This alert expired on 31 August 2026 at 21:45 UTC. It is kept here as a record.
It is the 6th strongest of the 8 detections recorded within 20 km of this point since 10 August 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 31 at 2:27PM MST until August 31 at 2:45PM MST by NWS Phoenix AZ
Nearby, since 10 August 2026
- August 31, 2026 · score 28 · 13.4 km
- August 13, 2026 · score 22 · 16.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 61 % 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) | 16 / 100 |
| Our confidence | 61% |
| Coordinates | 33.9130, -114.0980 |
| Nearest City | Blythe (57 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-31T21:27:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.9d8029bfeb36a4cab9ce84cf9773625648fafc59.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | La Paz, AZ |
| Headline | Severe Thunderstorm Warning issued August 31 at 2:27PM MST until August 31 at 2:45PM MST by NWS Phoenix AZ |
| Expires | 2026-08-31T14:45:00-07:00 |
| SenderName | NWS Phoenix AZ |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9d8029bfeb36a4cab9ce84cf9773625648fafc59.001.1","noaa_urn:oid:2.49.0.1.840.0.b35c7f3927e00546c055af79aa18586246ff28e0.001.1"] |
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 16/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.