Right now
The most recent data we hold from NOAA arrived 13 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 22:15 UTC. It is kept here as a record.
No stronger detection stands among the 46 recorded within 20 km of this point since 10 April 2026 — 14 others scored the same. Another comparable one was recorded here earlier the same day. 21 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued May 18 at 4:53PM CDT until May 18 at 5:15PM CDT by NWS Topeka KS
Nearby, since 10 April 2026
- May 17, 2026 · score 46 · 18.5 km
- May 18, 2026 · score 46 · 20.1 km
- June 14, 2026 · score 16 · 20.6 km
How we know
Confirmed by 8 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 | 39.9190, -96.3840 |
| Nearest City | Manhattan (84 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-18T21:53:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.8d22c0a6b13dd37614c7b1c9048a30ef |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Clay, KS; Marshall, KS; Riley, KS; Washington, KS; Richardson, NE; Clay, KS and 4 more areas |
| Headline | Tornado Warning issued May 18 at 4:53PM CDT until May 18 at 5:15PM CDT by NWS Topeka KS |
| Expires | 2026-05-18T17:15:00-05:00 |
| SenderName | NWS Topeka KS |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8d22c0a6b13dd37614c7b1c9048a30efd6e65bdf.001.1","noaa_urn:oid:2.49.0.1.840.0.4fe47bf0f09968cda526d02e88cf481d1871f2d6.001.1","noaa_urn:oid:2.49.0.1.840.0.30de72950dabd3a60ebb234f9f02bd261f958e66.001.1","noaa_urn:oid:2.49.0.1.840.0.c99b41cf31249c675d815028fdbeabaf596ea7ad.001.1","noaa_urn:oid:2.49.0.1.840.0.36776fc66cf42a1083f91fd7b15035ab07009cf2.001.1","noaa_urn:oid:2.49.0.1.840.0.eeca16931f461ea7da101ce306064a15886c62d3.001.1","noaa_urn:oid:2.49.0.1.840.0.1f7019d7d4b333e1813597d68fee344a0b5daf6b.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_G_40.360_-96.390_1779137760000","source":"iem","severity":"low","severityValue":25,"timestamp":1779137760000,"latitude":40.36,"longitude":-96.39},{"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.
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