Calamity
mediumSevere weatherCalamity Score: 22

Severe weather in United States

SumnerUnited StatesNOAA

This alert expired on 4 June 2026 at 20:30 UTC. It is kept here as a record.

It is the 5th strongest of the 37 detections recorded within 20 km of this point since 17 April 2026. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued June 4 at 2:53PM CDT until June 4 at 3:30PM 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.

Event Data

TypeSevere weather
Severitymedium
Calamity Score (ours)22 / 100
Our confidence61%
Coordinates37.0100, -97.6905
Nearest CityPonca City (63 km)
Impact Tierminor
Timestamp2026-06-04T19:53:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3b313eaeb9368b984bb9a50c075d2f0f

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescSedgwick, KS; Sumner, KS; Alfalfa, OK; Garfield, OK; Grant, OK; Garfield, OK
HeadlineSevere Thunderstorm Warning issued June 4 at 2:53PM CDT until June 4 at 3:30PM CDT by NWS Wichita KS
Expires2026-06-04T15:30:00-05:00
SenderNameNWS Wichita KS
HasExactCoordstrue
MergedCount4
MergedIds["noaa_urn:oid:2.49.0.1.840.0.3b313eaeb9368b984bb9a50c075d2f0fd44f5f7c.001.1","noaa_urn:oid:2.49.0.1.840.0.3d71ac31e37adf335efdacc8eed0b5921a187777.001.1","noaa_urn:oid:2.49.0.1.840.0.abaa16212c6622cf15717356de12631119129ce6.001.1","noaa_urn:oid:2.49.0.1.840.0.5ee30a2b5d7d26877c6db0ca59a7f7b4a75e8b78.001.1"]

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 10 February 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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.