This alert expired on 10 August 2026 at 09:22 UTC. It is kept here as a record.
It is the 3rd strongest of the 34 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 10 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 10 at 5:13AM EDT until August 10 at 5:15AM EDT by NWS Indianapolis IN
An estimated 227,369 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 8, 2026 · score 43 · 10.7 km
- June 7, 2026 · score 43 · 10.7 km
- August 1, 2026 · score 43 · 12.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 81 % 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) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 40.0498, -86.8388 |
| Nearest City | Crawfordsville (3 km) |
| Population Exposed | 227.4K within 50 km |
| Impact Tier | significant |
| Date | 2026-08-10 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3029d1bf4225bc69b2f0a8f4f5ce365e |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Fountain, IN; Montgomery, IN; Boone, IN; Clinton, IN; Montgomery, IN |
| Headline | Severe Thunderstorm Warning issued August 10 at 5:13AM EDT until August 10 at 5:15AM EDT by NWS Indianapolis IN |
| Expires | 2026-08-10T05:22:00-04:00 |
| SenderName | NWS Indianapolis IN |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3029d1bf4225bc69b2f0a8f4f5ce365e44ac2c5d.001.1","noaa_urn:oid:2.49.0.1.840.0.53a656f2e4c41f3880383bac40d54197a0a4f563.001.1"] |
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.
Calamity.live data shows a weather event with CalamityScore 43/100, near Crawfordsville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.