This alert expired on 27 August 2026 at 23:30 UTC. It is kept here as a record.
No stronger detection stands among the 58 recorded within 20 km of this point since 13 April 2026 — 6 others scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 27 at 3:52PM MST until August 27 at 4:30PM MST by NWS Tucson AZ
An estimated 368,742 people live within 50 km of this point.
Nearby, since 13 April 2026
- August 29, 2026 · score 43 · 11.2 km
- August 27, 2026 · score 43 · 11.3 km
- July 28, 2026 · score 43 · 12.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 49 out of 100, at 84 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | High |
| Calamity Score (ours) | 49 / 100 |
| Our confidence | 84% |
| Coordinates | 31.5738, -110.6889 |
| Nearest City | Rio Rico (30 km) |
| Population Exposed | 368.7K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-08-27T22:52:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.99283760bba1523b7e88a2789a8f5b58 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Santa Cruz, AZ; Cochise, AZ |
| Headline | Severe Thunderstorm Warning issued August 27 at 3:52PM MST until August 27 at 4:30PM MST by NWS Tucson AZ |
| Expires | 2026-08-27T16:30:00-07:00 |
| SenderName | NWS Tucson AZ |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.99283760bba1523b7e88a2789a8f5b584c493a0f.001.1","noaa_urn:oid:2.49.0.1.840.0.30f2dd528609e5fc7e61d6116a70d0385bd844c4.001.1"] |
| Spc ReportType | wind |
| Spc Speed | 86 |
| Spc Location | 12 NW Patagonia |
| Spc County | Santa Cruz |
| Spc State | AZ |
| Spc Comments | Mesonet station QHPA3 Hopkins recorded wind gust of 86 mph. (TWC) |
| MergedSources | [{"id":"spc_wind_31.68_-110.88_72","source":"spc","severity":"high","severityValue":70,"timestamp":1787866800000,"latitude":31.68,"longitude":-110.88}] |
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.
Want to know when something happens near Rio Rico?
Calamity.live data shows a weather event with CalamityScore 49/100, near Rio Rico (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.