Right now
The most recent data we hold from USGS Water Services arrived 27 hours ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
Reported by USGS Water Services 2 days ago.
It is the only one we have recorded within 20 km of this point since 26 September 2026.
What the source measured
USGS Water Services reported: Parking area adjacent to the pump house, elevation derived from RM6, brass tablet set into the NE corner of the pumphouse cement pad for parking. | Gage height: 34.99 ft | Ref. point: 15.01 ft
How we know
One source: USGS Water Services. Not yet confirmed by a second, independent source.
Our own score for this event is 41 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 | River Floods |
| Severity | Critical |
| Calamity Score (ours) | 41 / 100 |
| Legacy data-support index | 0.50/1 |
| Coordinates | 29.1858, -102.9730 |
| Nearest City | Manuel Ojinaga (146 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Date | 2026-09-26, time not reported by the source |
| Source | https://waterdata.usgs.gov/monitoring-location/08375300/ |
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: nwis. Occurrence: 2026-09-26, time not reported.
First archived: 2026-09-26T21:42:26.200Z. 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
| SiteNo | 08375300 |
| StationName | Rio Grande at Rio Grande Village, Big Bnd NP, TX |
| FloodCategory | major_flooding |
| EstimatedSeverity | major_flooding |
| SeverityProvenance | calamity-rtfi-excess-v1 |
| GageHeight | 10.66 |
| RpElevation | 4.58 |
| Unit | m |
| OriginalGageHeight | 34.99 |
| OriginalRpElevation | 15.01 |
| OriginalUnit | ft |
| SourceImpactThreshold | {"id":21355,"name":"Parking","value":15.01099967956543,"unit":"ft"} |
| RpName | Parking |
| NwsId | BOQT2 |
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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