Right now
The most recent data we hold from NOAA arrived 6 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 19 May 2026 at 22:30 UTC. It is kept here as a record.
It is the 10th strongest of the 43 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 19 at 6:16PM EDT until May 19 at 6:30PM EDT by NWS Indianapolis IN
Urban PEI: 75,579 within a heuristic 50 km radius; not unique people.
Nearby, since 15 March 2026
- May 19, 2026 · score 43 · 18.4 km
- July 11, 2026 · score 39 · 20.0 km
- August 1, 2026 · score 43 · 21.6 km
How we know
2 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 39 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
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 39 / 100 |
| Legacy data-support index | 0.86/1 |
| Coordinates | 39.8325, -85.0306 |
| Nearest City | Richmond (12 km) |
| Urban exposure index (PEI) | 75.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-19T22:16:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.db023fda6e407a874a14a1e97958f269 |
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: noaa. Occurrence: 2026-05-19T22:16:00.000Z.
First archived: 2026-05-19T22:22:29.140Z. 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 | Jackson, IN; Wayne, IN; Darke, OH; Preble, OH; Bartholomew, IN; Decatur, IN; Shelby, IN and 2 more areas |
| Headline | Severe Thunderstorm Warning issued May 19 at 6:16PM EDT until May 19 at 6:30PM EDT by NWS Indianapolis IN |
| Expires | 2026-05-19T18:30:00-04:00 |
| SenderName | NWS Indianapolis IN |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.db023fda6e407a874a14a1e97958f26900ecd676.001.1","noaa_urn:oid:2.49.0.1.840.0.931ed9089fb648d2c58acd737dc10e4e4453e651.001.1","noaa_urn:oid:2.49.0.1.840.0.d555440da3525a4e4dadd1f45cefe4b9b42dbf55.001.1","noaa_urn:oid:2.49.0.1.840.0.65af4f510a4257086e38be40315296a67f4e7fde.002.1","noaa_urn:oid:2.49.0.1.840.0.06c70c7dfdaf814d6a24012c0ee475995a6cdc31.001.1"] |
| Iem TypeSummary | D |
| Iem City | 4 WNW Gaston |
| Iem County | Delaware |
| Iem State | IN |
| Iem Wfo | IND |
| Iem Remark | Reports of blown over semi on I69 at Mile Marker 249 Southbound Lanes. Time estimated from radar. |
| MergedSources | [{"id":"iem_D_40.340_-85.560_1779226380000","source":"iem","severity":"low","severityValue":25,"timestamp":1779226380000,"latitude":40.34,"longitude":-85.56}] |
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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