This alert expired on 1 September 2026 at 01:48 UTC. It is kept here as a record.
It is the 10th strongest of the 32 detections recorded within 20 km of this point since 10 August 2026. The last comparable one was on 31 August 2026.
What the source measured
NOAA reported: Flash Flood Warning issued August 31 at 6:38PM MST until August 31 at 6:45PM MST by NWS Phoenix AZ
Nearby, since 10 August 2026
- September 1, 2026 · score 16 · 11.8 km
- August 31, 2026 · score 28 · 14.4 km
- August 13, 2026 · score 22 · 15.6 km
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 16 out of 100, at 71 % 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 | 71% |
| Coordinates | 33.8584, -114.0477 |
| Nearest City | Blythe (58 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-01T01:38:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.6298fb701fc546d32ee9f13c76b5c01220cc62ac.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | La Paz, AZ |
| Headline | Flash Flood Warning issued August 31 at 6:38PM MST until August 31 at 6:45PM MST by NWS Phoenix AZ |
| Expires | 2026-08-31T18:48:00-07:00 |
| SenderName | NWS Phoenix AZ |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.6298fb701fc546d32ee9f13c76b5c01220cc62ac.001.1","noaa_urn:oid:2.49.0.1.840.0.1447fb2ef67568d589d178e539b5f421bbe50062.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 6 SE Bouse |
| Spc County | La Paz |
| Spc State | AZ |
| Spc Comments | Multiple photos showed downed power poles at Avenue 42E. Timing estimated from radar. (PSR) |
| Iem TypeSummary | F |
| Iem City | 1 SSW Bouse |
| Iem County | La Paz |
| Iem State | AZ |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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.