This alert expired on 14 June 2026 at 23:34 UTC. It is kept here as a record.
It is the 20th strongest of the 42 detections recorded within 20 km of this point since 14 June 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 June 14 at 4:24PM MST until June 14 at 4:30PM MST by NWS Tucson AZ
An estimated 378,843 people live within 50 km of this point.
Nearby, since 14 June 2026
- August 30, 2026 · score 54 · 14.2 km
- July 12, 2026 · score 48 · 16.6 km
- September 2, 2026 · score 41 · 16.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 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 v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 31.7333, -111.0900 |
| Nearest City | Green Valley (16 km) |
| Population Exposed | 378.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-14T23:24:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.883d0e725454b5f9d6e28612d947966a91a32f7e.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Pima, AZ; Santa Cruz, AZ |
| Headline | Severe Thunderstorm Warning issued June 14 at 4:24PM MST until June 14 at 4:30PM MST by NWS Tucson AZ |
| Expires | 2026-06-14T16:34:00-07:00 |
| 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.
Want to know when something happens near Green Valley?
Calamity.live data shows a weather event with CalamityScore 43/100, near Green Valley (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.