This alert expired on 12 August 2026 at 16:30 UTC. It is kept here as a record.
It is the 9th strongest of the 28 detections recorded within 20 km of this point since 13 April 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 12 at 10:51AM CDT until August 12 at 11:30AM CDT by NWS Northern Indiana
An estimated 61,505 people live within 50 km of this point.
Nearby, since 13 April 2026
- July 27, 2026 · score 43 · 11.3 km
- May 18, 2026 · score 43 · 22.7 km
- June 11, 2026 · score 41 · 24.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 80 % 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) | 39 / 100 |
| Our confidence | 80% |
| Coordinates | 41.0752, -87.0429 |
| Nearest City | Valparaiso (44 km) |
| Population Exposed | 61.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-12T15:51:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.edd15bc581fd8bc72bd617f0de05f241 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | La Porte, IN; Starke, IN; Jasper, IN; Lake, IN; Newton, IN; Porter, IN; Porter, IN and 2 more areas |
| Headline | Severe Thunderstorm Warning issued August 12 at 10:51AM CDT until August 12 at 11:30AM CDT by NWS Northern Indiana |
| Expires | 2026-08-12T11:30:00-05:00 |
| SenderName | NWS Northern Indiana |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.edd15bc581fd8bc72bd617f0de05f2418db6b2ec.001.1","noaa_urn:oid:2.49.0.1.840.0.f0882eff8cd3367043a315e7af2a4fc5a37deb73.001.1","noaa_urn:oid:2.49.0.1.840.0.eb8a07661e34fba3371c0676451d042f6c488cf0.001.1","noaa_urn:oid:2.49.0.1.840.0.5f6eef9de5422683567befac4807d9d5dcd3267b.001.1","noaa_urn:oid:2.49.0.1.840.0.1ab9a70aa89cd712872d754dcd8f4bf3a9bb5f70.001.1"] |
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 39/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.