Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 18 May 2026 at 17:33 UTC. It is kept here as a record.
It is the 7th strongest of the 67 detections recorded within 20 km of this point since 31 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 May 18 at 1:23PM EDT until May 18 at 1:30PM EDT by NWS Northern Indiana
An estimated 235,778 people live within 50 km of this point.
Nearby, since 31 March 2026
- July 18, 2026 · score 37 · 6.7 km
- May 18, 2026 · score 43 · 8.3 km
- August 10, 2026 · score 43 · 9.6 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 90 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 41.3494, -86.5419 |
| Nearest City | La Porte (32 km) |
| Population Exposed | 235.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-18T17:23:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.9f076e9a62cc35ecfbd82f2fec126d3a |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | La Porte, IN; Berrien, MI; Pulaski, IN; Starke, IN; Cass, IN; Fulton, IN; Marshall, IN; Miami, IN and 4 more areas |
| Headline | Severe Thunderstorm Warning issued May 18 at 1:23PM EDT until May 18 at 1:30PM EDT by NWS Northern Indiana |
| Expires | 2026-05-18T13:33:00-04:00 |
| SenderName | NWS Northern Indiana |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9f076e9a62cc35ecfbd82f2fec126d3a0e5c02d6.001.1","noaa_urn:oid:2.49.0.1.840.0.bef1492e691a3afddf9106326cc4a09900b97ace.001.1","noaa_urn:oid:2.49.0.1.840.0.a23f9a407111d2ce6293e04441508f55e4f10f72.001.1","noaa_urn:oid:2.49.0.1.840.0.e2ee9efcac813f6ca256db54a9f2b22eef836475.001.1","noaa_urn:oid:2.49.0.1.840.0.5be4c51ab9afc95f0ea55eed6229632f373215a5.002.1","noaa_urn:oid:2.49.0.1.840.0.21f4014fbb346fb4b9d0f98a98e8d18032f47976.001.1","noaa_urn:oid:2.49.0.1.840.0.b8f0ce6358a21cdbd619be06cc8444f268de345d.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 62 |
| Iem Unit | MPH |
| Iem City | 4 NE Beverly Shores |
| Iem County | LMZ745 |
| Iem State | IN |
| Iem Wfo | LOT |
| Iem Remark | Michigan City CMAN station reported 54 kt gust. |
| MergedSources | [{"id":"iem_M_41.520_-87.250_1779121260000","source":"iem","severity":"low","severityValue":25,"timestamp":1779121260000,"latitude":41.52,"longitude":-87.25},{"id":"iem_G_41.340_-87.020_1779122400000","source":"iem","severity":"low","severityValue":25,"timestamp":1779122400000,"latitude":41.34,"longitude":-87.02},{"id":"iem_M_41.730_-86.930_1779122640000","source":"iem","severity":"low","severityValue":25,"timestamp":1779122640000,"latitude":41.73,"longitude":-86.93}] |
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 8 March 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 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.