This alert expired on 19 May 2026 at 03:15 UTC. It is kept here as a record.
No stronger detection stands among the 31 recorded within 20 km of this point since 15 March 2026 — 5 others scored the same. 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: Tornado Warning issued May 18 at 10:00PM CDT until May 18 at 10:15PM CDT by NWS Kansas City/Pleasant Hill MO
An estimated 1,004,819 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 14, 2026 · score 76 · 9.9 km
- June 14, 2026 · score 67 · 10.9 km
- July 16, 2026 · score 52 · 16.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 76 out of 100, at 86 % 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) | 76 / 100 |
| Our confidence | 86% |
| Coordinates | 39.0530, -94.0130 |
| Nearest City | Blue Springs (23 km) |
| Population Exposed | 1.0M within 50 km |
| Impact Tier | catastrophic |
| Timestamp | 2026-05-19T03:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.ee1896734d892ccb7aef05a841e2e70e |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cass, MO; Johnson, MO; Carroll, MO; Ray, MO |
| Headline | Tornado Warning issued May 18 at 10:00PM CDT until May 18 at 10:15PM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-05-18T22:15:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ee1896734d892ccb7aef05a841e2e70eb8ce37b9.001.1","noaa_urn:oid:2.49.0.1.840.0.85d53ef8fd20856a43e3fea05250eaf7cd8ed046.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 59 |
| Iem Unit | MPH |
| Iem City | 1 ESE Kansas City |
| Iem County | Jackson |
| Iem State | MO |
| Iem Wfo | EAX |
| Iem Remark | PWS measured 59 mph wind gust. |
| MergedSources | [{"id":"iem_G_39.100_-94.570_1779157800000","source":"iem","severity":"low","severityValue":25,"timestamp":1779157800000,"latitude":39.1,"longitude":-94.57}] |
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.
Calamity.live data shows a weather event with CalamityScore 76/100, near Blue Springs (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.