Calamity
MediumSevere WeatherCalamity Score: 34

Severe Weather in United States

StutsmanUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 2 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 12 August 2026 at 06:00 UTC. It is kept here as a record.

No stronger detection stands among the 15 recorded within 20 km of this point since 4 April 2026 — 8 others scored the same. The last comparable one was on 24 July 2026.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued August 12 at 12:34AM CDT until August 12 at 1:00AM CDT by NWS Bismarck ND

An estimated 15,422 people live within 50 km of this point.

How we know

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

Our own score for this event is 34 out of 100, at 79 % 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)34 / 100
Our confidence79%
Coordinates46.8067, -99.0833
Nearest CityJamestown (31 km)
Population Exposed15.4K within 50 km
Impact Tiersignificant
Timestamp2026-08-12T05:34:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.40e2e05469d6b6e3d3bd18d07a23459291fdad11.001.1

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescStutsman, ND
HeadlineSevere Thunderstorm Warning issued August 12 at 12:34AM CDT until August 12 at 1:00AM CDT by NWS Bismarck ND
Expires2026-08-12T01:00:00-05:00
SenderNameNWS Bismarck ND
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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