Right now
The most recent data we hold from SPC arrived 2 hours ago, and this point is in it.
6 other detections within 20 km in the last 24 hours, the nearest 9 km from here.
Reported by SPC today.
It is the 22nd strongest of the 35 detections recorded within 20 km of this point since 3 April 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind UNK kt near 1 SSW Delphi, Carroll, IN. Tree downed on Old SR 25 by TRW winds. Time estimated by radar. (IND)
Urban PEI: 208,509 within a heuristic 50 km radius; not unique people.
Nearby, since 3 April 2026
- July 27, 2026 · score 43 · 7.5 km
- June 10, 2026 · score 43 · 7.9 km
- August 13, 2026 · score 43 · 9.6 km
How we know
2 recorded sources include SPC; independence is not established by this count.
Our own score for this event is 37 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 | Medium |
| Calamity Score (ours) | 37 / 100 |
| Legacy data-support index | 0.75/1 |
| Coordinates | 40.5700, -86.6800 |
| Nearest City | Lafayette (24 km) |
| Urban exposure index (PEI) | 208.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-18T00:55:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
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: spc. Occurrence: 2026-09-18T00:55:00.000Z.
First archived: 2026-09-18T01:55:07.364Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-18T05:17:44.931Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-18T04:45:36.556Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-18T04:39:44.192Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-18T04:07:45.958Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-18T02:42:47.362Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
2026-09-18T02:32:14.720Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 1 SSW Delphi |
| County | Carroll |
| State | IN |
| Comments | Tree downed on Old SR 25 by TRW winds. Time estimated by radar. (IND) |
| Iem TypeSummary | D |
| Iem City | 1 SSW Delphi |
| Iem County | Carroll |
| Iem State | IN |
| Iem Wfo | IND |
| Iem Remark | Tree downed on Old SR 25 by TRW winds. Time estimated by radar. |
| MergedSources | [{"id":"iem_D_40.570_-86.680_1789692900000","source":"iem","severity":"low","severityValue":25,"timestamp":1789692900000,"latitude":40.57,"longitude":-86.68}] |
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.
Review the area, threshold and delivery channel in your account.
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