This alert expired on 31 August 2026 at 03:45 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 13 July 2026 — 12 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 30 at 8:28PM MST until August 30 at 8:45PM MST by NWS Phoenix AZ
An estimated 1,216,744 people live within 50 km of this point.
Nearby, since 13 July 2026
- August 11, 2026 · score 52 · 10.0 km
- July 13, 2026 · score 52 · 10.3 km
- August 31, 2026 · score 52 · 12.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 81% |
| Coordinates | 33.4499, -112.6273 |
| Nearest City | Buckeye (10 km) |
| Population Exposed | 1.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-31T03:28:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | La Paz, AZ; Maricopa, AZ; Maricopa, AZ; Pinal, AZ; Maricopa, AZ |
| Headline | Severe Thunderstorm Warning issued August 30 at 8:28PM MST until August 30 at 8:45PM MST by NWS Phoenix AZ |
| Expires | 2026-08-30T20:45:00-07:00 |
| SenderName | NWS Phoenix AZ |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0366ee7034aa1bd123915a1eebd578c74ad96783.001.1","noaa_urn:oid:2.49.0.1.840.0.d1928734f6ce12c069297eeeba702d24a7d20823.001.1","noaa_urn:oid:2.49.0.1.840.0.7953c6f6669510f514219ed0439da74a5ab11b93.001.1","noaa_urn:oid:2.49.0.1.840.0.555e157f7876fb1a3b9a5c19262a834b056b6f81.001.1"] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 52/100, near Buckeye (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.