Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
2 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert expired on 9 September 2026 at 23:00 UTC. It is kept here as a record.
It is the 30th strongest of the 55 detections recorded within 20 km of this point since 13 April 2026. The last comparable one was on 2 September 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 9 at 3:17PM MST until September 9 at 4:00PM MST by NWS Tucson AZ
An estimated 325,387 people live within 50 km of this point.
Nearby, since 13 April 2026
- September 2, 2026 · score 37 · 2.2 km
- July 22, 2026 · score 43 · 5.3 km
- July 21, 2026 · score 43 · 5.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 out of 100, at 80 % 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) | 37 / 100 |
| Our confidence | 80% |
| Coordinates | 31.4900, -110.9220 |
| Nearest City | Rio Rico (6 km) |
| Population Exposed | 325.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-09T22:17:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.24108d8fd6c5a002ff60e70793bca3b1181b6579.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Santa Cruz, AZ |
| Headline | Severe Thunderstorm Warning issued September 9 at 3:17PM MST until September 9 at 4:00PM MST by NWS Tucson AZ |
| Expires | 2026-09-09T16:00:00-07:00 |
| SenderName | NWS Tucson AZ |
| HasExactCoords | true |
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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