This alert expired on 19 May 2026 at 03:45 UTC. It is kept here as a record.
No stronger detection stands among the 49 recorded within 20 km of this point since 16 March 2026 — 3 others scored the same. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued May 18 at 10:36PM CDT until May 18 at 10:45PM CDT by NWS Kansas City/Pleasant Hill MO
Nearby, since 16 March 2026
- June 22, 2026 · score 22 · 13.1 km
- July 11, 2026 · score 22 · 15.5 km
- July 10, 2026 · score 22 · 15.5 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 65 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 65% |
| Coordinates | 39.5880, -93.4800 |
| Nearest City | Liberty (89 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-19T03:36:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.e2501f2dc541d12a4f3a6fc77b703fc532ea4d7d.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Carroll, MO; Livingston, MO |
| Headline | Tornado Warning issued May 18 at 10:36PM CDT until May 18 at 10:45PM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-05-18T22:45:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 70 |
| Iem Unit | MPH |
| Iem City | Gilman City |
| Iem County | Harrison |
| Iem State | MO |
| Iem Wfo | EAX |
| Iem Remark | EM relayed public report of 70 mph wind gust. |
| MergedSources | [{"id":"iem_G_40.140_-93.870_1779157440000","source":"iem","severity":"low","severityValue":25,"timestamp":1779157440000,"latitude":40.14,"longitude":-93.87}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 46/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.