Calamity
MediumSevere WeatherCalamity Score: 22

Severe Weather in United States

SumnerUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 32 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 2 June 2026 at 07:15 UTC. It is kept here as a record.

It is the 8th strongest of the 41 detections recorded within 20 km of this point since 17 April 2026. The last comparable one was on 19 May 2026.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued June 2 at 1:12AM CDT until June 2 at 2:15AM CDT by NWS Wichita KS

Nearby, since 17 April 2026

How we know

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

Our own score for this event is 22 out of 100, at 61 % 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)22 / 100
Our confidence61%
Coordinates37.2252, -97.7048
Nearest CityDerby (53 km)
Impact Tierminor
Timestamp2026-06-02T06:12:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.47f452def212ed9abaffcda352d29384

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescButler, KS; Cowley, KS; Sedgwick, KS; Sumner, KS; Harper, KS; Kingman, KS; Reno, KS; Sedgwick, KS; Sumner, KS; Alfalfa, OK; Garfield, OK; Grant, OK; Kay, OK; Major, OK; Noble, OK
HeadlineSevere Thunderstorm Warning issued June 2 at 1:12AM CDT until June 2 at 2:15AM CDT by NWS Wichita KS
Expires2026-06-02T02:15:00-05:00
SenderNameNWS Wichita KS
HasExactCoordstrue
MergedCount3
MergedIds["noaa_urn:oid:2.49.0.1.840.0.47f452def212ed9abaffcda352d29384d2c5a95f.001.1","noaa_urn:oid:2.49.0.1.840.0.c24df2a1b0f66211854d8ce5c9cc901228183c72.001.1","noaa_urn:oid:2.49.0.1.840.0.1cbd8ffcdfb804256ad03986cd96bfbb5eeadb6d.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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