Right now
The most recent data we hold from IEM arrived 27 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 28 September 2026.
What the source measured
IEM reported: CHP reports roadway flooding and impassable conditions on Goffs road. Rocks and debris accumulated on roadway and blade will be required for clearing.
Urban PEI: 39,445 within a heuristic 50 km radius; not unique people.
How we know
One source: IEM. Not yet confirmed by a second, independent source.
Our own score for this event is 21 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) | 21 / 100 |
| Legacy data-support index | 0.64/1 |
| Coordinates | 34.9400, -114.8700 |
| Nearest City | Bullhead City (36 km) |
| Urban exposure index (PEI) | 39.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-28T22:01:00.000Z |
| 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: 2026-09-28T22:01:00.000Z.
First archived: 2026-09-29T04:48:06.330Z. 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
| TypeSummary | Flash flood |
| LsrCode | F |
| LsrType | FLASH FLOOD |
| City | 16 WNW Needles |
| County | San Bernardino |
| State | CA |
| Wfo | VEF |
| Remark | CHP reports roadway flooding and impassable conditions on Goffs road. Rocks and debris accumulated on roadway and blade will be required for clearing. |
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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