Right now
The most recent data we hold from IEM arrived 27 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
One other detection within 20 km in the last 24 hours, 2 km from here.
Reported by IEM yesterday.
It is the 24th strongest of the 45 detections recorded within 20 km of this point since 10 March 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
IEM reported: Street flooding at intersection of E University and N Recker Rd. Water is 6-8 inches deep and flowing over the road. Reports of a few vehicles stranded.
Nearby, since 10 March 2026
- September 17, 2026 · score 46 · 1.9 km
- September 16, 2026 · score 46 · 7.9 km
- August 13, 2026 · score 52 · 9.4 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 | Severe Weather |
| Severity | Low |
| Calamity Score (ours) | 9 / 100 |
| Legacy data-support index | 0.42/1 |
| Coordinates | 33.4200, -111.7000 |
| Timestamp | 2026-09-16T20:23:00.000Z |
| 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: 2026-09-16T20:23:00.000Z.
First archived: 2026-09-16T22:14:55.237Z. Material modification: 2026-09-17T02:40:11.066Z.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-17T08:18:33.605Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-17T06:30:55.294Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-17T05:47:48.813Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-17T05:31:47.074Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-17T04:54:24.403Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-17T04:11:15.011Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-17T03:55:17.843Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-17T03:49:55.728Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-17T03:33:52.833Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-17T03:17:50.798Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-17T02:56:12.223Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-17T02:50:49.388Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-17T02:45:30.532Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-17T02:40:11.066Z · data_change
Index 46 → 9; severity medium → low; version 5 → 5.
Score Breakdown
Technical Details
| TypeSummary | F |
| City | 1 WNW East Mesa |
| County | Maricopa |
| State | AZ |
| Wfo | PSR |
| Remark | Street flooding at intersection of E University and N Recker Rd. Water is 6-8 inches deep and flowing over the road. Reports of a few vehicles stranded. |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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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