Calamity
MediumSevere WeatherCalamity Score: 22

Severe Weather in United States

CloudUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 4 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 31 May 2026 at 02:30 UTC. It is kept here as a record.

It is the 8th strongest of the 20 detections recorded within 20 km of this point since 25 April 2026. The last comparable one was on 29 May 2026. 7 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 30 at 8:51PM CDT until May 30 at 9:30PM CDT by NWS Hastings NE

Nearby, since 25 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 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)22 / 100
Our confidence60%
Coordinates39.3267, -97.6947
Nearest CitySalina (55 km)
Impact Tierminor
Timestamp2026-05-31T01:51:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.901728e702d693203af56d1861054604

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescThayer, NE; Adams, NE; Clay, NE; Hall, NE; Hamilton, NE; Pottawatomie, KS and 4 more areas
HeadlineSevere Thunderstorm Warning issued May 30 at 8:51PM CDT until May 30 at 9:30PM CDT by NWS Hastings NE
Expires2026-05-30T21:30:00-05:00
SenderNameNWS Hastings NE
HasExactCoordstrue
MergedCount7
MergedIds["noaa_urn:oid:2.49.0.1.840.0.901728e702d693203af56d186105460457dde6ec.001.1","noaa_urn:oid:2.49.0.1.840.0.0107f66bbf5019dd5472e33a3b1aa84b7ddc809a.002.1","noaa_urn:oid:2.49.0.1.840.0.cf60f66d9348d8f7ba104850be029f6ab8d66bec.001.1","noaa_urn:oid:2.49.0.1.840.0.90654f1bf144051af411138a90bb833b3d7100e3.001.1","noaa_urn:oid:2.49.0.1.840.0.6ac4a203422779478e5b076f332877cd133c3a59.001.1","noaa_urn:oid:2.49.0.1.840.0.8809f6edab5365422af225efca84f18831042aa6.001.1","noaa_urn:oid:2.49.0.1.840.0.6ee72b7e5fae66cac9c3779b2e8fb257096ad3eb.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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