This alert expired on 16 May 2026 at 21:47 UTC. It is kept here as a record.
It is the 13th strongest of the 96 detections recorded within 20 km of this point since 27 April 2026. Another comparable one was recorded here earlier the same day. 14 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 16 at 5:38PM EDT until May 16 at 5:45PM EDT by NWS Indianapolis IN
An estimated 18,012 people live within 50 km of this point.
Nearby, since 27 April 2026
- June 16, 2026 · score 22 · 6.9 km
- May 12, 2026 · score 34 · 15.4 km
- July 2, 2026 · score 22 · 19.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 78 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 78% |
| Coordinates | 38.7689, -88.0470 |
| Nearest City | Vincennes (46 km) |
| Population Exposed | 18.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-16T21:38:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.8aa9b640a834a7836828ae7991979ec7 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Daviess, IN; Greene, IN; Lawrence, IN; Martin, IN; Marion, IL; Clay, IL; Effingham, IL |
| Headline | Severe Thunderstorm Warning issued May 16 at 5:38PM EDT until May 16 at 5:45PM EDT by NWS Indianapolis IN |
| Expires | 2026-05-16T17:47:00-04:00 |
| SenderName | NWS Indianapolis IN |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8aa9b640a834a7836828ae7991979ec76129f076.001.1","noaa_urn:oid:2.49.0.1.840.0.fde92411516d2ef541556a9649ec95639aa62c6c.002.1","noaa_urn:oid:2.49.0.1.840.0.702e9d3c4b4d6f122974170d233b7fd20fdf830d.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 10 February 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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.