This alert expired on 11 June 2026 at 20:19 UTC. It is kept here as a record.
It is the 25th strongest of the 52 detections recorded within 20 km of this point since 11 March 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 11 at 3:10PM CDT until June 11 at 3:15PM CDT by NWS Chicago IL
An estimated 589,293 people live within 50 km of this point.
Nearby, since 11 March 2026
- August 11, 2026 · score 48 · 9.8 km
- June 12, 2026 · score 72 · 11.5 km
- August 10, 2026 · score 48 · 12.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 41 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) | 41 / 100 |
| Our confidence | 80% |
| Coordinates | 41.2293, -87.2443 |
| Nearest City | Crown Point (24 km) |
| Population Exposed | 589.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-11T20:10:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.4e1ebf9cc319e91fd4353ba6b84d7cab |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lake, IN; Newton, IN; Jasper, IN; Porter, IN |
| Headline | Severe Thunderstorm Warning issued June 11 at 3:10PM CDT until June 11 at 3:15PM CDT by NWS Chicago IL |
| Expires | 2026-06-11T15:19:00-05:00 |
| SenderName | NWS Chicago IL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.4e1ebf9cc319e91fd4353ba6b84d7cabbae1df0a.001.1","noaa_urn:oid:2.49.0.1.840.0.402d85d33bee5c1f1aa318583577462fe8390f5e.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 41/100, near Crown Point (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.