Calamity
CriticalSevere WeatherCalamity Score: 46

Severe Weather in United States

WashingtonUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 4 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 20:45 UTC. It is kept here as a record.

No stronger detection stands among the 54 recorded within 20 km of this point since 15 March 2026 — 9 others scored the same. Another comparable one was recorded here earlier the same day. 14 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Tornado Warning issued May 18 at 3:18PM CDT until May 18 at 3:45PM CDT by NWS Topeka KS

Nearby, since 15 March 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 46 out of 100, at 59 % 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

TypeSevere Weather
SeverityCritical
Calamity Score (ours)46 / 100
Our confidence59%
Coordinates39.9030, -96.9653
Nearest CityManhattan (87 km)
Impact Tierminor
Timestamp2026-05-18T20:18:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.fc107e009a19d151f0646be944260042

Score Breakdown

95
intensity
0
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescWashington, KS; Gage, NE; Jefferson, NE; Gage, NE and 1 more areas
HeadlineTornado Warning issued May 18 at 3:18PM CDT until May 18 at 3:45PM CDT by NWS Topeka KS
Expires2026-05-18T15:45:00-05:00
SenderNameNWS Topeka KS
HasExactCoordstrue
MergedCount4
MergedIds["noaa_urn:oid:2.49.0.1.840.0.fc107e009a19d151f0646be9442600429093558a.001.1","noaa_urn:oid:2.49.0.1.840.0.998da433c37eea166e9f3f2c8ab856610cd5b01d.001.1","noaa_urn:oid:2.49.0.1.840.0.58c00b36fff2c979374e7f488438ec07e2fafe2f.001.1","noaa_urn:oid:2.49.0.1.840.0.f70b0762a921641d61f406de2b5be4f52f67652d.001.1"]

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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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.