This alert expired on 31 August 2026 at 21:45 UTC. It is kept here as a record.
It is the 9th strongest of the 17 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 2:02PM MST until August 31 at 2:45PM MST by NWS Phoenix AZ
Nearby, since 10 August 2026
- August 31, 2026 · score 28 · 10.3 km
- August 10, 2026 · score 34 · 17.5 km
- August 13, 2026 · score 22 · 21.0 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 | 33.8740, -114.1340 |
| Nearest City | Blythe (52 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-31T21:02:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.222b10df957b2137ca574e5c9b4bef651ad261b4.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | La Paz, AZ |
| Headline | Severe Thunderstorm Warning issued August 31 at 2:02PM 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:2.49.0.1.840.0.222b10df957b2137ca574e5c9b4bef651ad261b4.001.1","noaa_urn:oid:2.49.0.1.840.0.4ae4765d2b0aad04758d5ba7479c49509b8d8ae3.001.1"] |
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.