Right now
The most recent data we hold from NOAA arrived 6 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 23:00 UTC. It is kept here as a record.
It is one of only 2 we have recorded within 20 km of this point since 28 May 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 28 at 4:37PM MDT until May 28 at 5:00PM MDT by NWS Missoula MT
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 58 % 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 | 58% |
| Coordinates | 44.7575, -117.6701 |
| Nearest City | Pendleton (134 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-28T22:37:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.122c75b5e5e6a789d5a46747e89665dc |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Idaho, ID; Umatilla, OR; Washington, ID; Baker, OR and 2 more areas |
| Headline | Severe Thunderstorm Warning issued May 28 at 4:37PM MDT until May 28 at 5:00PM MDT by NWS Missoula MT |
| Expires | 2026-05-28T17:00:00-06:00 |
| SenderName | NWS Missoula MT |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.122c75b5e5e6a789d5a46747e89665dc589a4442.001.1","noaa_urn:oid:2.49.0.1.840.0.3cce82ecb94c1790281b1bc5be7be9371254dca9.001.1","noaa_urn:oid:2.49.0.1.840.0.93f56fae1374ccd44ebf2397a7ab7c0753a138d4.002.1","noaa_urn:oid:2.49.0.1.840.0.de3c88ae57831650be396f7f19ba7b54214dfe37.001.1","noaa_urn:oid:2.49.0.1.840.0.00b7684a0da1adabea5496b800e49d93dd85c124.001.1"] |
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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