Right now
The most recent data we hold from NOAA arrived 1 minute ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
8 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert expired on 16 September 2026 at 01:00 UTC. It is kept here as a record.
It is the 5th strongest of the 43 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 15 at 8:16PM EDT until September 15 at 9:00PM EDT by NWS Northern Indiana
Urban PEI: 293,130 within a heuristic 50 km radius; not unique people.
Nearby, since 17 March 2026
- September 15, 2026 · score 37 · 10.4 km
- September 4, 2026 · score 37 · 16.1 km
- September 5, 2026 · score 37 · 17.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
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 | 0.80/1 |
| Coordinates | 41.2174, -85.3284 |
| Nearest City | Fort Wayne (19 km) |
| Urban exposure index (PEI) | 293.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-16T00:16:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.1e4af631cbdf1dc9707608a131f4259078ddcd4b.001.1 |
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: noaa. Occurrence: 2026-09-16T00:16:00.000Z.
First archived: 2026-09-16T00:19:31.522Z. 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
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Allen, IN; De Kalb, IN; Noble, IN; Noble, IN; Whitley, IN |
| Headline | Severe Thunderstorm Warning issued September 15 at 8:16PM EDT until September 15 at 9:00PM EDT by NWS Northern Indiana |
| Expires | 2026-09-15T21:00:00-04:00 |
| SenderName | NWS Northern Indiana |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.1e4af631cbdf1dc9707608a131f4259078ddcd4b.001.1","noaa_urn:oid:2.49.0.1.840.0.3026bb5cde564c8e24963f51112e2af70958d3df.001.1"] |
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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