Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is in it.
2 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert expired on 11 September 2026 at 19:51 UTC. It is kept here as a record.
It is one of only 3 we have recorded within 20 km of this point since 11 September 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 11 at 12:41PM MST until September 11 at 12:45PM MST by NWS Flagstaff AZ
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 61 % 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 | 61% |
| Coordinates | 34.7766, -110.5840 |
| Nearest City | Payson (91 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-11T19:41:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.8e9e7fda7ffb0c1593f1836bcfb2b7ae3f112d85.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Coconino, AZ; Navajo, AZ |
| Headline | Severe Thunderstorm Warning issued September 11 at 12:41PM MST until September 11 at 12:45PM MST by NWS Flagstaff AZ |
| Expires | 2026-09-11T12:51:00-07:00 |
| SenderName | NWS Flagstaff AZ |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8e9e7fda7ffb0c1593f1836bcfb2b7ae3f112d85.001.1","noaa_urn:oid:2.49.0.1.840.0.b5484f8e0ad8053c10b578ac2eed8cd75b602b3d.001.1"] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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.
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