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. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 28 at 8:33PM PDT until May 28 at 9:00PM PDT by NWS Spokane WA
An estimated 200,371 people live within 50 km of this point.
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.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 79% |
| Coordinates | 48.0376, -116.9810 |
| Nearest City | Post Falls (35 km) |
| Population Exposed | 200.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-29T03:33:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.0ecbff73b56225bb382db106a4dba51e |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lincoln, WA; Spokane, WA; Stevens, WA; Bonner, ID |
| Headline | Severe Thunderstorm Warning issued May 28 at 8:33PM PDT until May 28 at 9:00PM PDT by NWS Spokane WA |
| Expires | 2026-05-28T21:00:00-07:00 |
| SenderName | NWS Spokane WA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0ecbff73b56225bb382db106a4dba51e9a69c982.001.1","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 10 February 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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.