Right now
The most recent data we hold from NOAA arrived 5 minutes ago, and this point is in it.
One other detection within 20 km in the last 24 hours, <1 km from here.
This alert is in force until 11 September 2026, 22:45 UTC.
It is the 4th strongest of the 5 detections recorded within 20 km of this point since 15 July 2026. The last comparable one was on 12 August 2026.
What the source measured
NOAA reported: Flash Flood Warning issued September 11 at 12:31PM MST until September 11 at 3:45PM MST by NWS Flagstaff AZ
Nearby, since 15 July 2026
- September 11, 2026 · score 16 · 0.0 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 60 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 16 / 100 |
| Our confidence | 60% |
| Coordinates | 34.3656, -110.1033 |
| Nearest City | Payson (114 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-11T19:31:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.e635bd0d36bb5dccba69c27dd9b112d41dbec43d.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Navajo, AZ |
| Headline | Flash Flood Warning issued September 11 at 12:31PM MST until September 11 at 3:45PM MST by NWS Flagstaff AZ |
| Expires | 2026-09-11T15:45:00-07:00 |
| SenderName | NWS Flagstaff AZ |
| HasExactCoords | true |
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?