Right now
The most recent data we hold from NOAA arrived 18 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 18 km from here.
This alert expired on 22 July 2026 at 03:45 UTC. It is kept here as a record.
No stronger detection stands among the 14 recorded within 20 km of this point since 14 July 2026 — 3 others scored the same. The last comparable one was on 18 July 2026. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 21 at 5:40PM MST until July 21 at 8:45PM MST by NWS Flagstaff AZ
Urban PEI: 150,505 within a heuristic 50 km radius; not unique people.
Nearby, since 14 July 2026
- July 18, 2026 · score 34 · 16.9 km
- September 15, 2026 · score 37 · 18.4 km
- August 9, 2026 · score 22 · 19.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 33.2881, -111.0515 |
| Nearest City | Florence (43 km) |
| Urban exposure index (PEI) | 150.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-22T00:40:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.6e0717966682615f14514fdec142e1fa |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-07-22T00:40:00.000Z.
First archived: 2026-07-22T00:47:47.872Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coconino, AZ; Gila, AZ; Yavapai, AZ; Gila, AZ; Yavapai, AZ and 3 more areas |
| Headline | Flash Flood Warning issued July 21 at 5:40PM MST until July 21 at 8:45PM MST by NWS Flagstaff AZ |
| Expires | 2026-07-21T20:45:00-07:00 |
| SenderName | NWS Flagstaff AZ |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.6e0717966682615f14514fdec142e1fa8e0bfc53.001.1","noaa_urn:oid:2.49.0.1.840.0.bf8e2e072748d5e32674e86d0acdac083e0a03b0.001.1","noaa_urn:oid:2.49.0.1.840.0.a020483a66c4ff1b13446a820b2452d70647bb6b.001.1","noaa_urn:oid:2.49.0.1.840.0.41a53581bc435c7072ecff9fc81b4a900ad75e3f.001.1","noaa_urn:oid:2.49.0.1.840.0.3cf7a93bb5c37f6da93aa98c9d7220a9fcecdfe0.001.1","noaa_urn:oid:2.49.0.1.840.0.bf46146419a1368bd8554b363f08734b9ac5704e.001.1","noaa_urn:oid:2.49.0.1.840.0.eddbf6004a48121dfab3a505bd06b6ba8630d7c3.001.1","noaa_urn:oid:2.49.0.1.840.0.b1cb934525d1687a3ae93022fa8aa0ff80561b0a.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 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.
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