Calamity
CriticalSevere WeatherCalamity Score: 46

Severe Weather in United States

WashingtonUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 68 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 00:15 UTC. It is kept here as a record.

No stronger detection stands among the 41 recorded within 20 km of this point since 18 April 2026 — 4 others scored the same. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Tornado Warning issued June 1 at 5:28PM MDT until June 1 at 6:15PM MDT by NWS Denver CO

Nearby, since 18 April 2026

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%
Coordinates40.0420, -102.9040
Nearest CityEvans (156 km)
Impact Tierminor
Timestamp2026-06-01T23:28:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c205953011e07a0324b27f4e16ae14755c4faa1f.001.1

Score Breakdown

95
intensity
0
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescWashington, CO
HeadlineTornado Warning issued June 1 at 5:28PM MDT until June 1 at 6:15PM MDT by NWS Denver CO
Expires2026-06-01T18:15:00-06:00
SenderNameNWS Denver CO
HasExactCoordstrue

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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