Calamity
MediumSevere WeatherCalamity Score: 22

Severe Weather in United States

WeldUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 8 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 1 July 2026 at 01:30 UTC. It is kept here as a record.

It is the 8th strongest of the 30 detections recorded within 20 km of this point since 6 May 2026. The last comparable one was on 25 June 2026. 11 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued June 30 at 6:51PM MDT until June 30 at 7:30PM MDT by NWS Denver CO

Nearby, since 6 May 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 59 % 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 confidence59%
Coordinates40.5700, -103.7683
Nearest CityEvans (81 km)
Impact Tierminor
Timestamp2026-07-01T00:51:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1f0accea417232c4b3f8914fc935c83b26fad07a.001.1

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescLogan, CO; Morgan, CO; Weld, CO
HeadlineSevere Thunderstorm Warning issued June 30 at 6:51PM MDT until June 30 at 7:30PM MDT by NWS Denver CO
Expires2026-06-30T19:30:00-06:00
SenderNameNWS Denver CO
HasExactCoordstrue

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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