This alert expired on 18 May 2026 at 18:15 UTC. It is kept here as a record.
It is the 9th strongest of the 60 detections recorded within 20 km of this point since 26 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 1:54PM EDT until May 18 at 2:15PM EDT by NWS Indianapolis IN
An estimated 17,793 people live within 50 km of this point.
Nearby, since 26 March 2026
- August 11, 2026 · score 22 · 6.5 km
- June 16, 2026 · score 43 · 17.7 km
- June 16, 2026 · score 34 · 18.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 84 % 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) | 34 / 100 |
| Our confidence | 84% |
| Coordinates | 41.1480, -86.2162 |
| Nearest City | Logansport (46 km) |
| Population Exposed | 17.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-18T17:54:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.77a7368211ce85fa810a7f4b7e903c1d |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Owen, IN; Putnam, IN; Fulton, IN; Marshall, IN; Miami, IN; Marshall, IN; St. Joseph, IN and 5 more areas |
| Headline | Severe Thunderstorm Warning issued May 18 at 1:54PM EDT until May 18 at 2:15PM EDT by NWS Indianapolis IN |
| Expires | 2026-05-18T14:15:00-04:00 |
| SenderName | NWS Indianapolis IN |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.77a7368211ce85fa810a7f4b7e903c1da73b53f1.002.1","noaa_urn:oid:2.49.0.1.840.0.ab5dbfaf80fa9c55c99af84025ff8f76ddf22084.002.1","noaa_urn:oid:2.49.0.1.840.0.3f9a2aa007d76016936e9db7a1c0cac5d33fc2c6.001.1","noaa_urn:oid:2.49.0.1.840.0.80a512db243834b30eff3fa51b0958a86159a500.001.1","noaa_urn:oid:2.49.0.1.840.0.f91a4ccb42b1d8625f696e91fe1978ee07de7b32.001.1","noaa_urn:oid:2.49.0.1.840.0.35d6fe98da85ae2719264da4a03ea7b19f7cf392.001.1","noaa_urn:oid:2.49.0.1.840.0.6d391646e305da5e0b219c6f1bc604ecb00b81f2.001.1","noaa_urn:oid:2.49.0.1.840.0.c867a9423a9ea3ffc94072d7c61f8a36fcd30606.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 60 |
| Iem Unit | MPH |
| Iem City | 2 N Kouts |
| Iem County | Porter |
| Iem State | IN |
| Iem Wfo | LOT |
| Iem Remark | Private weather station 1.5 miles north of Kouts reported 60 mph gust. |
| MergedSources | [{"id":"iem_G_41.340_-87.020_1779122400000","source":"iem","severity":"low","severityValue":25,"timestamp":1779122400000,"latitude":41.34,"longitude":-87.02}] |
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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.