Calamity
MediumSevere WeatherCalamity Score: 22

Severe Weather in United States

SumnerUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 9 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 07:30 UTC. It is kept here as a record.

It is the 23rd strongest of the 50 detections recorded within 20 km of this point since 23 April 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued June 2 at 1:41AM CDT until June 2 at 2:30AM CDT by NWS Norman OK

Nearby, since 23 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%
Coordinates37.0760, -97.5012
Nearest CityPonca City (55 km)
Impact Tierminor
Timestamp2026-06-02T06:41:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.a4835ddfc881e4a308b8ec90f4079c2f

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescAlfalfa, OK; Garfield, OK; Grant, OK; Kay, OK; Kingfisher, OK; Logan, OK; Major, OK; Noble, OK; Butler, KS; Cowley, KS; Sedgwick, KS; Sumner, KS; Harper, KS; Kingman, KS; Sedgwick, KS; Sumner, KS and 1 more areas
HeadlineSevere Thunderstorm Warning issued June 2 at 1:41AM CDT until June 2 at 2:30AM CDT by NWS Norman OK
Expires2026-06-02T02:30:00-05:00
SenderNameNWS Norman OK
HasExactCoordstrue
MergedCount4
MergedIds["noaa_urn:oid:2.49.0.1.840.0.a4835ddfc881e4a308b8ec90f4079c2f1295525f.001.1","noaa_urn:oid:2.49.0.1.840.0.d42362d09871a4968576fa6a00d55ae1ab14b50e.001.1","noaa_urn:oid:2.49.0.1.840.0.559a57cc0014b6647c1ced3ebaa666df0756da10.002.1","noaa_urn:oid:2.49.0.1.840.0.2c76ec43ea1f6d878103e6b9e62f5787f4b7cdf9.001.1"]

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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