Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
7 other detections within 20 km in the last 24 hours, the nearest 6 km from here.
This alert expired on 10 September 2026 at 02:30 UTC. It is kept here as a record.
It is the 47th strongest of the 96 detections recorded within 20 km of this point since 13 April 2026. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 9 at 6:42PM MST until September 9 at 7:30PM MST by NWS Tucson AZ
An estimated 43,355 people live within 50 km of this point.
Nearby, since 13 April 2026
- August 4, 2026 · score 34 · 4.4 km
- September 10, 2026 · score 40 · 15.6 km
- July 11, 2026 · score 39 · 19.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 28 out of 100, at 86 % 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) | 28 / 100 |
| Our confidence | 86% |
| Coordinates | 31.6829, -110.3018 |
| Nearest City | Sierra Vista (15 km) |
| Population Exposed | 43.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-10T01:42:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.020d34ca3fc7533dece18e4e7ba6a0a3f8ac2e66.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cochise, AZ; Cochise, AZ; Pima, AZ; Santa Cruz, AZ |
| Headline | Severe Thunderstorm Warning issued September 9 at 6:42PM MST until September 9 at 7:30PM MST by NWS Tucson AZ |
| Expires | 2026-09-09T19:30:00-07:00 |
| SenderName | NWS Tucson AZ |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.020d34ca3fc7533dece18e4e7ba6a0a3f8ac2e66.001.1","noaa_urn:oid:2.49.0.1.840.0.564f3ea35102cbb7e276d8f5dab6aaf7cc64f54d.001.1","noaa_urn:oid:2.49.0.1.840.0.9d10a825c65941bd17638786a76e80177c461334.001.1"] |
| Spc ReportType | wind |
| Spc Speed | 73 |
| Spc Location | 1 N Patagonia |
| Spc County | Santa Cruz |
| Spc State | AZ |
| Spc Comments | Public personal weather station recorded wind gust of 73 mph. (TWC) |
| MergedSources | [{"id":"spc_wind_31.56_-110.75_26","source":"spc","severity":"medium","severityValue":45,"timestamp":1789004371504,"latitude":31.56,"longitude":-110.75}] |
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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