NWS Flagstaff AZ |
| Expires | 2026-08-31T14:15:00-07:00 |
| SenderName | NWS Flagstaff AZ |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.942aea99b212d7600b85e4e8bfcc70f25a9033ff.001.1","noaa_urn:oid:2.49.0.1.840.0.8d493a54061542bec5bc23717c52388e4c34117d.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 16/100, near Hurricane (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.