Right now
The most recent data we hold from NOAA arrived 3 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 28 May 2026 at 21:15 UTC. It is kept here as a record.
No stronger detection stands among the 7 recorded within 20 km of this point since 28 May 2026 — 6 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 28 at 1:36PM PDT until May 28 at 2:15PM PDT by NWS Boise ID
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 59 % 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 | 59% |
| Coordinates | 43.4135, -118.8200 |
| Nearest City | Caldwell (174 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-28T20:36:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.38da69de7caaac3391d87a637d4b6682 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Harney, OR; Malheur, OR; Harney, OR |
| Headline | Severe Thunderstorm Warning issued May 28 at 1:36PM PDT until May 28 at 2:15PM PDT by NWS Boise ID |
| Expires | 2026-05-28T14:15:00-07:00 |
| SenderName | NWS Boise ID |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.38da69de7caaac3391d87a637d4b6682d28ee528.001.1","noaa_urn:oid:2.49.0.1.840.0.eb562c48104f7f4a7b84e7516c732b96fc3b40c5.001.1","noaa_urn:oid:2.49.0.1.840.0.2cbcb966eac261c3ae81b71335ce28ee5d22cbcf.001.1","noaa_urn:oid:2.49.0.1.840.0.6c31fc29de774c78ea4ce9c17f05f6e2b4a07c1a.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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