Calamity
MediumSevere WeatherCalamity Score: 34

Severe Weather in United States

LatahUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 28 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 29 May 2026 at 02:15 UTC. It is kept here as a record.

No stronger detection stands among the 6 recorded within 20 km of this point since 28 May 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 28 at 7:45PM MDT until May 28 at 8:15PM MDT by NWS Missoula MT

An estimated 25,060 people live within 50 km of this point.

How we know

Confirmed by 2 independent sources, including NOAA.

Our own score for this event is 34 out of 100, at 84 % 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 confidence84%
Coordinates46.9560, -116.4487
Nearest CityMoscow (49 km)
Population Exposed25.1K within 50 km
Impact Tiersignificant
Timestamp2026-05-29T01:45:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.00d6fd1c116baed6e2bcfe22ccd96029

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescClearwater, ID; Benewah, ID; Latah, ID; Shoshone, ID; Benewah, ID; Latah, ID
HeadlineSevere Thunderstorm Warning issued May 28 at 7:45PM MDT until May 28 at 8:15PM MDT by NWS Missoula MT
Expires2026-05-28T20:15:00-06:00
SenderNameNWS Missoula MT
HasExactCoordstrue
MergedCount3
MergedIds["noaa_urn:oid:2.49.0.1.840.0.00d6fd1c116baed6e2bcfe22ccd960297f16427e.001.1","noaa_urn:oid:2.49.0.1.840.0.c515da5ce13103af6661c80d50aa79695324554f.001.1","noaa_urn:oid:2.49.0.1.840.0.693eeabbfef12909f82e3191a9bf2bd58a799c46.001.1"]
Iem TypeSummaryH
Iem Magnitude1
Iem UnitInch
Iem City3 SE Santa
Iem CountyBenewah
Iem StateID
Iem WfoOTX
MergedSources[{"id":"iem_H_47.120_-116.400_1780012140000","source":"iem","severity":"low","severityValue":25,"timestamp":1780012140000,"latitude":47.12,"longitude":-116.4}]

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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