Right now
The most recent data we hold from NOAA arrived 19 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 22:30 UTC. It is kept here as a record.
No stronger detection stands among the 48 recorded within 20 km of this point since 10 April 2026 — 13 others scored the same. Another comparable one was recorded here earlier the same day. 20 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued May 18 at 5:03PM CDT until May 18 at 5:30PM CDT by NWS Kansas City/Pleasant Hill MO
Nearby, since 10 April 2026
- May 18, 2026 · score 46 · 13.2 km
- May 17, 2026 · score 46 · 15.3 km
- June 5, 2026 · score 22 · 22.6 km
How we know
Confirmed by 7 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 69 % 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 | Critical |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 69% |
| Coordinates | 39.9053, -96.2839 |
| Nearest City | Manhattan (84 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-18T22:03:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.b898f39eebe813c01b2d8a7e95cc7452 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Atchison, MO; Richardson, NE; Clay, KS; Dickinson, KS and 2 more areas |
| Headline | Tornado Warning issued May 18 at 5:03PM CDT until May 18 at 5:30PM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-05-18T17:30:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b898f39eebe813c01b2d8a7e95cc74524a20fcf6.001.1","noaa_urn:oid:2.49.0.1.840.0.ea1f680f11f7a3111d8df1444e48d383d6c98333.001.1","noaa_urn:oid:2.49.0.1.840.0.b8eaba36a4d8ce128c3963a5887fdf64afaa8fb7.002.1","noaa_urn:oid:2.49.0.1.840.0.ba44a773395c1060a2c43c8592cef5122f604ae4.001.1","noaa_urn:oid:2.49.0.1.840.0.8d22c0a6b13dd37614c7b1c9048a30efd6e65bdf.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 81 |
| Iem Unit | MPH |
| Iem City | 3 ESE Lewiston |
| Iem County | Pawnee |
| Iem State | NE |
| Iem Wfo | OAX |
| Iem Remark | Caller reported an 81 mph wind gust measured from a personal weather station. Also reported 6 to 8 inch diameter tree limbs broken. |
| MergedSources | [{"id":"iem_H_40.210_-96.350_1779138660000","source":"iem","severity":"low","severityValue":25,"timestamp":1779138660000,"latitude":40.21,"longitude":-96.35},{"id":"iem_H_40.000_-96.350_1779138900000","source":"iem","severity":"low","severityValue":25,"timestamp":1779138900000,"latitude":40,"longitude":-96.35},{"id":"iem_G_40.410_-95.860_1779140040000","source":"iem","severity":"low","severityValue":25,"timestamp":1779140040000,"latitude":40.41,"longitude":-95.86},{"id":"iem_G_40.350_-96.050_1779138720000","source":"iem","severity":"low","severityValue":25,"timestamp":1779138720000,"latitude":40.35,"longitude":-96.05},{"id":"iem_T_40.050_-96.240_1779140700000","source":"iem","severity":"low","severityValue":25,"timestamp":1779140700000,"latitude":40.05,"longitude":-96.24},{"id":"iem_G_40.220_-96.350_1779137220000","source":"iem","severity":"low","severityValue":25,"timestamp":1779137220000,"latitude":40.22,"longitude":-96.35}] |
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 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 46/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.