Calamity
MediumSevere WeatherCalamity Score: 34

Severe Weather in United States

MarquetteUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 2 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 12 July 2026 at 21:30 UTC. It is kept here as a record.

No stronger detection stands among the 31 recorded within 20 km of this point since 15 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued July 12 at 5:04PM EDT until July 12 at 5:30PM EDT by NWS Marquette MI

An estimated 21,297 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 81 % 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 confidence81%
Coordinates46.1330, -87.5170
Nearest CityMarquette (46 km)
Population Exposed21.3K within 50 km
Impact Tiersignificant
Timestamp2026-07-12T21:04:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.0c064640828ffa3d38614f201c668cfb

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescDelta, MI; Marquette, MI; Menominee, MI; Dickinson, MI; Marquette, MI
HeadlineSevere Thunderstorm Warning issued July 12 at 5:04PM EDT until July 12 at 5:30PM EDT by NWS Marquette MI
Expires2026-07-12T17:30:00-04:00
SenderNameNWS Marquette MI
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.0c064640828ffa3d38614f201c668cfbd6f1115c.001.1","noaa_urn:oid:2.49.0.1.840.0.1342dbec8d7484b9b3834831239a3c679679f7ba.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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