Calamity
CriticalRiver FloodsCS: 68 · v1

River Floods near Fishers

United StatesUSGS Water Services

Right now

Nothing else has been detected within 20 km in the last 24 hours.

Reported by USGS Water Services 48 days ago.

No stronger detection stands among the 12 recorded within 20 km of this point since 5 July 2026 — one other scored the same. The last comparable one was on 5 July 2026.

What the source measured

USGS Water Services reported: Major Flooding at FALL CREEK AT 79TH ST AT INDIANAPOLIS, IN, IN | Gage height: 828.94 ft | Ref. point: 17.19 ft

Urban PEI: 860,195 within a heuristic 50 km radius; not unique people.

Nearby, since 5 July 2026

How we know

One source: USGS Water Services. Not yet confirmed by a second, independent source.

Our own score for this event is 68 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

TypeRiver Floods
SeverityCritical
Calamity Score (ours)68 / 100
Legacy data-support index0.69/1
Coordinates39.8981, -85.9911
Nearest CityFishers (7 km)
Urban exposure index (PEI)860.2K within 50 km
Impact Tiercatastrophic
Timestamp2026-07-31T04:57:30.307Z
Sourcehttps://waterdata.usgs.gov/monitoring-location/03351710/

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: nwis. Occurrence: 2026-07-31T04:57:30.307Z.

First archived: 2026-07-31T05:32:20.929Z. 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

85
intensity
85
Urban PEI term
0
Scenario weight
80
Recorded reference / batch anomaly

Technical Details

SiteNo03351710
StationNameFALL CREEK AT 79TH ST AT INDIANAPOLIS, IN
FloodCategorymajor_flooding
GageHeight828.94
RpElevation17.19
RpNameBFE
StateCodeIN

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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