Calamity
MediumSevere WeatherCalamity Score: 16

Severe Weather in United States

DecaturUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 2 hours 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 30 May 2026 at 23:15 UTC. It is kept here as a record.

It is the 22nd strongest of the 51 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 22 May 2026. 3 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 30 at 5:48PM CDT until May 30 at 6:15PM CDT by NWS Goodland 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 16 out of 100, at 60 % 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
SeverityMedium
Calamity Score (ours)16 / 100
Our confidence60%
Coordinates39.6662, -100.5094
Nearest CityHays (134 km)
Impact Tierminor
Timestamp2026-05-30T22:48:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.484da9bf03714a37a9ede7ac2f359954

Score Breakdown

35
intensity
0
population
0
cascading
18
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescGraham, KS; Rush, KS; Barton, KS; Russell, KS and 6 more areas
HeadlineSevere Thunderstorm Warning issued May 30 at 5:48PM CDT until May 30 at 6:15PM CDT by NWS Goodland KS
Expires2026-05-30T18:15:00-05:00
SenderNameNWS Goodland KS
HasExactCoordstrue
MergedCount9
MergedIds["noaa_urn:oid:2.49.0.1.840.0.484da9bf03714a37a9ede7ac2f359954ebf7ba88.001.1","noaa_urn:oid:2.49.0.1.840.0.2753be191ce3c59389eea6ed9557e80012aca650.001.1","noaa_urn:oid:2.49.0.1.840.0.e0142c043a7aa5b6fa586ab06c367b5b630c675e.001.1","noaa_urn:oid:2.49.0.1.840.0.d2f33a67cac3807d140de3aa4f4114638fdd1ce8.002.1","noaa_urn:oid:2.49.0.1.840.0.55790f99c2bd331e0abab5f92eadf915731ddc96.001.1","noaa_urn:oid:2.49.0.1.840.0.fdf707d31e5e9e8085fb3c50c77b3f329a1469ad.001.1","noaa_urn:oid:2.49.0.1.840.0.14bf3c999e952867249ce49bb9965784aca414f9.002.1","noaa_urn:oid:2.49.0.1.840.0.e215b599592d57774a23149f377b4ead696adc32.001.1","noaa_urn:oid:2.49.0.1.840.0.ba406971563c4e3fff16916ed66f247ad352e465.001.1"]

Safety Information

Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.

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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