This alert expired on 18 May 2026 at 19:30 UTC. It is kept here as a record.
It is the 20th strongest of the 59 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 18 at 2:21PM EDT until May 18 at 3:30PM EDT by NWS Grand Rapids MI
An estimated 85,331 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 9, 2026 · score 43 · 9.4 km
- August 27, 2026 · score 49 · 11.3 km
- March 16, 2026 · score 63 · 13.5 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 84 % 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) | 39 / 100 |
| Our confidence | 84% |
| Coordinates | 41.3181, -85.7502 |
| Nearest City | Goshen (30 km) |
| Population Exposed | 85.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-18T18:21:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.fd74b1057f9945de6f809d0522d4dba3 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Allegan, MI; Barry, MI; Calhoun, MI; Kalamazoo, MI; Kent, MI; Ottawa, MI; Kosciusko, IN; Wabash, IN; Boone, IN; Hamilton, IN; Hendricks, IN; Johnson, IN; Marion, IN; Morgan, IN and 5 more areas |
| Headline | Severe Thunderstorm Warning issued May 18 at 2:21PM EDT until May 18 at 3:30PM EDT by NWS Grand Rapids MI |
| Expires | 2026-05-18T15:30:00-04:00 |
| SenderName | NWS Grand Rapids MI |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.fd74b1057f9945de6f809d0522d4dba33e9bd0a1.001.1","noaa_urn:oid:2.49.0.1.840.0.9d4d0e0c5a9db4fb118ddaeebe76beea2d4242e4.001.1","noaa_urn:oid:2.49.0.1.840.0.f62b6c29588e8651c59eb5839b9af4e4f0b7978e.002.1","noaa_urn:oid:2.49.0.1.840.0.6f0acb5bd5f97056df70b092b83a978ad3163ed7.001.1","noaa_urn:oid:2.49.0.1.840.0.bc66963d184deebc3c9c66ba0cddfb4a61a905b3.001.1","noaa_urn:oid:2.49.0.1.840.0.31d4e6b7494c67810af499bcf7e337b762a416f9.002.1","noaa_urn:oid:2.49.0.1.840.0.1623e439651efb9082215ffc813857e2fc561b43.001.1","noaa_urn:oid:2.49.0.1.840.0.eccb90d0191906aee699eda6ae8fa8bf6be4fa6e.001.1"] |
| Iem TypeSummary | D |
| Iem City | 1 N South Bend |
| Iem County | St. Joseph |
| Iem State | IN |
| Iem Wfo | IWX |
| Iem Remark | Media report of a large tree downed onto a vehicle by a thunderstorm wind gust near intersection of Humboldt Street and Cleveland Avenue in South Bend, in St. Joseph County Indiana. |
| MergedSources | [{"id":"iem_D_41.690_-86.270_1779125460000","source":"iem","severity":"low","severityValue":25,"timestamp":1779125460000,"latitude":41.69,"longitude":-86.27}] |
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 near Goshen?
Calamity.live data shows a weather event with CalamityScore 39/100, near Goshen (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.