Right now
The most recent data we hold from IEM arrived 13 minutes ago, and this point is in it.
3 other detections within 20 km in the last 24 hours, the nearest 4 km from here.
Reported by IEM today.
It is one of only 4 we have recorded within 20 km of this point since 29 September 2026.
What the source measured
IEM reported: Flooding and road closure on Highway 70 between mile posts 374-375.
Nearby, since 29 September 2026
- September 30, 2026 · score 9 · 6.6 km
How we know
One source: IEM. Not yet confirmed by a second, independent source.
Our own score for this event is 9 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 v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Flood |
| Severity | High |
| Calamity Score (ours) | 9 / 100 |
| Legacy data-support index | 0.38/1 |
| Coordinates | 32.7300, -109.1600 |
| Nearest City | Tanque Verde (158 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-29T21:09:00.000Z |
| Source | https://mesonet.agron.iastate.edu/lsr/ |
Physical priority index · v5. 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: iem. Occurrence: 2026-09-29T21:09:00.000Z.
First archived: 2026-09-29T21:58:23.272Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
3 retained revisions changed source fields this page does not show; the index, severity and version stayed the same.
Score Breakdown
Technical Details
| TypeSummary | Flash flood |
| LsrCode | F |
| LsrType | FLASH FLOOD |
| City | 4 W Duncan |
| County | Greenlee |
| State | AZ |
| Wfo | TWC |
| Remark | Flooding and road closure on Highway 70 between mile posts 374-375. |
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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