Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
3 other detections within 20 km in the last 24 hours, the nearest 3 km from here.
This alert expired on 13 September 2026 at 23:30 UTC. It is kept here as a record.
It is the 13th strongest of the 24 detections recorded within 20 km of this point since 14 June 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued September 13 at 1:24PM MST until September 13 at 4:30PM MST by NWS Flagstaff AZ
An estimated 84,096 people live within 50 km of this point.
Nearby, since 14 June 2026
- August 11, 2026 · score 39 · 6.1 km
- September 13, 2026 · score 32 · 7.5 km
- June 14, 2026 · score 32 · 9.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 32 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 32 / 100 |
| Our confidence | 81% |
| Coordinates | 34.3864, -112.1786 |
| Nearest City | Prescott Valley (28 km) |
| Population Exposed | 84.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-13T20:24:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.2a0986dd3b647d901c0addae1a2beb8fe1363ea3.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Yavapai, AZ |
| Headline | Flash Flood Warning issued September 13 at 1:24PM MST until September 13 at 4:30PM MST by NWS Flagstaff AZ |
| Expires | 2026-09-13T16:30:00-07:00 |
| SenderName | NWS Flagstaff AZ |
| HasExactCoords | true |
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 8 March 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.
Want to know when something happens near Prescott Valley?