Calamity
MediumSevere WeatherCalamity Score: 43

Severe Weather in United States

BonnerUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 72 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 04:00 UTC. It is kept here as a record.

It is one of only 2 we have recorded within 20 km of this point since 29 May 2026.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 28 at 8:23PM PDT until May 28 at 9:00PM PDT by NWS Spokane WA

An estimated 200,371 people live within 50 km of this point.

Nearby, since 29 May 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 79 % 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 confidence79%
Coordinates48.0220, -116.9548
Nearest CityPost Falls (34 km)
Population Exposed200.4K within 50 km
Impact Tiersignificant
Timestamp2026-05-29T03:23:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.e5eabd54a2bf764f76cdf1625fe93f7e

Score Breakdown

35
intensity
70
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescLincoln, WA; Spokane, WA; Stevens, WA; Bonner, ID
HeadlineSevere Thunderstorm Warning issued May 28 at 8:23PM PDT until May 28 at 9:00PM PDT by NWS Spokane WA
Expires2026-05-28T21:00:00-07:00
SenderNameNWS Spokane WA
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.e5eabd54a2bf764f76cdf1625fe93f7e308173fb.002.1","noaa_urn:oid:2.49.0.1.840.0.f89d8ae151fad36f3a0ddb2c56eabcb246dcb437.001.1"]

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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