This alert expired on 31 August 2026 at 02:00 UTC. It is kept here as a record.
No stronger detection stands among the 15 recorded within 20 km of this point since 30 August 2026 — 10 others scored the same. The last comparable one was on 30 August 2026.
What the source measured
NOAA reported: Flash Flood Warning issued August 30 at 5:49PM MST until August 30 at 7:00PM MST by NWS Phoenix AZ
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 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) | 22 / 100 |
| Our confidence | 61% |
| Coordinates | 33.9539, -113.6978 |
| Nearest City | Lake Havasu City (82 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-31T00:49:00.000Z |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | La Paz, AZ |
| Headline | Flash Flood Warning issued August 30 at 5:49PM MST until August 30 at 7:00PM MST by NWS Phoenix AZ |
| Expires | 2026-08-30T19:00:00-07:00 |
| SenderName | NWS Phoenix AZ |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c5f20146abac1c3c9ae53927dc6cf42a8bfaf807.001.1","noaa_urn:oid:2.49.0.1.840.0.784acb34ec61ffdc6d6d93e56f257c13507119a1.001.1"] |
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 22/100, near Lake Havasu City (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.