This alert expired on 29 May 2026 at 05:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 5 detections recorded within 20 km of this point since 29 May 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 28 at 8:06PM PDT until May 28 at 10:00PM PDT by NWS Spokane WA
Nearby, since 29 May 2026
- May 29, 2026 · score 39 · 20.9 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 69 % 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
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 69% |
| Coordinates | 47.2163, -117.0283 |
| Nearest City | Opportunity (51 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-29T03:06:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.37503af36cde0344205fc085eeddc06a |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Spokane, WA; Whitman, WA; Benewah, ID |
| Headline | Flash Flood Warning issued May 28 at 8:06PM PDT until May 28 at 10:00PM PDT by NWS Spokane WA |
| Expires | 2026-05-28T22:00:00-07:00 |
| SenderName | NWS Spokane WA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.37503af36cde0344205fc085eeddc06aa55c8212.001.1","noaa_urn:oid:2.49.0.1.840.0.2b0a77f8ca7a4cf57ceb3c1c9390b6b795a9d4f0.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 3 SE Santa |
| Iem County | Benewah |
| Iem State | ID |
| Iem Wfo | OTX |
| MergedSources | [{"id":"iem_D_47.150_-116.950_1780023900000","source":"iem","severity":"low","severityValue":25,"timestamp":1780023900000,"latitude":47.15,"longitude":-116.95},{"id":"iem_H_47.120_-116.400_1780012140000","source":"iem","severity":"low","severityValue":25,"timestamp":1780012140000,"latitude":47.12,"longitude":-116.4}] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.