This alert is in force until 1 September 2026, 01:45 UTC.
Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Flash Flood Warning issued August 31 at 2:45PM MST until August 31 at 6:45PM 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 16 out of 100, at 60 % 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 | 60% |
| Coordinates | 34.4279, -113.3199 |
| Nearest City | Prescott (79 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-31T21:45:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.db4900c2e671f687aae157a3673717c4390fb6f9.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | La Paz, AZ; Yavapai, AZ |
| Headline | Flash Flood Warning issued August 31 at 2:45PM MST until August 31 at 6:45PM MST by NWS Phoenix AZ |
| Expires | 2026-08-31T18:45:00-07:00 |
| SenderName | NWS Phoenix AZ |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.db4900c2e671f687aae157a3673717c4390fb6f9.001.1","noaa_urn:oid:2.49.0.1.840.0.9f569bb82035f193337335d41b2f994c7e09194f.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 16/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.