Calamity
MediumSevere WeatherCalamity Score: 16

Severe Weather in United States

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 13 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 11 June 2026 at 22:00 UTC. It is kept here as a record.

It is the 16th strongest of the 37 detections recorded within 20 km of this point since 16 April 2026. The last comparable one was on 10 June 2026. 3 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Special Marine Warning issued June 11 at 5:44PM EDT until June 11 at 6:00PM EDT by NWS Northern Indiana

Nearby, since 16 April 2026

How we know

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

Our own score for this event is 16 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
SeverityMedium
Calamity Score (ours)16 / 100
Our confidence60%
Coordinates42.2087, -86.5965
Nearest CityMichigan City (61 km)
Impact Tierminor
Timestamp2026-06-11T21:44:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.4f1c8f455c47855e2cea20bb4bdbad79

Score Breakdown

35
intensity
0
population
0
cascading
18
historical

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescNew Buffalo MI to St Joseph MI; Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.; St Joseph to South Haven MI; South Haven to Holland MI; Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake; Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake
HeadlineSpecial Marine Warning issued June 11 at 5:44PM EDT until June 11 at 6:00PM EDT by NWS Northern Indiana
Expires2026-06-11T18:00:00-04:00
SenderNameNWS Northern Indiana
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.4f1c8f455c47855e2cea20bb4bdbad79f00f22f0.001.1","noaa_urn:oid:2.49.0.1.840.0.b8c06758b267bcc7adf520cd72713241922d7936.001.1"]

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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Calamity.live data shows a weather event with CalamityScore 16/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.