Calamity
MediumSevere WeatherCalamity Score: 43

Severe Weather near Green Bay

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 5 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 6 June 2026 at 02:00 UTC. It is kept here as a record.

No stronger detection stands among the 89 recorded within 20 km of this point since 15 March 2026 — 12 others scored the same. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued June 5 at 8:13PM CDT until June 5 at 9:00PM CDT by NWS Green Bay WI

An estimated 181,674 people live within 50 km of this point.

Nearby, since 15 March 2026

How we know

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

Our own score for this event is 43 out of 100, at 80 % 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)43 / 100
Our confidence80%
Coordinates44.6954, -87.9469
Nearest CityGreen Bay (20 km)
Population Exposed181.7K within 50 km
Impact Tiersignificant
Timestamp2026-06-06T01:13:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.0a92f223ef28cda497d332ed3acb92b22e7cd955.001.1

Score Breakdown

35
intensity
70
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescBrown, WI; Oconto, WI; Shawano, WI
HeadlineSevere Thunderstorm Warning issued June 5 at 8:13PM CDT until June 5 at 9:00PM CDT by NWS Green Bay WI
Expires2026-06-05T21:00:00-05:00
SenderNameNWS Green Bay WI
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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