Calamity
HighSevere WeatherCalamity Score: 40

Severe Weather in United States

MorrisonUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 16 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 5 June 2026 at 18:45 UTC. It is kept here as a record.

It is the 23rd strongest of the 186 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 4 June 2026. 10 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Civil Emergency Message

An estimated 16,788 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 40 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
SeverityHigh
Calamity Score (ours)40 / 100
Our confidence81%
Coordinates46.0000, -94.3000
Nearest CitySartell (43 km)
Population Exposed16.8K within 50 km
Impact Tiersignificant
Date2026-06-05 — time not reported by the source
Sourcehttps://api.weather.gov/alerts/merged_Civil Emergency Message_noaa_OnSolve-77215a3370984f55b7495da68ff3aafd_noaa_OnSolve-8

Score Breakdown

50
intensity
40
population
0
cascading
80
historical

Technical Details

EventCivil Emergency Message
UrgencyImmediate
CertaintyObserved
AreaDescMN Chisago County Emergency Management
HeadlineCivil Emergency Message
Expires2026-06-05T14:45:16-04:00
SenderName201293,MN Chisago County Emergency Management,
HasExactCoordsfalse
MergedCount2
MergedIds["noaa_OnSolve-77215a3370984f55b7495da68ff3aafd","noaa_OnSolve-88d6804a08884bf5b3678b9b4a4957cc"]

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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