This alert expired on 1 August 2026 at 22:45 UTC. It is kept here as a record.
No stronger detection stands among the 195 recorded within 20 km of this point since 12 March 2026 — 35 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 1 at 6:03PM EDT until August 1 at 6:45PM EDT by NWS Indianapolis IN
An estimated 1,167,721 people live within 50 km of this point.
Nearby, since 12 March 2026
- August 1, 2026 · score 52 · 6.5 km
- March 16, 2026 · score 43 · 11.0 km
- August 12, 2026 · score 52 · 12.4 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 85 % 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) | 52 / 100 |
| Our confidence | 85% |
| Coordinates | 39.6483, -85.6783 |
| Nearest City | Shelbyville (17 km) |
| Population Exposed | 1.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-01T22:03:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7eada9c7910ddfc5ac6d141e6605f2fa2b631353.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Hancock, IN; Rush, IN; Shelby, IN |
| Headline | Severe Thunderstorm Warning issued August 1 at 6:03PM EDT until August 1 at 6:45PM EDT by NWS Indianapolis IN |
| Expires | 2026-08-01T18:45:00-04:00 |
| SenderName | NWS Indianapolis IN |
| HasExactCoords | true |
| Iem TypeSummary | E |
| Iem City | 1 SW Shelbyville |
| Iem County | Shelby |
| Iem State | IN |
| Iem Wfo | IND |
| Iem Remark | Torrential rains...causing standing water with heavy currents and flow. Vehicles needing to change direction. |
| MergedSources | [{"id":"iem_E_39.510_-85.780_1785618660000","source":"iem","severity":"low","severityValue":25,"timestamp":1785618660000,"latitude":39.51,"longitude":-85.78}] |
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 near Shelbyville?
Calamity.live data shows a weather event with CalamityScore 52/100, near Shelbyville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.