Calamity
MediumSevere WeatherCalamity Score: 39

Severe Weather near Wisconsin Rapids

WoodUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 3 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 27 May 2026 at 23:45 UTC. It is kept here as a record.

It is the 10th strongest of the 74 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 27 at 6:04PM CDT until May 27 at 6:45PM CDT by NWS La Crosse WI

An estimated 63,121 people live within 50 km of this point.

Nearby, since 15 March 2026

How we know

Confirmed by 24 independent sources, including NOAA.

Our own score for this event is 39 out of 100, at 90 % 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)39 / 100
Our confidence90%
Coordinates44.4750, -90.0120
Nearest CityWisconsin Rapids (19 km)
Population Exposed63.1K within 50 km
Impact Tiersignificant
Timestamp2026-05-27T23:04:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.7cbfdc22f92fe71fe92c5d6b53adccbd

Score Breakdown

35
intensity
55
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescClark, WI; Portage, WI
HeadlineSevere Thunderstorm Warning issued May 27 at 6:04PM CDT until May 27 at 6:45PM CDT by NWS La Crosse WI
Expires2026-05-27T18:45:00-05:00
SenderNameNWS La Crosse WI
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.7cbfdc22f92fe71fe92c5d6b53adccbd7521a692.001.1","noaa_urn:oid:2.49.0.1.840.0.324a6a2f0e69ef5ad6ad51eb43228257d89c6568.001.1"]
Iem TypeSummaryH
Iem Magnitude1.75
Iem UnitInch
Iem City1 ESE Rib Mountain Stat
Iem CountyMarathon
Iem StateWI
Iem WfoGRB
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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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