Calamity
CriticalSevere WeatherCalamity Score: 46

Severe Weather in United States

PerkinsUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 3 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 31 May 2026 at 01:15 UTC. It is kept here as a record.

It is the strongest of the 22 detections recorded within 20 km of this point since 27 April 2026. The last comparable one was on 27 April 2026.

What the source measured

NOAA reported: Tornado Warning issued May 30 at 7:46PM CDT until May 30 at 8:15PM CDT by NWS North Platte NE

How we know

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

Our own score for this event is 46 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
SeverityCritical
Calamity Score (ours)46 / 100
Our confidence60%
Coordinates40.7270, -101.5140
Nearest CityNorth Platte (76 km)
Impact Tierminor
Timestamp2026-05-31T00:46:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.e664e80e385628b1f6c0847b7da0f221

Score Breakdown

95
intensity
0
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescLincoln, NE; Phillips, CO; Sedgwick, CO
HeadlineTornado Warning issued May 30 at 7:46PM CDT until May 30 at 8:15PM CDT by NWS North Platte NE
Expires2026-05-30T20:15:00-05:00
SenderNameNWS North Platte NE
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.e664e80e385628b1f6c0847b7da0f221baa953ff.001.1","noaa_urn:oid:2.49.0.1.840.0.f4a6dc03acad3c1a713e34e34308128a57f06d4d.001.1"]

Safety Information

If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.

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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