Calamity
CriticalSevere WeatherCalamity Score: 46

Severe Weather in United States

CloudUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 3 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 20:00 UTC. It is kept here as a record.

No stronger detection stands among the 37 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. 13 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Tornado Warning issued May 18 at 2:28PM CDT until May 18 at 3:00PM CDT by NWS Topeka KS

Nearby, since 15 March 2026

How we know

Confirmed by 2 independent sources, including NOAA.

Our own score for this event is 46 out of 100, at 64 % 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 confidence64%
Coordinates39.5815, -97.4646
Nearest CityJunction City (82 km)
Impact Tierminor
Timestamp2026-05-18T19:28:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.b5298d0ec0b00e0117c5f84dba13a43b

Score Breakdown

95
intensity
0
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescWashington, KS; Gage, NE; Jefferson, NE; Ottawa, KS and 2 more areas
HeadlineTornado Warning issued May 18 at 2:28PM CDT until May 18 at 3:00PM CDT by NWS Topeka KS
Expires2026-05-18T15:00:00-05:00
SenderNameNWS Topeka KS
HasExactCoordstrue
MergedCount5
MergedIds["noaa_urn:oid:2.49.0.1.840.0.b5298d0ec0b00e0117c5f84dba13a43be3750b8b.001.1","noaa_urn:oid:2.49.0.1.840.0.f179647127cb5e44bf106ab143cf1c4ff532fdca.001.1","noaa_urn:oid:2.49.0.1.840.0.62412a39c492fe9739aa4716dbd93b45a353ee47.001.1","noaa_urn:oid:2.49.0.1.840.0.c7fda302a7e1cd8c15a30f429add0378ea65657d.001.1","noaa_urn:oid:2.49.0.1.840.0.89b7f1b2aae49cb46239ace4519d80520aae0e8b.001.1"]
Iem TypeSummaryH
Iem Magnitude1
Iem UnitInch
Iem City3 S Jamestown
Iem CountyCloud
Iem StateKS
Iem WfoTOP
MergedSources[{"id":"iem_H_39.550_-97.860_1779130260000","source":"iem","severity":"low","severityValue":25,"timestamp":1779130260000,"latitude":39.55,"longitude":-97.86}]

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.